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Change BIOS MODE from Legacy to UEFI and secure boot state t...

Question: Change BIOS MODE from Legacy to UEFI and secure boot state t...

How to Change BIOS MODE from Legacy to UEFI and secure boot state to 'ON' from 'unsupported' in DV6T-6c00 . Can we change BIOS version from 2.1 to higher version. 3. Can we change Hyper V virtualization enabled in windows 10. ORiginally the pavillion came with 7 home edition.

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Preferred Solution: Change BIOS MODE from Legacy to UEFI and secure boot state t...

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I purchased a IdeaPad Z580 laptop, with Windows 8.  The current BIOS mode is UEFI, with Secure Boot State = On.  I am trying to setup a dual boot with Linux Ubuntu or Mint?  Is this possible?  Thank you.

Answer:Ideapad Z580 - turn off Secure Boot State, or change to legacy bios and turn off UEFI?

Yes, I have the same question. Can someone help?Many Thanks in advance.

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I know how to change my options from UEFI to legacy but the legacy option isnt coming up. Someone please help me as i need to reboot my laptop.

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At any point in the future, is a new BIOS/UEFI firmware going to be released that unlocks the selection for "UEFI" on the boot mode? I have an operating system/bootloader that would be better served with the ability to switch to a legacy BIOS style mode as opposed to being locked into UEFI only. Consider this a formal request as well, to include a legacy boot mode in a future release. I know there's quite a few of us who would consider this a very useful change.

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We are pushing a new image this summer but we need to make boot and file system changes, my boss wants me to automate this process. the goals are to desable legacy in bios, enable UEFI, select PXE,  change UeFI boot order (usb,cd, NIC, Hd) using the Bios configuration tool at command line. I have the config.ini file from the bios. can I make all those changes at once or do I have to reboot in between enable UEFI and changeing the boot order The why: we are moving from MBR to GPT with the new image Win10, and we save time on the boot by disabling legacy. The boss says so. (the short answer) any tips or suggestions welcome.

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We are pushing a new image this summer but we need to make boot and file system changes, my boss wants me to automate this process. the goals are to desable legacy in bios, enable UEFI, select PXE,  change UeFI boot order (usb,cd, NIC, Hd) using the Bios configuration tool at command line. I have the config.ini file from the bios. can I make all those changes at once or do I have to reboot in between enable UEFI and changeing the boot order The why: we are moving from MBR to GPT with the new image Win10, and we save time on the boot by disabling legacy. The boss says so. (the short answer) any tips or suggestions welcome.

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Due to the issue with Windows 7 being too dark on the Ideapad S400 (backlight issue), I decided to roll back to windows 8. To install Windows 7 from our deployment server I changed the BIOS to Legacy Support., but then to install Windows 8 I changed the BIOS back to UEFI but now under FI (Boot) only the network card is listed and not the hard-drive. If I roll back to BIOS to legacy then the hard-drive is listed as a boot device. Sound like a bug. I really got the feeling that the BIOS of the Ideapad S400 is a beta. Will Lenovo issue a BIOS update in the near future? This is the worse laptop I've even seen so far!  













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Answer:hard-drive not listed in BIOS after changing boot mode from Legacy to UEFI.

hi bthjf1,
 
AFAIK, to see the HDD under UEFI boot on the BIOS, you must install Windows 8 in UEFI (HDD being formatted as GPT).
 
Try to:
1. Install Windows 8 in UEFI as stated in this guide.
2. Boot into the BIOS, press F9 to reset BIOS to default then check if HDD is now listed under EFI boot
 
 
Hope this helps

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I had to buy a new (SSD) HD and had trouble booting from a disc until I enabled Legacy Mode and disabled Secure Boot in BIOS. Boot orders in both UEFI and Legacy are the same, with DVD Rom set to boot first. Also, the settings for IPV4 and IPV6 are set to IPV4 (Legacy) when they were once set to BOTH IPV4 AND 6 and are unable to be changed, if that's important. Now whenever I boot up I always get a "No Boot Device Found" message until I hit "Enter" at which point i'm allowed entry into my precious Win10 laptop.  I disabled Legacy in BIOS, but then i get a different "No Boot Device Found" error, and hitting "Enter" doesn't help. Could some kind person tell me how to correct this, and possibly why it happened and the differences in each option? I'll settle for how to correct this, though, with much gratitude.  MUCH gratitude. GN

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The problem started when i changed to legacy mode when windows installation started giving me trouble.What i think would fix the problem is to either change back to UEFI mode from windows, or to get in the BIOS menu somehow..Does anyone know how to do either of those things? any other ideas are more than welcome

Answer:z580 can't access bios setup or boot menu after changing to Legacy from UEFI mode

Anyone? u_uI was under the impression this community contained some Lenovo experts..

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Hi all, I've been a long-time reader of this forum, but this is my first message. I bought last year a T420 from eBay and promptly installed Ubuntu on the HDD. Last week I bought a Samsung mSATA SSD to reinstall Ubuntu on it and use the HDD as data disk. I took the opportunity to test UEFI and enabled UEFI in the BIOS. The installation was successful but when I plugged it to the dock station I lost the USB connectivity (no USB keyboard or wireless mouse), so I decided to revert UEFI to "legacy" and reinstall it. To my surprise, once I reverted to "legacy" boot I lost the ability to boot from any of the possibilities: the original HDD or even the Ubuntu DVD install media. I've played with all the BIOS options, going back to UEFI boot, and it doesn't even detect now my installation on the SSD  I went yesterday to an official Lenovo shop and they told me it was a software issue and that reverting back to BIOS should be enough, so I downloaded the "BIOS Update Bootable CD" from: http://support.lenovo.com/us/en/downloads/migr-77076 but it doesn't boot either, so I'm really stuck and any help would be greatly appreciated!  Thanks in advance.Pablo

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I had to go into the BIOS and change the type from Secure Boot / UEFI to Legacy Boot in order to get the firmware program for my SSD to run from a removable USB drive. No big deal, I figured after the firmware is updated, I'll go in to change it back to Secure / UEFI, right?  Wrong.
So, hours later now, I cannot enter the BIOS at all. During the POST screen, I see the "Press F2 for Setup / F12 for Boot Options" and I even notice that the "F2 for Setup" become highlighted/selected after holding the F2 key down. But, instead of going into the BIOS, it goes to a DOS menu in which you can either select the OS or Windows Memory Diagnostic.  
I ended up doing a clean install of Win 10, and disabled fast boot. That didn't help. Then I thought installing Win 7 would fix it. Nope. Same deal; can't get into BIOS.  I did some googling and found one suggestion to press Alt+F2 and all combinations thereof including F8, ESC, DEL etc - no luck.  Another suggestion I tried was removing the CMOS battery / unplugging the SSD / laptop battery in order to force it to a hold POST screen.  What happened then after pressing F2 was lots of beeping and a Boot from PXE menu came up (Bizarre).
Any other suggestions?  I can use Windows but Win 10 doesn't have full functionality without UEFI / Secure Boot enabled. And I'd hate not being able to access the BIOS or boot menu forever.  I hope some Dell expert can help me get in to th... Read more

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I had to go into the BIOS and change the type from Secure Boot / UEFI to Legacy Boot in order to get the firmware program for my SSD to run from a removable USB drive. No big deal, I figured after the firmware is updated, I'll go in to change it back to Secure / UEFI, right?  Wrong.
So, hours later now, I cannot enter the BIOS at all. During the POST screen, I see the "Press F2 for Setup / F12 for Boot Options" and I even notice that the "F2 for Setup" become highlighted/selected after holding the F2 key down. But, instead of going into the BIOS, it goes to a DOS menu in which you can either select the OS or Windows Memory Diagnostic.  
I ended up doing a clean install of Win 10, and disabled fast boot. That didn't help. Then I thought installing Win 7 would fix it. Nope. Same deal; can't get into BIOS.  I did some googling and found one suggestion to press Alt+F2 and all combinations thereof including F8, ESC, DEL etc - no luck.  Another suggestion I tried was removing the CMOS battery / unplugging the SSD / laptop battery in order to force it to a hold POST screen.  What happened then after pressing F2 was lots of beeping and a Boot from PXE menu came up (Bizarre).
Any other suggestions?  I can use Windows but Win 10 doesn't have full functionality without UEFI / Secure Boot enabled. And I'd hate not being able to access the BIOS or boot menu forever.  I hope some Dell expert can help me get in to th... Read more

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How do I go from UEFI to legacy BIOS in a B50-70?The deafult is UEFI I presume.

Answer:How to change from UEFI and legacy BIOS? B50

Hi there, Lenovoman -
 
Thank you for writing in to the Lenovo Forum - happy to have you here today
 
Here?s how:
 
Step 1: Turn on or reboot your Lenovo laptop, hold down F2 shortcut until you see the BIOS screen.  Use arrow keys to highlight Boot tap.
 
Step 2: Highlight Boot Mode, press Enter, swap from "UEFI" to "Legacy Support".
 

 
Step 3: Press Fn+F10 keyboard shortcut, choose Yes, and press Enter to save the boot settings.
 
