Computer Support Forum

Wake on LAN won't boot to EFI, only legacy

Question: Wake on LAN won't boot to EFI, only legacy

Hi, i've tried everything, but there's no way to boot to EFI boot order from a Wake on LAN.It only boots to legacy boot order.Do you have any ideas? When using Intel Management Engine to wake up, all is OK. Thanks!

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Preferred Solution: Wake on LAN won't boot to EFI, only legacy

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Answer: Wake on LAN won't boot to EFI, only legacy

No one??

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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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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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Hello Lenovo Forum!This is driving me mad. I bought a SATA-to-USB3 Adapter to connect my SSD and HDD from my old computer and boot from them (I want to use the Linux on it). Yet I can't figure out how to do that. Secure Boot is off, Legacy Boot is on and yet - everytime I choose the drive in the boot menu, the screen goes black, there is a short drive access, and then I'm back at the boot device menu. I don't really know what to try now. Reimaging like most other threads here suggest doesn't help in that case because it's not a simple installation medium. What I tried aswell: Attaching the Adapter via a USB2-hub to check if there might be an issue with USB3 support. When plugged into my friends X230, both drives boot up perfectly fine and he can use them just fine. Any kind of help is highly appreciated.Kind regards,Iriya EDIT: Here the BIOS Options which I think are somewhat useful:Config TabUSB UEFI BIOS Support - Enabled (Tried turning it off, didn't helpSecurity TabSecure Boot: DisabledPlatform Mode: User ModeSecure Boot Mode: Standard ModeStartup TabUEFI/Legacy Boot: BothUEFI/Legacy Boot Priority: Legacy FirstBoot Mode: QuickRestart TabOS Optimized Defaults: Disabled

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Is there currently any way to configure a custom boot logo for UEFI booting? I can only find methods for Legacy users, but no luck with UEFI.

I'm kind of new to custom boot logos, so if anybody could give me some information as to if it's possible first?

Regards

Answer:Custom Boot Logo Windows 10 UEFI Boot Method? (Non-Legacy)

You can change the boot logo in UEFI mode by modifying the relevant ACPI table (BGRT) with an EFI application before booting. AFAIK, the only application for this is currently my own, HackBGRT. (Open-source and all, so I certainly hope this doesn't count as advertising.) Be sure to tell if you find any other choices.

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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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Is there currently any way to configure a custom boot logo for UEFI booting? I can only find methods for Legacy users, but no luck with UEFI.

I'm kind of new to custom boot logos, so if anybody could give me some information as to if it's possible first?

Regards

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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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Actually I installed various to lennox Distross into my laptop and finally it came to an end when the all of the system crashed after that I try to install a sum of operating systems that could fit my needs and install Fedora server edition server edition into my laptop but it but it didn't show any Desktop Environment so I was trying to install any other operating system which I was not able to do due to the way to my laptop was not supporting The Legacy Legacy boot because my laptop was not supporting the network boot option in The Legacy boot menu of my BIOD so I am suffering a great hope anybody could have clear my question and that whether house. It source exclamation mark near the network boot option so please tell me how to re enable my network boot In The Legacy boot option

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Hello, first post here...

First, some context: I have a Dell Inspiron 15R SE that came with Windows 8.

I've managed to get a working dual-boot system with Ubuntu 12.10. I can't remember exactly how I done that, but I remember that I had to disable secure boot. I think that the boot configuration those days was:
Secure boot: DisabledLoad legacy option rom: EnabledBoot list option: Legacy

This "configuration" worked perfectly for 6-7 months.

Then, one day (last week, can't remember the exact day), when I was using Windows 8 the computer crashed. I hard-rebooted and got this screen:

I've searched a lot, looking for solutions and after executed boot-repair from a Ubuntu LiveCD dozens of times I've decided to eliminate Ubuntu temporarily and focus to get a system with Windows 8 working nice.

Then I used my recovery DVDs to recover the system. Yup, Windows has booted. But when I restarted first time I got the same error. Then I, digging a solution, pressed F12 after a reboot and got here:

The highlighted option allows me to boot into Windows 8. So I went to boot options (F2) and changed the following configuration:
Load legacy option rom: DisabledBoot list option: UEFI

Now I can boot directly to Windows without need to press F12.

But my objective isn't complete. I want to erase all Ubuntu entries from the seconds image and restore the legacy boot from the first imagem (because they worked before).

I did two things:
I erased all partitions related to Ub... Read more

Answer:Recover legacy boot and remove old entries from UEFI boot

Are you booting the Start up Repair CD/DVD/USB in UEFI mode.