Update us how it goes.
 
 
 
 
Regards,
 
Tap that kudos button if I helped  If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"!

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Hi,I have PACKARD BELL IMEDIA S2883 with preinstalled Windows 8.1. BIOS is UEFI and i can't fint option to change it to Legacy BIOS. In UEFI it's won't detect legacy boot devices even with Secure boot option disabled and Legacy USB enabled. Is there any way to use standart Legacy BIOS? Any help will be appreciated!











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Answer:How to change from UEFI to Legacy BIOS?

Hi ANONIMNIQ,
 
Could you tell me what your current BIOS version is? Also, could you send me a private message with your Serial Number? I'll see what I can track down for you.
Cory

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Hi,I have PACKARD BELL IMEDIA S2883 with preinstalled Windows 8.1. BIOS is UEFI and i can't fint option to change it to Legacy BIOS. In UEFI it's won't detect legacy boot devices even with Secure boot option disabled and Legacy USB enabled. Is there any way to use standart Legacy BIOS? Any help will be appreciated!










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Answer:How to change from UEFI to Legacy BIOS?

Hi ANONIMNIQ,
 
Could you tell me what your current BIOS version is? Also, could you send me a private message with your Serial Number? I'll see what I can track down for you.
Cory

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I have a Thinkpad T430u and I am unable to get a bootable USB flash drive to boot. I have made the bootable drive in PowerISO, I have used Window's tool, and I have also tried the following (suggested on these forums): "Create another flash drive with a single FAT32 partition using DISKPART in a command windows:  list disk, select disk, clean, create partition primary, format fs=fat32 quick, assign. " But that didn't work either. Nothing I have done has allowed me to boot to the USB flash drive. The flash drive isn't the problem, because I can boot to it on my other computers. I have turned UEFI/legacy boot to both, as well as to Legacy only, and that doesn't help. I have turned off secure boot, and that didn't help either. I have searched a lot and tried everything out there.. but nothing works. I even bought a USB DVD drive to test and see if I could boot to a burned DVD and that didn't work either. I am able to reach the BIOS settings as well as the boot device menu, but the only options available are ATA HDD and PIC Lan boot.. the flash drive never shows up as an option. I have moved USB HDD and USB FDD to the top of the boot order in bios but that doesn't help either. Any suggestions? BTW I have tried Windows 7 and 8 ISOs, as well as a Linux distrubtion and various bootable partition utilities.. I even tried Lenovo's own UEFI diagnostic created with Lenovo's bootable USB generator.. nothing will boot.

Answer:Thinkpad T430u can't boot to USB or DVD.. It's not UEFI/Legacy or Secure boot

Had the same issue. Tried on another T430u, and did the same. Defaulted Bios and checked that secure boot was desabled. It booted from the USB drive straight away.

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I need to know if it is possible on this machine to change bios to UEFI and secure boot.  If so, some instructions on how to do it would be appreciated.
OS Name Microsoft Windows 10 ProVersion 10.0.15063 Build 15063Other OS Description  Not AvailableOS Manufacturer Microsoft CorporationSystem Name DENSystem Manufacturer Dell Inc.System Model Inspiron 620System Type x64-based PCSystem SKU To be filled by O.E.M.Processor Intel(R) Core(TM) i5-2310 CPU @ 2.90GHz, 2901 Mhz, 4 Core(s), 4 Logical Processor(s)BIOS Version/Date Dell Inc. A04, 11/21/2011SMBIOS Version 2.6Embedded Controller Version 255.255BIOS Mode LegacyBaseBoard Manufacturer Dell Inc.BaseBoard Model Not AvailableBaseBoard Name Base BoardPlatform Role WorkstationSecure Boot State UnsupportedPCR7 Configuration Binding Not PossibleWindows Directory C:\WINDOWSSystem Directory C:\WINDOWS\system32Boot Device \Device\HarddiskVolume2Locale United StatesHardware Abstraction Layer Version = "10.0.15063.502"User Name DEN\Rusty EdwardsTime Zone Mountain Daylight TimeInstalled Physical Memory (RAM) 8.00 GBTotal Physical Memory 7.98 GBAvailable Physical Memory 4.42 GBTotal Virtual Memory 16.0 GBAvailable Virtual Memory 11.2 GBPage File Space 8.00 GBPage File C:\pagefile.sysDevice Encryption Support Reasons for failed automatic device encryption... Read more

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I have hp pavilion p045tx with windows 10 pro. I recently install Ubuntu with windows 10 so for that I convert my bios setting from UEFI to Legacy mode for install third party software like wireless Driver and all in Ubuntu. But after every restart the bios setting change to default and that is to UEFI mode and that will cause an problem of no OS detect. Every time I have to go to bios setting and enable the legacy mode to start my OS. Can anyone suggest me what to do in this case. 

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While trying to fix a boot error (0xc0000034) on my laptop I accidentally changed my computer's BIOS from UEFI to Legacy, is there a way to change it back?
The computer is clean so it doesn't matter if it's a method that causes loss of data. I have a bootable USB with windows 10 (maybe 8) on it. At some point I got into the menu for this, but must of the times I just get straight to the BIOS. And when I got to the menu for installing windows, I got the error message "windows cannot be installed on this disk. The selected disk is of the GPT partition style." so I couldn't get past from there anyway
The computer is an MSI GE70 2QE
I can't find a way here to post photos from my iphone (and can't use the computer), but here is what it says on the startup screen of the BIOS. The only options I have from here is either "Delete RAID volume" or "Reset Disks to Non-RAID" (none of which I know what it means)
Physical devices:
ID. Device model. TYPE/STATUS(Vol Id)
0. PLEXTOR PX-256M6. Member Disk (0)
1. PLEXTOR PX-256M6. Error Occurred (0)
4. HGST HTS721010A9. Non-RAID Disk
I know I fucked up and should have done more research before tweaking with this, but the damage is done so I greatly appreciate any help

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Hi, I bought 4 Acer Aspire XC 703 (P/N: DT.SWZEB.001) and there isn't option to change UEFI to Legacy BIOS. Bios version is P11-B1 (06/16/2014) but there isn't update at support web. can you help me? thank you

Answer:How to change BIOS from UEFI to Legacy in Acer Asp...

Hi jalipeix,
 
Check out this FAQ and let me know if this helps you.
 
http://acer.custhelp.com/app/answers/detail/a_id/27072
 
Cory

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Dear Team,I bought a Yoga 720 ? 15IKB (80X7003VUS) with: .- BIOS InsydeH20 Rev. 5.0.- BIOS version 4MCN15WW (v.1.01) I?ve tried to find the way to change the boot mode from UEFI to LEGACY, but I couldn?t find it.I disabled the Secure Boot, the OS optimized defaults, loaded the defaults setting, but after hours trying any combination, I wasn?t able to make the computer let me change the UEFI Boot mode. It?s a kind of ?fixed option?.Perhaps do I have to change from RAID to AHCI and afterwards move on with a system clear install?Thanks in advance.

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How do you overide BIOS mode (Legacy to UEFI) And how can you tell which one you are in? Thanks in advance, Chef_D

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How to change from legacy mode to UEFI mode in ACER ICONIA W700?As I change to  legacy mode accidently in bios

Answer:How to change from legacy mode to UEFI mode in ACE...

windows logo button + power to enter BIOS from power offleave both buttons after 1 secondonce in BIOStap on BOOTon Boot type, choose UEFIclick on EXIT, exit saving changes

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Hello, currently I have the upgraded Windows 10 Pro Spanish 32-bit activated from Windows 7 Spanish OEM 32-bit on a 2011 HP ProBook 6550b LATAM which I guess has the digital entitlement since no keys were entered. I would like to clean install & format the drive using the USB Windows Pro 10 media & Brink's Windows 10 - Clean Install tutorial and have 3 questions:

Q1: checking in System Information is says the OS was installed in BIOS Legacy Mode but in the Boot menu there is an option to select UEFI instead. Which one is the best?

Q2: if clean install is done with an English US version instead of Spanish will I loose the activation?

Q3: I tried changing the display & speech language option to English in my current Spanish OS, rebooted several times and get the persistent Windows Search "these results may be incomplete" error after Indexing is completed as reported in other threads while it works fine when reverting back to Spanish display mode. Anybody knows if that bug is solved in the anniversary update?

Thanks!

Answer:Clean install in BIOS Legacy Mode or UEFI?

Q1 - more secure to use UEFI mode if supported
Q2 - clean install should use the same language version (Spanish). I'm unsure if you could use the 64 bit version rather the the 32 bit
version.
Q3 - don't know

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hi folks, do you know how to boot a dvd in legacy-mode (without UEFI)? my lenovo B570 UEFI has very little options, so i assume the other options (e.g. booting in legacy mode) are hidden somewhere. i also found a guide from lenovo for the thinkpad series, but the option (see step 3) clearly is missing with my notebook. any ideas?? thank you very much in advance.. -benni

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I have lenovo g580. in bios setup under boot tab, it says UEFI boot 'Enabled'. but when i go to cmd and type 'msinfo32', it says my system has LEGACY bios mode. what actually is it? if i have UEFI mode enabled, why it shows legacy in msinfo32? please help........

Answer:BIOS mode-UEFI or Legacy in Lenovo G580?

hi firozmkhatri,
 
According to this FAQ, the UEFI BIOS has to emulate legacy BIOS so that existing applications aren't broken (this means 32bit programs since UEFI only works with 64bit versions of Windows). If you have UEFI enabled under BIOS and see it's saying Legacy under msinfo32, you probably have a Windows 7 system installed on legacy mode as the Lenovo G580 supports UEFI with an emulated Legacy.support.
 
To check if you have Windows installed on UEFI (GPT) or Legacy mode (MBR), check your drive volume:
1. Click Start, right-click Computer and then click Manage
2. On the Computer Management window, choose Disk Managemment
3. Right click on any of the Disk (i.e. Disk 1), choose Properties and on the Volumes tab, see Partition Style
 
Windows with MBR Partition:Spoiler (Highlight to read)
Windows with GPT PartitionSpoiler (Highlight to read)
Reference:
http://forums.lenovo.com/t5/tkb/articleprintpage/tkb-id/[email protected]/article-id/22
http://msdn.microsoft.com/en-us/windows/hardware/gg463149.aspx
 
 
Hope this helps.
 
 

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Hello, currently I have the upgraded Windows 10 Pro Spanish 32-bit activated from Windows 7 Spanish OEM 32-bit on a 2011 HP ProBook 6550b LATAM which I guess has the digital entitlement since no keys were entered. I would like to clean install & format the drive using the USB Windows Pro 10 media and have 3 questions:

Q1: checking in System Information is says the OS was installed in BIOS Legacy Mode but in the Boot menu there is an option to select UEFI instead. Which one is the best?

Q2: if clean install is done with an English US version instead of Spanish will I loose the activation?

Q3: I tried changing the display & speech language option to English in my current Spanish OS, rebooted several times and get the persistent Windows Search "these results may be incomplete" error after Indexing is completed as reported in other threads while it works fine when reverting back to Spanish display mode. Anybody knows if that bug is solved in the anniversary update?

Thanks!

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Just bought a Dell Optiplex 7010 Mini-Tower with Win 8 Pro 64-bit, 8 GB RAM, 500 GB hard drive and an Intel i5 3470 processor. Right now, it has Dell BIOS version A16.

It is normally in UEFI ON and Secure Boot ON, so that F12 on bootup (one-time boot options) does NOT normally show the CD-DVD as a boot option. OK - no problem.

However, if I reboot with F12 and select both UEFI OFF (meaning Legacy ON) and Secure Boot OFF and reboot, then F12 DOES show me the CD-DVD as a boot option, but if I actually try to boot up from a bootable CD, I get an error message.

I have practiced with two bootable CDs - a Knoppix and an Aomei Backupper, both made on earlier machines. Both these CDs work as boot-up CDs in my old XP machine, and the Aomei Backupper CD also worked in someone else's Win 7 Pro 64-bit machine.

What's wrong?

Again, please let me repeat that I am trying to boot from the CD-DVD AFTER I have turned OFF UEFI, turned ON Legacy and turned OFF Secure Boot.

Thanks.

Answer:No Legacy boot from CD-DVD - UEFI and Secure Boot are OFF

https://www.404techsupport.com/2013/...all-windows-7/

But if you're using those settings, Windows 8 will not start.

Here is more info: Legacy BIOS Boot Mode (installing using the MBR partition style) and UEFI Boot Mode (installing using the GPT partition style): link

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Hi guys, I have the Veriton X4620G SFF desktop with Windows 7 Pro 64 so I am wondering if I can change from legacy bios to UEFI? Thanks in advance... John











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Answer:Veriton X4620G change legacy bios to UEFI, possibl...

if your system was with windows 7 from factory, no. you can't update to UEFI.  

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Hi guys, I have the Veriton X4620G SFF desktop with Windows 7 Pro 64 so I am wondering if I can change from legacy bios to UEFI? Thanks in advance... John










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Answer:Veriton X4620G change legacy bios to UEFI, possibl...

if your system was with windows 7 from factory, no. you can't update to UEFI.  

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I have an Inspiron 660. Last fall I upgraded Win 7 to Win 10/64.  I was looking at the System Information recently and I noticed that the BIOS mode was set to Legacy.
I see that UEFI is a step up from BIOS.
Is it safe to switch to UEFI after upgrading in Legacy BIOS mode?

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===========DELL BIOS==============
In many situation, i have to boot to WinPE in uefi mode with legacy support to repair something
i would like to see the uefi boot line in this picture
but when i create a usb boot with a hiden fat32 partition in my usb, i cant see this line? what wrong with my usbi have try to setup MBR and PBR by bootice but nothing change
can someone teach me how to create 2 hiden fat32 partition to boot in this caseaddition
in legacy mode, i use plop boot manager so i can choose with partition to boot but in uefi i cant do this
i want my laptop can automatically recognize my fat32 partition
thanks

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===========DELL BIOS==============
In many situation, i have to boot to WinPE in uefi mode with legacy support to repair something
i would like to see the uefi boot line in this picture
but when i create a usb boot with a hiden fat32 partition in my usb, i cant see this line? what wrong with my usbi have try to setup MBR and PBR by bootice but nothing change
can someone teach me how to create 2 hiden fat32 partition to boot in this caseaddition
in legacy mode, i use plop boot manager so i can choose with partition to boot but in uefi i cant do this
i want my laptop can automatically recognize my fat32 partition
thanks

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I have an Inspiron 660. Last fall I upgraded Win 7 to Win 10/64.  I was looking at the System Information recently and I noticed that the BIOS mode was set to Legacy.
I see that UEFI is a step up from BIOS.
Is it safe to switch to UEFI after upgrading in Legacy BIOS mode?

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i bought a laptop customised from HIDevolution.com recently and by default, they have installed windows 8 in Legacy mode (in HIDevolution installed SSD). now i wish to switch to UEFI mode. will simple reset in windows 8 give me an option for changing the BIOS mode? please help

Answer:how to boot windows 8 in UEFI mode having Legacy mode now?

Changing from legacy to UEFI mode has to be done before installing Windows:http://technet.microsoft.com/en-us/...

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Hi, I bought a Lenovo Thinkpad Edge E320 with 128GB SSD but without OS. I installed Windows 7 and ubuntu and had issues with dual booting because of the UEFI. So I decided to change from UEFI to legacy mode in bios. After that I cann't enter BIOS any longer. If I press F1 on start I get "Entering BIOS Setup" but the BIOS doesn't open instead immediatly Windows starts. The same with F12 to select the boot drive selection the message appears but the menu doesn't open instead Windows starts. How can I enter again the BIOS or reset the options? I tried BIOS Update with BOOT Cd from Lenovo support site but it didn't help. Thank you for advice Best regards bubbas

Answer:Edge E320, can't enter bios after changing from uefi to legacy mode

Hi bubbas and welcome to the Community,
 
This is a long shot, but take out the hard drive, the battery and unplug the ac adapter and hold the power button down for about 15 seconds.
 
Then plug in just the ac adapter without the battery or hard drive and start the machine and see if you can get into the bios.
 
If you can, reload the defaults and reboot.  See if you can get in again and you might want to check the F12 to see if that works.
 
Dave

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Is it "normal" that the M.2 slot on these is only bootable in UEFI mode? I wasted my last day installing Mint 18.1 about 20 times with different bios settings, 2.5" SSDs, M.2 SSDs, etc. The M.2 slot functions fine regardless of whether the notebook using Legacy or UEFI mode, and I can install whatever OS to the drive without issue, however the system won't boot to the M.2 SSD when set to Legacy mode... and this isn't an NVMe SSD, it's M.2 SATA.  Legacy works with the 2.5" SSD fine. Thanks

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hello!
my boot mode is set uefi with legacy oprom and I don't seem to have graphic options available on it..except ''dvmt preallocated'' I want to switch my boot to much more better...which should be the better option for it...I'm using asus vivobook x456ur ?

Note: I cant see boot option to set from uefi to legacy uefi or legacy
 

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Is  B50-70 boot default UEFI or legacy mode?

Answer:Is B50-70 boot default UEFI or legacy mode?

Hi  lenovoman123, Good to have you back. If the system is using Win8/8.1/10 UEFI would be the choice, anything else I recommend using Legacy. Cheers,





Did someone help you today? Press the star on the left to thank them with a Kudos!If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"

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so the only way i could figure to boot from media at clean install was to boot from legacy mode.... is there an "easy" way to swap the boot from legacy to uefi? i'm only asking because it takes about 3 minutes to boot from legacy instead of 20 seconds and my ssd drive is missing??













Solved!

Go to Solution.

Answer:Legacy bios boot vs uefi

First of all, which media are you booting from? What is your OS?

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Relevance 96.76%

When i try and boot my Windows 7 x64 DVD in UEFI mode my computer completely skips it and boots my hard drive. However when I boot in legacy mode i can boot the CD but i get the error 'Windows cannot be installed to this disk. The selected disk is of the GPT partition style'. I'm assuming i get this error because i'm not booting via UEFI mode.