Try one of those.

From the desktop:
System Recovery Options - Boot to in Windows 8
From the Repair CD/USB:
How to do a Auto Repair:
Automatic Repair - Run in Windows 8
Note: You may need to do startup repair 3 to 4 times.
Startup Repair - Run 3 Separate Times - Windows 7 Help Forums

How do a Refresh:
Refresh Windows 8



How to do a Reset:
Reset Windows 8

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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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This has been widely reported in the BSD/Linux community for a few years, but unfortuately there is still no fix available with the latest BIOS update.  Are there plans to fix this? Thanks, Joseph

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Hi-Im trying to image  800 G2 SFF via USB drive.The boot menu will not show the the USB Legacy option.  It shows me UEFI for the USB, DVD and  hard drive,   also it shows legacy option for the DVD and hard drive.  My Secure Boot Configuration is set to Legacy Support Enable and Secure Boot Disabled.I have try clearing the secure Boot keys but the issue remains.  (USB Legacy Boot Option won't show in the boot menu)

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Hi, Trying to boot my T550 from a Linux (Zorin) installation DVD. Can read the DVD in windows explorer. - it looks ok Have disabled Secure Boot and switched fro UEFI to legacy. Used f12 to select the DVD drive to boot but all I get is a black screen with 3 symbols. The 1st looks like a ruler, then =, then a stick figure in a circle. Any ideas? Liz

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how to transfer the boot of windows from legacy support to uefi? 

Answer:trnsfer from legacy boot to uefi boot

Hi, It may depend on how the existing installation was performed - let me know the following. Hold down the Windows key and press R Into the Run window, type devmgmt.msc and hit enter. In Device Manager, expand Disk drives, right click the ssd and select Properties - select the Volumes tab and then click the 'Populate' button. What is listed as the Partition style? Regards, DP-K

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Hi, My pavilion 15 notebook was have windows 10. I try to install linux (dual boot) and change legacy boot mode. Not yet start to install linux and now i cannot boot my windows.  I did tried already F11 for factory reset and not working. I try to change my boot setup to default and no use still showing no os install. Please help me to get my windows back. I am from malaysia and is it able to get any "HP Recovery Media" ?

Answer:cannot boot after change legacy boot option

Any one help to get HP service center phone number?

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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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Question: Legacy not boot

New K450e always boots to UEFI; will not boot to Legacy.Need to boot to Legacy.CSM Enabled (to support Non-UEFI OSBoot Mode AutoBoot Priority Legacy first.Tested LEGACY ONLYPC would not boot with Legacy Only selected:No OS foundHow to force a Legacy boot?thankshime













Solved!

Go to Solution.

Answer:Legacy not boot

hi hime3i,
 
  A Legacy Boot will not work on an OS that is UEFI Installed.
 Reason why when you run a recovery CD you will have to select Legacy to detect the REcovery CD but after  Installation you will have to select UEFI again for it to work.
 
Can you share what is your purpose on a legacy boot? Maybe we can help
 
thanks
Solid Cruver
 





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Question: legacy boot

Hi  Just wondering how to enable legacy boot on the HP Elite slice it is stuck in uefi thanks

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I have two Dell Inspiron 3250 that are a month old. They are both set to legacy boot and I can boot Win7, Win10, MSDART, etc without issue. I just ordered an identical system and setup the BIOS/UEFI exactly the same as the other systems. The new box crashes when I try to legacy boot anything including the Win 10 install DVD and bootable MSDART thumb drive and even the hard drive from one of the working systems (all work perfectly on the other 2 systems). I can boot/install under UEFI boot, but I want to use legacy. The only difference between the new system and the 2 old is the BIOS version (old is 2.4.2, new is 3.3.6)

I tried to downgrade the BIOS with the Windows utility and also a DOS bootable utility. Both methods report that the BIOS is locked.

I talked to Dell tech support and they informed me that the BIOS cant be upgrades/downgraded on that system which makes no sense to me. He also said that 3.3.6 doesnt support legace boot, which also makes no sense and legacy boot is clearly still an option that can be chosen

I also tried the RAM from one of the other computers just to be sure it wasn't an issue.
The BSOD I get when booting Win10 install DVD, or with the Working Win10 install from the other computer is PAGE_FAULT_IN_NONPAGED_AREA

Can anyone shed some light on what is happening here with legacy boot, and why I cant up/down grade BIOS.