Answer:Windows 7 Installation CD - Can boot in Legacy mode but not in UEFI

Where do you buy your Windows 7 DVD from?

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Relevance 96.76%

Tried various search terms, but nothing came up.

Upgraded to windows (from factory default windows 8) 10 while it was still free. Wiped the drive and tried to reinstall windows 10 (home) and all I got was an error saying that can't install on non gpt partition. Turns out the only way can figure out how to boot usb is via legacy mode. Plugged hard drive into desktop machine and says all the partitions are in fact gpt. Used rufus to burn image to usb, made sure that is gpt as well. For fun, tried the system restore function, but fails right away. I just deleted the windows partition (not the entire drive).

Was playing around with settings in the bios:

Insydeh20 setup utility. gpt option (usb) - select option
Get his popup -> input file path?

Answer:how to boot usb in uefi mode (not legacy) for inspiron 3531

When you reinstall there are some critical partitions.  You cannot leave any of those of the drive and reinstall Windows 10.  Data partitions should be OK.
To boot a USB drive as UEFI, assuming your system has that capability, you have to format the USB drive as FAT 32.  It must use an x64 bit version of Win 10.
When you boot you should be able to see a Boot Device Menu.  Look for something that shows as UEFI and boot to that.  If you don't see a UEFI option, the Bios may be set incorrectly or the USB drive is not configured correctly.

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I have a Dell XPS 8700 that failed Windows 10 anniversary update until UEFI secure boot was turned off. It apparently then completed but I cannot re-enable secure boot without the same boot problem advising
Recoveryyour pc/device needs to be repaired / during Windows 10 anniversary updateAn unexpected error has occurredError Code 0xc0000185you'll need to use recovery tools.   Is there a solution to enable UEFI secure boot ?
 I am using a Dell XPS 8700 pc with an SSD drive. The Windows 10 update was installingthen after one of the reboots the error above  The pc was running prior to the update and had UEFI OS , secure boot enabled,  no prior problems.I attempted to do any of the safe mode boots but none would proceed.Disabling the UEFI safe/secure boot mode apparently let the install continue and the das it did before with I believe completion of the installation of Windows 10 anniversary update.PC now shows Windows 10 home Ver 1607 ..
The problem returns if I enable UEFI secure boot and the PC stops. I would like to determine a wayto locate the problem or issue. related to the secure boot.  Using the media creation tool may justrepeat the problem once secure boot is re-enabled.
 Dell lists that they have tested XPS 8700 with this update and have not indicated problems no mention of secure boot issue.

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Relevance 95.53%

I have a Dell XPS 8700 that failed Windows 10 anniversary update until UEFI secure boot was turned off. It apparently then completed but I cannot re-enable secure boot without the same boot problem advising
Recoveryyour pc/device needs to be repaired / during Windows 10 anniversary updateAn unexpected error has occurredError Code 0xc0000185you'll need to use recovery tools.   Is there a solution to enable UEFI secure boot ?
 I am using a Dell XPS 8700 pc with an SSD drive. The Windows 10 update was installingthen after one of the reboots the error above  The pc was running prior to the update and had UEFI OS , secure boot enabled,  no prior problems.I attempted to do any of the safe mode boots but none would proceed.Disabling the UEFI safe/secure boot mode apparently let the install continue and the das it did before with I believe completion of the installation of Windows 10 anniversary update.PC now shows Windows 10 home Ver 1607 ..
The problem returns if I enable UEFI secure boot and the PC stops. I would like to determine a wayto locate the problem or issue. related to the secure boot.  Using the media creation tool may justrepeat the problem once secure boot is re-enabled.
 Dell lists that they have tested XPS 8700 with this update and have not indicated problems no mention of secure boot issue.

Answer:XPS 8700 needed UEFI secure boot disabled to complete Windows 10 anniversary update can't enable UEFI secure boot now

rdubayah,
If your computer was running WIndows 10 without any issues prior to downloading the Anniversary update, then you would not have had to change any settings in the bios to install the update.The UEFI and Secure Boot settings are to enable booting with a USB or DVD to install Windows.
Disable Legacy Boot Mode and Enable UEFI
Start the computer and TAP the F2 key to enter the bios. Once in the bios Press F9 to Restore the bios to the Default Settings. F10 to save changes and exit. You could have a hardware problem. To run a hardare diagnostics on the computer you would start the computer and TAP the F5 key. Insert a cd/dvd in the optical drive for running the diags.

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After running MBR2GPT on my system with a successful completion, I realized that I don't know how to change the BIOS from legacy to UEFI, resulting in the inability to boot the GPT'ed system. I was running Windows 10 Creator on an MBR system using an MSI H61M-E23 (version 2) motherboard. I made the mistake of thinking that setting the boot mode to UEFI would be easy - I tried setting the first boot device to UEFI, but that did not work. The system does not boot - all I get is a blinking cursor. Any help would be appreciated.

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Hi, I have a bios version 7 on me pc and I dont have a update for a bios 8.I really need to disable secure boot and enable legacy mode but I dont have that option.Is there a way or a trick that I can do this?

Answer:Disable Secure Boot and enable legacy mode

@Siemen,Did you system originally have WIN 7, as listed here?   If so, the BIOS is correct at rev 7.  You can not  use the newer UEFI graphic cards because there is NO update BIOS available.  Your correct, you do not have a way to disable secure boot and enable legacy. In another post you asked, and got no answer.Yes, the GTX 660 will work, with an adequate new PSU.  Recommend EVGA GTX 600 and Corsair CX600 PSU.  On the GTX 750Ti inquiry, only chance would be the Hybrid vBIOS cards.  PSW<> The GTX 670's are a tad touchy.

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I am trying to install Windows 7 from a DVD to an HP 19-2113w All-in-One with Windows 8.1 as the factory install. I have entered the BIOS, turned off Secure Boot, restarted, and entered the code to confirm that I want to disable Secure Boot. Upon restarting and going back into the BIOS, Secure Boot shows it is "Disabled." HOWEVER -- when I then go into the boot options and try to enable the legacy boot devices, it gives me a message saying "You must disable Secure Boot before you may configure this option." As I previously stated -- Secure Boot shows "Disabled" when I check under the security tab.  How much more disabled can it get?  Am I missing something here?  Is there any other way to install Windows 7 from a DVD onto this computer?

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Hey guys, I already tried to post this question on another forum, they tried but then they send me here and maybe you can do something for my problem.
Here is the original thread, https://answers.microsoft.com/en-us/windows/forum/windows_10-performance-winpc/missing-operating-system-cant-boot-after-trying-to/f6a82a4c-533f-4447-af4e-94162c78e45d?messageId=f8ab0de2-f35d-4648-9ba2-fe5bc6bdbb3a
My last question is from yesterday but I still want to try asking you too just to save time eventually.. so in the last one I put interesting info cause I can boot in the windows installation section AND open cmd.

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I am a proud owner of an Satellite A500 PSAR9A-02S001
I have been quite happy with it over the years.

However when trying to dual boot I am running into all sorts of problems.

I really need uefi/legacy boot options to be unlocked in the bios menu
I believe this functionality is present
However there are no options to configure it in the bios, please release an update for this.

Please.

It would help me out a lot.
Not too mention all of the other hidden settings in the bios u could also unlock.
I Would really appreciate any help with this

Message was edited by: Bigwheels

Answer:Satellite A500 - BIOS update request - UEFI/legacy boot option

As far as I know Toshiba doesn't offer some BIOS options modification and this is also not a part of BIOS updates.

What kind of problems do you have with dual boot?
What is preinstalled on your machine? Post please some info about exact OS installation.

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Relevance 92.25%

I bought a ThinkPad 540p that comes with preloaded Windows 8.1. As I want to dual boot the machine I tried to select the Legacy Boot option in the BIOS/Startup tab, but I can't do anything as the option UEFI/Legacy Book is greyed out and locked in "UEFI Only". Below it there is an option called: -CSM Support that is also greyed out and selected as [No]. (below  these options there is a little note with an asterisk saying "Unselectable for Secure Boot"). How can I enable the UEFI/Legacy Boot option again in order to dual boot the computer? I want to be able to boot from USB or from the CD Drive.   Thank you very much for helping me out!     













Solved!

Go to Solution.

Answer:Unable to select UEFI/Legacy Boot in BIOS / Startup - ThinkPad T540p

Hello and welcome,
 
I'm not sure where it is in your BIOS (security tab maybe) but there should be an option to turn off secure boot.
 
Z.

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Relevance 91.02%

How do I change the boot order in a UEFI bios when it only shows the HDD?
I need to boot from the DVD to install Win 8.1 on a blank 1TB HDD.
I know I'm just over looking a simple setting.

ASUS Essentio
Pross. AMD A8-5500 with Radeon HD Graphics 3.20 GHz
Ram; 6 GB
Motherboard; F2A85-M/CM1745/DP_MB
 

Answer:UEFI Bios (secure boot)

b1jqxk44 said:





How do I change the boot order in a UEFI bios when it only shows the HDD?
I need to boot from the DVD to install Win 8.1 on a blank 1TB HDD.
I know I'm just over looking a simple setting.

ASUS Essentio
Pross. AMD A8-5500 with Radeon HD Graphics 3.20 GHz
Ram; 6 GB
Motherboard; F2A85-M/CM1745/DP_MBClick to expand...

Change it to legacy and do it that way.
 

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HP Notebook 15-f009wm
OS: Windows 8.1 with Bing 32 bit

Hello all,

This is my problem:

I can't get my USB drive to load while in Secure Boot mode and continue running into 'Boot Device Not Found. Please install an operating system on your hard disk' screen. The only method that works thus far is disabling Secure Boot mode and enabling Legacy
Support. Here are the methods I have tried based on extensive research of various forums after several days:

- Performed all the generic System Diagnostic tests (F2) + Memtest86 + sfc /scannow multiple times after every fresh install + physically checked HDD. Performed all HP recommendations: http://support.hp(DOT)com/us-en/document/c01443463


- Did multiple fresh installs of Windows 8.1 with Bing (32 bit) erasing all partitions from hard drive every time (my system is designed for 64 but I only have access to a 32 ISO). Installed using Legacy Support (I understand you can't go back and enable Secure
Boot and disable Legacy once it has been installed this way but due to lack of any other way of installing Windows, I have no choice).

- Used 'Windows 7 USB/DVD Download Tool' to create ISO which automatically formats drive to NTFS; converted to FAT32 using 'AOEMI Partition Assistant' software (preserving all partitions/data) but it still won't read.

- Used 'Rufus v. 2.11.995' software to create ISO as FAT32 under several different setting iterations:

1. GPT partition scheme for UEFI (this presumably s... Read more

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Relevance 89.38%

Hello all, This is my problem: My BIOS won't boot my USB drive while in Secure Boot mode (Legacy Support disabled). After researching this, I realized UEFI Secure Boot won't read NTFS formatted flash drives hence requiring user to reformat to FAT32. I've reformatted to FAT32 but it still won't boot. I continue to run into the 'Boot Device Not Found. Please install an operating system on your hard disk.' screen. The only way to get the USB drive to boot is to disable Secure Boot and enable Legacy Support. Virtually every forum I have researched pointed to this being the problem (aside from loose hard drives / hard drive and/or memory problems). I have checked the hard drive and have ran the F2 System Diagnostics and am sure there is no problem with the HDD. I have even tested the RAM/CPU with Memtest86 with 0 errors. I have ran multiple 'sfc /scannow' tests after each fresh Windows install and there are no corrupt files during installation. I have been trying to install a fresh Windows 8.1 with Bing (32 bit) on a system that originally came with 64 (there were no 64 bit ISOs available anywhere to download and since Microsoft conveniently doesn't make this specific Windows version available for download via their Media Creation Tool (or anywhere else on their or their affiliate sites for that matter), I was forced to resort to a 3rd party site to obtain this download. The problem is I am forced to install using Legacy Support as there appears to be no o... Read more

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Relevance 89.38%

HP Notebook 15-f009wm
OS: Windows 8.1 with Bing 32 bit
Hello all,
This is my problem:
I can't get my USB drive to load while in Secure Boot mode and continue running into 'Boot Device Not Found. Please install an operating system on your hard disk' screen. The only method that works thus far is disabling Secure Boot mode and enabling Legacy Support. Here are the methods I have tried based on extensive research of various forums after several days:

Performed all the generic System Diagnostic tests (F2) + Memtest86 + sfc /scannow multiple times after every fresh install + physically checked HDD. Performed all HP recommendations: click here Did multiple fresh installs of Windows 8.1 with Bing (32 bit) erasing all partitions from hard drive every time (my system is designed for 64 but I only have access to a 32 ISO). Installed using Legacy Support (I understand you can't go back and enable Secure Boot and disable Legacy once it has been installed this way but due to lack of any other way of installing Windows, I have no choice).
Used 'Windows 7 USB/DVD Download Tool' to create ISO which automatically formats drive to NTFS; converted to FAT32 using 'AOEMI Partition Assistant' software (preserving all partitions/data) but it still won't read.
Used 'Rufus v. 2.11.995' software to create ISO as FAT32 under several different setting iterations:
GPT partition scheme for UEFI (this presumably should be the most appropriate setting but it still did not work). End Format: FAT32
GPT parti... Read more

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Ok im about to upgrade to win 10 then do a clean install afterwards of win 10, but i wanted to assure i have everything correct before i start. I updated again my profile with Belarc to assure i have a completed list of my software, i notice this Boot mode uefi with secure boot disable, here im a rookie. I have an Alienware Aurora R4 desktop, do i have to go into bios and change secure boot to enable? I read lots of articles but cant simplify with my dumb brain what to do at this stage, appreciate any help.

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Hi, I built a new PC running 8.1, GPT, UEFI secure boot mode, everything. I'm now at the point where I'm ready to start migrating my data to it, but before I do that, I need to get some backup software that offers me the option to boot from a recovery CD and restore from an image file backup stored elsewhere. Until I've wiped this install & restored successfully, I don't consider it a usable machine. I already have this setup working on my Win7, but for some reason that software is not working with 8.1.

So I'm looking around for something new, and I'm on a trial of Paragon Backup and Recovery Home 12. It says I can create a WinPE disk (and I must use this, since I'm using Intel firmware-based RAID) that will allow me to do a bare-metal restore. The help takes me to a link on their website for something called the "Paragon Boot Media Builder." And there's documentation on it, but I can't find out how to download it. If I Google downloading that, a bunch of pirate websites show up & not much else.

Is their help & website outdated, is there another of their products that I must buy to get this?? Very unclear.

Or does anyone have any other suggestions? I'm not really not interested in purchasing anything until I've verified it is solid & will work in the manner I described above. I don't trust untested backups.

Answer:bare-metal restore of 8.1 in UEFI secure boot mode

Paragon 12 has no support for Windows 8.1.
Paragon update to 14
Paragon 14, Out November 2013.
Hard Disk Manager Suite ? complete system management | PARAGON Software Group - disk partitioning, resize partition
Paragon Hard Disk Manager Professional - Overview

3 more replies
Relevance 88.97%

So, basically if we have a computer that doesn't have a UEFI BIOS with Secure Boot, then we can't upgrade to Windows 10? Am I right or wrong here?

Answer:Question about Windows 10 UEFI BIOS with Secure Boot

I know when I updated to Build 10041 I had to set up Secure Boot on my motherboard BIOS before it would work. That was not the case in any of the previous builds. But given the number of older PC's I hope not.

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So i had secure boot up and running on my windows 8.1 machine after a clean install, but now since microsoft upgraded me to windows 10 it seems as my secure boot is off again, but it's enabled in my bios is so weird, it's enabled in bios but off in windows 10? Is not much of a big deal to me in a since but just wondering why it still shows as on in bios but off in windows 10.

Answer:UEFI bios enabled but no secure boot on windows 10?

anyone ???

12 more replies
Relevance 87.74%

Hi,

I just bought a toshiba satellite L10W-B and I'm very disappointed with the fact that the option to change the boot mode from UEFI to CSM/legacy isn't available, why is that ?
Can somebody tell me how to do this ?
The bios isn't even accessible, only the "Toshiba utility setup" instead which doesn't give many options, how can I access the BIOS, the real one ?
I've been around internet for hours, didn't find the answer.
Thanks you so much,

Answer:Satellite L10W-B - Change boot mode to CSM/Legacy

I'd really like to know that, too. Please write me if you find a solution

2 more replies
Relevance 86.92%

This BIOS update added support for UEFI Secure Boot..  One of the new options is to "Restore Factory Keys" Exactly what keys are restored?   PK, KEK or what?    The release notes (by the way, the section on UEFI  Secure Boot is written in very poor English!) are silent on this matter.  

Answer:T430 BIOS Update v2.5 - UEFI Secure Boot Factory Keys

Hello,
 
please read the item-specific help within BIOS F1 setup.  It's in the panel on the right side of the screen when an item is selected such as "Reset to Setup Mode" and "Restore Factory Keys".  I think this contains the info you are looking for.

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Relevance 86.51%

Hi all,

Currently having a wake on lan issue with a certain computer.

The machine is setup correctly but the windows boot information is stored in a 100mb UEFI partition, and when the computer wakes on lan, it will not boot windows, just sit at a blank screen.

When it wakes on lan it is trying to boot from the legacy device (same blank screen happens if you choose to boot from it from bios)

ive tried updating the bios but no luck, all settings seem to be as they should be.

Is there some trick to get it to load the UEFI MBR, or is there a safe way other then reformatting the machine to move the MBR over to the legacy device itself?


Thanks for any help.

Answer:Boot UEFI from wake on lan, or convert UEFI MBR to legacy.

Back up your files, unplug all other HD's and peripherals,

Boot into BIOS setup to enable Legacy BIOS. Next check BIOS Boot order for an EFI Boot Disk: remove it, set DVD drive first to boot, HD second. Then set SATA controller to AHCI. Save changes and Exit.