Thanks

Answer:Cant legacy boot any OS or installer

Check the motherboard in the new system. I suspect it has an upgraded motherboard and if it does, many new motherboards will not support anything other than Win 10. I have a new ASUS Z170 chipset motherboard (I just built a new system) and it ONLY supports Win 10. I had looked at an ASRock Z170 motherboard and it came with a special disc that would allow it to be Win 7/8.1 compatible.

The Dell Community (forum) would be a good place to post your question. Many user Dell experts there that help.
http://en.community.dell.com/

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how to enable legacy boot on HP Pavilion m6 1045dx  Entertainment

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I have two Dell Inspiron 3250 that are a month old. They are both set to legacy boot and I can boot Win7, Win10, MSDART, etc without issue. I just ordered an identical system and setup the BIOS/UEFI exactly the same as the other systems. The new box crashes when I try to legacy boot anything including the Win 10 install DVD and bootable MSDART thumb drive and even the hard drive from one of the working systems (all work perfectly on the other 2 systems). I can boot/install under UEFI boot, but I want to use legacy. The only difference between the new system and the 2 old is the BIOS version (old is 2.4.2, new is 3.3.6)I tried to downgrade the BIOS with the Windows utility and also a DOS bootable utility. Both methods report that the BIOS is locked.I talked to Dell tech support and they informed me that the BIOS cant be upgrades/downgraded on that system which makes no sense to me. He also said that 3.3.6 doesnt support legace boot, which also makes no sense and legacy boot is clearly still an option that can be chosenI also tried the RAM from one of the other computers just to be sure it wasn't an issue.The BSOD I get when booting Win10 install DVD, or with the Working Win10 install from the other computer is PAGE_FAULT_IN_NONPAGED_AREACan anyone shed some light on what is happening here with legacy boot, and why I cant up/down grade BIOS.Thanks

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We've got a couple of P51s delivered and having issues using legacy boot mode with Windows 10. They both have NVME drives and Windows 10 installer refuses to install to the drive as it says the BIOS doesn't support them. Any ideas or is it an issue with the particular NVME drives?

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Question: legacy boot option

Product number: N0X16AAR#ABAProduct name: 860-160seWindows 10 boot options do not show the usb stick that is plugged into a rear or top port.  USB is bootable operating system can see the usb stick ok another computer will boot from the usb stick why does the computer not show the usb stick and allow me to boot?  

Answer:legacy boot option

Hi: The only suggestion I can offer is to make sure the USB flash drive is plugged into a USB 2 port. It won't boot from a USB3 port. 

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Question: legacy boot issue

Hard drive went bad, replaced it with ssd. Wanted to install Linux Mint but can't change to legacy in the bios and uefi won't recognize Linux. Has there been a bios update to fix this? If not then what about the 8.1 operating system with no windows sticker to install a legal windows distro? How does one do a repair install?

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I am not sure which OS is on this unit so I am assuming it's windows 8. I want to load a linux disc to attempt a data recovery but I don't know how to enable the legacy boot option to boot from USB optical drive? The down arrow will stop at Network Adapter in the UEFI Boot Order. I have attached a screenshot of the BIOS, help please?

Answer:hp 11-n010dx legacy boot

Just enable Legacy Support and disable Secure Boot. If disabling Secure Boot gives you access to Clear All Secure Boot Keys, you may need to do that too.

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I switched my operating system or boot whatever to legacy over what it previously was and now I get a black screen with words I cannot understand, I cannot go back to windows or anything. Here Is a picture of the screen: click here

Answer:Accidentally switched boot to legacy

Its trying to boot from a network drive.
This message often appears when BIOS cannot find a Hard drive or SSD to boot from or the boot files become corrupted.
CAn you get into BIOS? Either switch back to legacy boot or check that your HDDs are all showing in BIOS and first boot device is set as USB or CD drive so you can boot from a repair or windows iso. drive.

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If your PC or laptop supports UEFI and legacy mode then the following tips may help you. Legacy enabled:If the bios setting is legacy enabled then hard drives and USB devices will normally boot.  If you are using two independent hard drives that are not connected by boot manager then the UEFI boot hard drive will always boot first before the legacy hard drive unless the bios allows you to change the boot priority. Legacy disabled (UEFI mode):If the bios setting is legacy disabled then only UEFI devices will boot.  You may run into no hard drive selection menu, no boot option menu or Boot Device not Found followed by a message Hard Disk (3f0). USB flash drives boot considerations:If you wish to boot up a USB flash device using Windows 7 repair, Windows 8 repair, Windows 7 or Windows 8 installation media then be sure to create the flash drive formatted as FAT32.  You may notice a bootable flash drive showing twice in the boot menu, one marked UEFI and one not marked UEFI.  Both will boot up. The popular MS Windows 7 USB WIndows installation media creation tool will create a NTFS flash drive using a Windows 7/8 iso file in NTFS format which is not bootable in UEFI mode. It works fine in legacy mode.  To get around the NTFS issue, create the flash drive in NTFS then copy the contents to your hard drive, quick format the flash drive to FAT32 and then copy back the contents back to the hard dr... Read more