Then boot into installer DVD or flash stick burned or written using tool and latest ISO for your licensed here.

At first installer screen Press Shift + F10 to open a Command Box, type:

DISKPART
LIST DISK
SEL DIS 0 (after confirming Windows 7 target HD #)
CLEAN
CONVERT MBR
CREATE PARTITION PRIMARY SIZE=102400 (for 100gb partition, adjust as desired)
FORMAT FS=NTFS LABEL="WINDOWS 7"
ACTIVE
EXIT
EXIT

Next click Install Now to Clean Install Windows 7 to the partition you created. If it fails then report back at which step and the verbatim error message.

In addition read over these steps to understand the tools and methods which work best to get and maintain a perfect Clean Reinstall - Factory OEM Windows 7. The steps are the same for retail.

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Relevance 86.1%

Hi there,

I have laptop P840 which came pre-installed with Windows 8 which I upgraded to Windows 8 Pro.
I then updated to Windows 8.1 Pro through Windows store. Please advise:

1. How to create a repair or boot DVD for windows 8.1 pro with UEFI Bios and secure boot.

2. I have created one recovery USB using the control panel in Windows 8.1 Pro. It boots OK. Will this the same as the one I created using Toshiba Media recovery creator or will it have Windows 8.1 Pro drivers?

3. On check with disk management, there 3 recovery partitions (450 MB, 350 MB and 10.90 GB), 1 EFI system partition and 2 primary partitions (C: for programs and D: for data). I have created recovery DVD's and 2 USB drives. Can I delete the 3 recovery partitions?

Your assistance will be highly appreciated.

Best regards,

Romero

Answer:Satellite P840: How to create recovery disk with UEFI Bios and secure boot

I found your previous thread about this theme:
http://forums.computers.toshiba-europe.com/forums/thread.jspa?threadID=74272

> 1. How to create a repair or boot DVD for windows 8.1 pro with UEFI Bios and secure boot.
In order to be able to boot from other sources than internal HDD, the boot mode has to be set to CSM and secure boot needs to be disabled!

> 2. I have created one recovery USB using the control panel in Windows 8.1 Pro. It boots OK. Will this the same as the one I created using Toshiba Media recovery creator or will it have Windows 8.1 Pro drivers?

Your notebook was preinstalled with Win 8. Right? So the USB flash memory stick which you created using the Toshiba Recovery media creator contains the Toshiba Image with Windows 8. Don?t mix this Toshiba image with the image which can be created using the Microsoft own backup and restore function! Both are different images!

> 3. On check with disk management, there 3 recovery partitions (450 MB, 350 MB and 10.90 GB), 1 EFI system partition and 2 primary partitions (C: for programs and D: for data). I have created recovery DVD's and 2 USB drives. Can I delete the 3 recovery partitions?

The last partition contains the HDD recovery files. Usually this partition will be created again when you use the Toshiba recovery disk in order to set the notebook back to factory settings. So in case you don?t need this files or partition, you can delete it

4 more replies
Relevance 85.69%

I just got this brand new computer and switched out the hard drive with my current SSD and 16gb of pc-12800 1.35v. Since i wasn't using a UEFI compatible bios before, I switched this one into legacy mode. When I rebooted, the computer just hung at the first screen. It will not go into bios or boot menu or anything. It will accept keypresses for the first few seconds of boot, but then just hangs saying "Entering Setup" or other appropriate messages. Switching the hardware back to the factory parts had no effect on this state. After that I started messing around and found that some older ddr3 ram allowed me to get into the bios and change it back to UEFI. In that mode, even with secure boot disabled, I cannot boot to DVD, USB, SSD, or the original hard drive. It is almost like they aren't recognized. Is there an issue with the 1.11 bios here? Thanks,Bob

Answer:Brand New T540p will not boot in legacy bios mode

I have the same problem.I replaced my ssd with original hard driver ,swith to legacy mode and installed centos, after installation, it could not boot succefully,then I switched back to UEFI, and installed win8 with UEFI, after installation, it also could not boot.After that, I switch back to lagacy and computer hangs at the screen same as you, which shows 'to interrupt normal post?press enter', and nothing could be done to pass it.  after replace old ddr3 ram,  it also made me succesful to enter bios. I switch back to UEFI. the system dit not hang but nothing could be done. If with T540p's original ram, when I press F12, both harddisk and cdrom could not be detected.If with old ddr3, the hardisk and usb showed sucessfully, but when pressed, noghing happend. can anybody help to fix it? Thanks very much.  

2 more replies
Relevance 85.69%

All,I updated my bois to v2.30 last night and found the machine doesn't boot anymore. It kept complaining it can't find a boot loader.After extensive research I found changing the boot mode to "legacy" will revive the OS.I just wonder, do I stuck with legacy mode for the rest of the laptop's life? what's wrong? thanks,

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Relevance 83.64%

I just bought sony vaio S Series, with original Win 7 home basic 64 bit. But, many of my device such as printers, network wifi and etc not support for win 7 64 bit. Now, I want to install win 7 32-bit on my laptop. But, My CD Win 7 bootable won't boot at my laptop. After i check bios, i found something strange on boot menu orders, if the boot in "Legacy" mode, that laptop will boot from my cd. But if "UEFI" mode, looks like the system has ignore my boot cd, and go straight to windows 7 64 bit. Has anyone solve this problem? Will somebody help me to solve my problem? Thanks anyway

Answer:if UEFI mode on Bios, Cannot boot from CD... :(

You can install 32 bit to an EFI BIOS but it has to be in Legacy mode, with EFI Boot disk removed from the BIOS Boot order, and the HD wiped with Diskpart Clean Command so installer can reformat it from (EFI formatted) GPT disk to the normal MBR disk.

Follow these steps to get a perfect normal Clean Reinstall - Factory OEM Windows 7.

3 more replies
Relevance 83.23%

As the heading says how to know my Bios has Uefi boot or legacy boot??
 

Answer:Is my BIOS Legacy or UEFI?

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Relevance 83.23%

This weekend I will try to do a clean install of Win 10 again, from Win 7. Have to try som new methods to see if I can get my computer running flawlessly with Windows 10.

I will use the clean install tutorials from this forum. I hav two options, with or without UEFI installed?

What about this thing with EFI, UEFI, Legacy BIOS? How much impact will this have on my computer regarding a flawlessly Win 10 setup?

I don't know anything about this, other than UEFI is the newest standard regarding BIOS.

When I look into my boot setup, it says, 1. Boot Device - [EFI Device].
If I open Diskmanagement, this is the picture:
Should I use the tutorial with or without UEFI when I do a clean install?

Answer:EFI, UEFI, Legacy BIOS.......

Your OS seems to be currently installed in Legacy Mode, that means your drive is probably formatted using a scheme called MBR. For Windows to boot in UEFI mode, it required the drive to be formatted using a different scheme called GPT.
If you can, backup the drive and reformat it to GPT if you want UEFI.

As far as the benefits go, Legacy is old, UEFI is new. It's faster, looks prettier while booting :P. Thats pretty much it for the average consumer.

1 more replies
Relevance 83.23%

Hey I want to cahnge my boot option to legacy mode from uefi mode. can anyone help me.











Solved!
View Solution.

Answer:Changing UEFI mode to Legacy mode

Hi, If your HDD has a guid partition table, the current OS will have to be installed in 'uefi' mode - the only way around this would be to reformat the drive with MBR and reinstall the OS using a boot option ( cdrom or flash drive ) that does not have a (uefi) suffix. Regards, DP-K

4 more replies
Relevance 82.82%

Hi,
I recently bought a hp pavilion 15 au038ca model. It came with a lot of bloatware so I decided to clean install Windows10. I used Windows Key Finder software to find my key since it's embedded in the bios, wrote it down and went ahead to install the same version as my previous windows: Windows 10 home x64.
Before I even started with the installation, I could not see my device in the boot options( I was using a bootable usb drive). So I went to the bios and enabled legacy support and when I switched my laptop back on into boot device options, there it was: a usb drive option. So i selected it and went on ahead to do a clean install of windows. Now the problem is, whenever I load up system defaults in bios and save it, my laptop does not boot into windows. It gives me this error:

Boot device not found.

Please install an operating system on your hard disk.

Hard Disk - (3F0)

...But as soon as I enable Legacy mode, it boots up into windows. My question is, how do I install windows into uefi mode and not legacy mode? Because I read many articles saying that uefi equals faster boot times and has more advantages than the older legacy mode. And whenever i try making a bootable uefi disk, there is still no device options when only the uefi mode is on. But when the legacy mode is on, then I can see my disk under the boot device options.
Second question, how do I change my hard disk partition to gpt from mbr?
Thank you
 

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Relevance 82.82%

I want to wipe a Windows 8.1 laptop and clean install Windows 7 from a CD. Laptop is an ASUS X551M.
I understand that with Windows 8 you have this UEFI, which needs to be changed such that you can change the boot order.
Following online instruction says to hold Shift whilst pressing restart then going into troubleshoot, advanced options, UEFI Firmware settings then restart (on the blue screen).
Then in the UEFI Bios Disabling the Secure Boot Control in the Security tab. Ive doe this but it also says in the Launch CSM option to change to enable. Problem is this option is not showing. So how to I change to Legacy mode so that I can change the Boot device order and boot from the CD?
Thanks in advance
James

Answer:UEFI to Legacy mode - CSM option not showing

Sorry don't know specifically. Have you been through these?
click here

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Relevance 82.41%

Asus G73sw Laptop that I have used every day for the last 2 years.

So, I got the message: "Reboot and Select Proper Boot Device, press any key" so I tried another working HDD that has windows 7 on it; same message. I took apart the computer and checked the connections and cables. One time, during the constant restarts with other HDDs, I got the message "A Disk Read Error Occured." When I entered the BIOS menu, It recognized the HDD. Also, on the Easy Flash, I could see that HDD and its files.

Finally was able to load windows with UEFI mode. I am unaware what this is, but I assume it will work for now?? I have made no updates to windows 7, installed no drivers or programs recently, and am unsure why BIOS won't load any of my HDDs to windows, when BIOS clearly sees it.

Can anyone help me with this issue?

Thanks
 

Answer:Help: Can't boot from BIOS, Needed to change to UEFI, on computer I use every day!

so I tried another working HDD that has windows 7 on it;Click to expand...

OK, you cannot take a hd with windows already installed and put it in another system then expect it to boot. Not going to happen unless the two systems have very similar or identical hardware.
Finally was able to load windows with UEFI mode.Click to expand...

This allows windows boot mgr to take over the boot process. This is not the only difference; there are many. UEFI uses GPT table, can address larger hd, and a lot more. Here is an article that explains uefi in more depth;
http://en.wikipedia.org/wiki/Unified_Extensible_Firmware_Interface
 

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This computer came with WIn7 and was upgraded to Win10. I would like to make it a dualboot (with Windows as the MBR) with Ubuntu. However, My BIOS is "Legacy" and I already have 4 partitions (the unused space is not usable by Linux). Can this laptop's BIOS be upgraded to UEFI without reinstalling Windows (I want to preserve all my applications and settings in WIndows). If so, can you point me to instructions in detail? If not, recommendations for any alternatives, such as what to do (& how) with the 3 partitions other than WIndows (C: is the main WIndows partition of course; D: is Recovery; I have no idea what the other two partitions are since they do not appear in Explorer and E: is the DVD).

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Hello,

I've installed Windows 10 and Ubuntu using UEFI.
But, now I created a bootable USB for a Linux that does not support UEFI, but only Legacy.
I mean, when I plug the USB to my laptop, the UEFI does not recognize it, only the Legacy BIOS does.
Is it possible to simply proceed to install the other Linux using Legacy mode? Or it will cause problems?

Thanks

Answer:Installing some OS's in UEFI and some using Legacy BIOS

I am never a fan of using dual boot. I have Windows 10 installed on a separate GPT SSD and Linux installed in MBR SSD and run them separately using Boot Menu so they are completely independent from each other.

I did mention in your other thread that dual booting using MBR is preferable which you can set the Windows boot manager and GRUB boot loader separately. The traditional way is Linux override the MBR and took over the booting process for both Windows & Linux. The non traditional way is to put the GRUB Boot loader in its own partition then use Easy BCD to set up the dual boot, this way they are independent so if there's an update/upgrade from either one, you won't break anything. In addition, you'll get a nice GUI dual boot Menu from Windows, not the ugly GRUB.

Here's an example:

GRUB controls the booting process for both Windows and LinuxPut GRUB in its own partition and use Easy BCD to set up dual boot.
NOTE: During Linux installation, you have to tell Linux not to use sda (MBR in Windows) but its own partition.

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Hello,

I've installed Windows 10 and Ubuntu using UEFI.
But, now I created a bootable USB for a Linux that does not support UEFI, but only Legacy.
I mean, when I plug the USB to my laptop, the UEFI does not recognize it, only the Legacy BIOS does.
Is it possible to simply proceed to install the other Linux using Legacy mode? Or it will cause problems?

Thanks

Answer:Installing some OS's in UEFI and some using Legacy BIOS

I am never a fan of using dual boot. I have Windows 10 installed on a separate GPT SSD and Linux installed in MBR SSD and run them separately using Boot Menu so they are completely independent from each other.

I did mention in your other thread that dual booting using MBR is preferable which you can set the Windows boot manager and GRUB boot loader separately. The traditional way is Linux override the MBR and took over the booting process for both Windows & Linux. The non traditional way is to put the GRUB Boot loader in its own partition then use Easy BCD to set up the dual boot, this way they are independent so if there's an update/upgrade from either one, you won't break anything. In addition, you'll get a nice GUI dual boot Menu from Windows, not the ugly GRUB.

Here's an example:

GRUB controls the booting process for both Windows and LinuxPut GRUB in its own partition and use Easy BCD to set up dual boot.
NOTE: During Linux installation, you have to tell Linux not to use sda (MBR in Windows) but its own partition.

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I bought a brand new Sony S series and it was shipped with windows 7 and boots in UEFI mode. I have encryption software I need to install, and it's not compatible with UEFI mode. In my bios I see the option to change the boot mode to legacy, but when I do that and restart the computer I get this message 'operating system not found'. How can I run my computer in legacy mode? Do I have to set the bios to legacy and re-install windows?

Answer:UEFI/Legacy bios issue

1) Install encryption software that supports UEFI.

2) Reinstall in legacy mode.

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Hello,

Right before I performed a clean install of Windows 8.1 x64 on my Inspiron 3520, I switched to the Legacy BIOS *facepalm*.

When I enter the legacy BIOS and enabled "secure boot", I performed a restart that gave the following message "internal hard disk drive not found, to resolve this issue, try to reseat the drive. No bootable devices--strike F1 to retry boot, F2 enter setup menu, F5 enter PSA". Of course, when I go back into the BIOS and disable secure boot, it reverts back to legacy and boots up Windows 8 just fine. What I'd like to know is, how can I revert back to UEFI so I can change the boot-up option and perform a clean install under UEFI.

Any help would be greatly appreciated! I've found a couple articles but I just want to make sure I'm headed in the right direction and if maybe there is a safer and easier way to get this done...

Making the Switch to UEFI | sepago

https://social.technet.microsoft.com...n-to-uefi.aspx

Answer:Switching from Legacy BIOS to UEFI

UEFI (Unified Extensible Firmware Interface) - Install Windows 8 with

4. Press whatever key (ex: F11) it shows to boot to your motherboard's boot menu, and select to boot from the listed UEFI DVD or UEFI USB. (see screenshot below)

Secure Boot

Secure Boot only work in UEFI boot mode, when you enable Secure Boot in your PC's UEFI settings.

Secure Boot protect users from rootkits and other low-level malware attacks by blocking unauthorized (non-signed) executables and drivers from being loaded during the boot process.

Protecting the pre-OS environment with UEFI - Building Windows 8 - Site Home - MSDN Blogs

Secure Boot - Enable or Disable in UEFI

Secure Boot - Confirm Enabled or Disabled in Windows 8

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Whats the Different with Legacy Bios / UEFI ?













Solved!

Go to Solution.

Answer:Whats the Different with Legacy Bios / UEFI ?

As for the questions about UEFI in general - basically, UEFI is a replacement for BIOS. Without going into technical details, the most important difference is that UEFI is 64-bit, while BIOS works in 16-bit real mode. This adds certain amount of latency in the boot process (and resume from sleep) because your 64-bit processor will simulate 286 CPU from the power on all the way until your OS starts booting, only then your OS will switch it in 64-bit mode. New Windows 8 PCs don?t include the traditional BIOS. They use UEFI firmware instead, just as Macs have for years. Rather than have modern PCs wait several seconds for a key press and delay their speedy boot process, you?ll have to access a boot option menu after booting into Windows. 

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I have a 250GB GPT SSD and installed Windows 10-64bit in UEFI mode.

Also,

I have 1TB MBR HDD and installed Windows 7-32bit in BIOS mode.

Currently, I have to go to bios setting every time and change boot priority manually in order to boot from another windows. Is there any way to use Windows Boot Manager (dual boot) instead of selecting manually from mainboard setting?

Answer:Two Windows on Two different mode (Bios & UEFI) How to dual boot?

Other then reinstalling W7 in UEFI to a GPT drive, or reinstalling 10 in Legacy mode to a MBR disk, then no.

You`ll have to keep switching, you are going to have to choose a bios method and stick with it if you want a true simple dual boot.

I would consider the way you`re doing it a real hassle and wouldn`t think twice about fixing it correctly.

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After updating BIOS to ver F.02 Rev A UEFI and GPU not working anymoreOnly legacy modeGPU says Error 43 And its not allowing to downgrade BIOSWin+B method also not working What to do now? It's like a useless brick now.

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so as the title above,i recently reinstalled my laptop's windows 8.1,during the installation the boot manager doesn't show my installation media because im in uefi mode,so turned on launch csm and can boot from my installation disc,during the setup,the windows cannot install on gpt disk problem appeared,so i converted it to mbr by using shift+f10 method,installed windows 8.1 and now using it but now when i goes back to bios and disable csm which is enabling uefi i assume?,windows did not boot and goes straight into bios,means in uefi mode it didn't load my windows since i've installed my windows on legacy(pls spare me im a newbie not really knowing all these crap about uefi and legacy,like if you install windows on legacy you can't boot it in uefi mode anymore which make sense but i never know this) so saw some thread on how to convert legacy to uefi withoust lost of data,but im not quite sure i understand how to do it, so i want to ask if anyone could help me on this issue thks

Answer:How to convert legacy installed windows 8.1 to uefi mode

i know this might have been discussed many time ago,but still i wish to convert it and since uefi boots faster,and also just wanted to revert back to how my laptop was before which is windows 8.1 preinstalled in uefi

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HiI have a HP 280 G2 MT having Win 7 Pro installed(legacy).The other specs are-Core i3 6100,8GB RAM. Now my query is,can I install a graphics card in legacy mode ? or do I change to the UEFI mode for that? For that do I have to consider the graphic card having a UEFI BIOS?( my motherboard has both UEFI and Legacy mode and it came preinstalled with Win 7 in legacy mode with an upgrade disk for Win 10 pro).Please share your valuable opinions 

Answer:Graphics card install in Legacy or UEFI mode?

Hi: I have a Nvidia GT 730 card installed in my HP 8200 Elite CMT with UEFI disabled. The situation with your PC is that you have to leave secure boot disabled when running W7 or installing a non-HP video card. The PC will not accept a non-HP graphics card ( not one listed in the parts list for your PC) if secure boot is enabled.

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I have an Aspire M5 that is not bootable.  I ordered and received recovery discs from Acer.  When I boot using UEFI mode, I get the following error message... "Please boot this Recover Disc uusing legacy BIOS mode."  When I boot using legacy BIOS mode, I get this error message... "Restore Fail: This recovery system can only be used on "UEFI" mode.  Please press "OK" to restart the system immediately."  I attached screen shots of both.  My guess is something else is wrong that a recovery disc can't fix.  Any thoughts or suggestions on how to proceed?  Thanks!

Answer:Recovery not working - UEFI vs. Legacy BIOS

you need to completly wipe your HDD before restoring your PC. are you able to reach windows command prompt? (try to press shift+F10 keys at that screen)if so, try this:typediskpartthen on diskpart typelist disktake note of the correct disk ID to erasetypeselect disk x(x is the ID of your HDD to erase)typecleantype exit if not, you can create a bootable USB or CD (boot under legacy) with gparted that will jelp you erase your HDD:http://gparted.org/livecd.php

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Relevance 81.18%

Hi,I have a question, since I got my motherboard replaced (on warranty), the BIOS is in the Legacy mode. What steps do I have to go through in order to switch the machine to UEFI mode? My SSD is GPT formated.Thanks for advice!David

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Relevance 81.18%

Hi! Yesterday I updated my bios from F.26 to F.29. What made me switch was the "Note: HP strongly recommends transitioning promptly to this updated BIOS version. " Apparently some major security issues were fixed so i downloaded the installer and ran it, everything went fluently as it seemed. Last thing it did was writing boot block or something and then it rebooted and i was prompted with: Boot Device Not FoundPlease Install an operating system on your hard diskHard Disk (3F0)F2 System Diagnostics For more information please visit: hp.com/go/techcenter/startup Did the Diagnostic Tests - Everything passed (memory, hdd) Restored Factory Default from Bios. Put windows 8 installer onto USB drive. Rebooted and then pushed f9 to get into Boot Options Menu. There was nothing. The boot options menu was clear. Thought I could simply do startup repair from the installer but no, can't boot off the usb stick (Sandisk Cruzer Blade 16GB). Also, I changed the boot order from  the BIOS, it still failed to boot. Then I switched legacy mode to enabled. Now I could boot off the USB stick, then I tried to fix the bootloader from command prompt to switch back to uefi mode. Rebooted and it still doesn't boot from UEFI mode.  UEFI Boot Order from bios looks like this:Internal CD/DVD ROM DriveUSB Diskette on Key/USB Hard DiskUSB CD/DVD ROM DriveOS boot Manager! Network Adapter (since i disabled Internal Network Adapter boot) Legacy Boot OrderNoteboo... Read more

Answer:Boot Device Not Found after BIOS update in UEFI mode, HP G6...

Im not 100 percent sure its the right forum for this. Anyway, im writing this from a ubuntu live usb and legacy mode is enabled. Currently copying stuff over from my windows partition, everything works good. Im hoping that things will get working again after formatting the whole drive and i can install windows from scratch under uefi mode... Im hoping it was the windows installation messing with the other bootable devices under uefi.

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I am not able to revert back to my older BIOS because the InsydeFlash tool is not allowing me to do that. Maybe because the BIOS is older than the present one (tried with changing the setting in platform.ini as well. Did not work).
So anyone out there. Please HELP. I'll be eternally greatful to you. 

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We are now migrating from Windows 7 to Windows 10.With windows 7 we were running legacy BIOS. Now with Windows 10 it is UEFI and Secure Boot on all machines before deployment of operating system. I have configured the BIOS settings exactly as i wanted on one machine. (UEFI, Boot Order, Secure Boot Enabled)Then i have used CFGWIN.exe to export my settings to a txt file CFGWIN.exe /c /path:c:\settings.txt Now i want to use this configuration on all other Lenovo computers, without going in to BIOS and change all settings manually. So in my OS deployment i run:CFGWIN.exe /r /path:c:\settings.txt (after that i reboot the computers and continue with OS deployment) But BIOS are not set to UEFI, Secure Boot is still disabled? Please help! Sorry Wrong Thread, how do i change?

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Relevance 80.36%

We are now migrating from Windows 7 to Windows 10.With windows 7 we were running legacy BIOS. Now with Windows 10 it is UEFI and Secure Boot on all machines before deployment of operating system. I have configured the BIOS settings exactly as i wanted on one machine. (UEFI, Boot Order, Secure Boot Enabled)Then i have used CFGWIN.exe to export my settings to a txt file CFGWIN.exe /c /path:c:\settings.txt Now i want to use this configuration on all other Lenovo computers, without going in to BIOS and change all settings manually. So in my OS deployment i run:CFGWIN.exe /r /path:c:\settings.txt (after that i reboot the computers and continue with OS deployment) But BIOS are not set to UEFI, Secure Boot is still disabled? Please help!

Answer:Update BIOS settings LEGACY to UEFI (ThinkCentre M...

What version of BIOS are on?   Are all the computers on the same? 

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I had a system crash on my Acer Aspire XC600 with Windows 8.1 installed. It was impossible to use Acer recovery management. I installed Ubuntu. Later I got the Acer recovery CD's. It was impossible to start from CD. I tried to remove Ubuntu, but unsuccessfully. Now Ubuntu does not start anymore. When booting from CD, I get the following error:Pleas boot this recovery disk using legacy BIOS mode. I tried that. After trying again I got this error:Restore Fail: This recovery system can only be used on "UEFI" mode. Please press "OK" to restart system immediately. I read that the solution would be to wipe the HDD, but I don't have a OS to do it with. How can I  Please help.

Answer:Recovery CD fails. UEFI/ legacy BIOS problem

if you still have the Ubuntu installation CD, boot from that and choose to try it Live, instead of installing, once booted run disk manager and completly wipe your HDD, must be with unallocated raw space.Then try again with the recovery cd.If it gives errors again, you must check if the HDD has GPT boot record instead of MBR.

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I have a client that will be migrating to windows 10 and is try to find out if systems with legacy/UEFI bios can be switched from legacy to UEFI using HP bios configuration tool through a task sequence which ultimately will install win 10 64 also. Basically can this be totally automated.

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My son has upgraded Windows 7 32 bit 4gb ram pc to Windows 10 within offer period . He complains about getting this startup nag message option every time he boots up & feels he has already selected Legacy bios to be safe but that message option keeps reappearing every boot up. I only have a win 8 pc & dont get message so cant advise him. Help would be appreciated.

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Relevance 79.95%

Whilst trying to get my duel boot W10/W7 on separate drives to work (some of the issues of my own making) I read about switching of "Secure Boot".
I have a ASUS P8Z77-V LX motherboard and when disabling Secure Boot, I am requested to identify the OS in use, non being Microsoft, and regardless of which I pick, the system would not boot into either W10 or W7 with "OS not found"
However as suggested in other threads to get my W7 back up and running I just unplugged my W10 drive, and I use the BIOS "F8" to swap drives with my W10 drive as default.

Answer:Switching Off "Secure Boot" in BIOS / UEFI stops OS loading

Hi,
I believe one needs to delete the existing secure boot keys as well sometime just to be able to switch secure boot off.
Fast start too would need to be disabled.
You might also need to make sure other os is selected instead of boot uefi only.
Why does the ?Secure Boot Violation? appear when I enter my WINDOWS 7 OS? | Official Support | ASUS Global

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