Answer:Boot UEFI or Legacy ---- tips

Thank you for this sir.   I have legacy enabled and I still can't boot from the DVD ROM even when I press f(9).  I have secure boot turned off.  Anyone know what the problem is?  

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ok it was working fine running windows 8.... i went into the bios and enabled legacy mode afther doing this now the laptop will not boot.. the screen reamines black... the power light comes on the fan turns on but nothing else happenes. thing i have tryed.. i tryed resetting the cash but did nothen i tryed holding the windows botton and the b key.... this is my my caps lock light flashes twice in blue....   

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Hi everyone, I'm trying to set up a dual boot on my X220, but can't seem to get it working.I tried to follow the tutorials available on ThinkWiki about SSD partitions and optimization, but it didn't work.Also, I'm a bit confused between MBR and GPT, and UEFI and LEGACY, and Syslinux and Grub.From what I read, it seems we're supposed to use GPT partitions with UEFI boot, which is what I'm trying to set up. Have any of you successfully set up a dual boot Linux (Arch) + Windows (7 home) on SSD and HDD?If so, could you give me the options you chose for partitioning and boot? I'm thinking about a UEFI boot with GPT partitions.For Linux, / (root) and /home on the SSD, and var on the HDD.For Windows, I don't know. Should I install the whole OS on the SSD, and give it access to a DATA partition on the HDD? I'm aware my post doesn't provide much information about my issues, but what I'm looking right now is a configuration that is known to be working on the X220, and on which I can focus my work. Also, the configuration should minimize the number of read and write on the SSD. Thank you 

Answer:Dual Boot on SSD + HDD: MBR/GPT? UEFI/LEGACY?

I'm not too used with uefi machines, but what I'm doing usually is to install grub at the start of the linux partition, not on the mbr (say  on /dev/sda3 not on /dev/sda) then I use easybcd (from windows) to add the linux partiton (and any other OS) to the standard win7/win vista bootloader.

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Just booted up the laptop and got this error message:efi network 0 for ipv4 lenovo Like a complete moron I googled the problem and followed what it said in a thread on here. The HDD wasn't detected and someone mentioned on here to change the BIOS to Legacy now when I start the computer it constantly boots up to an error screen and restarts.  Help!


























IMAG0123.jpg ?2385 KB

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Hi there, Here is the issue. About three days ago, I wanted to reformat my Laptop. I was on Windows 10 at this point. For some stupid reason I downgraded to windows 8.1.... Luckily for me I have a save of windows 10 on my usb. So the problem is that I don't know how to access the parameter for unlock legacy boot order in Bios.Yes I know that I have to enable it in the Bios but I browser all over Internet to see example of this case whit this specific Bios cause it's not like Phoenix Bios or Insyde Bios... That is why I ask you directly how do I activated that to change legacy boot order ?  Thanks very much for the reply !Asher0004  Here some specific info about my computer : MiniToolBox by Farbar  Version: 17-06-2016Ran by Julien (administrator) on 01-08-2016 at 11:44:50Running from "C:\Users\Julien\Downloads"Microsoft Windows 8.1  (X64)Model: HP ProBook 650 G1 Manufacturer: Hewlett-PackardBoot Mode: Normal***************************************************************************========================= Flush DNS: ===================================Windows IP ConfigurationSuccessfully flushed the DNS Resolver Cache.========================= IE Proxy Settings: ==============================Proxy is not enabled.No Proxy Server is set."Reset IE Proxy Settings": IE Proxy Settings were reset.========================= Hosts content: ========================================================== IP Configuratio... Read more

Answer:Legacy Boot Order in Bios

@Asher0004? Go to Advance then Boot Options. BIOS Simulator here. http://h20464.www2.hp.com/results.htm?SID=5405400&MEID=C5343471-BBE6-4005-9DC8-0E40D6D060FB REO

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In "User Guide" - page 28 there is instruction how to change Boot Mode to Legacy, but it's not work. Option <UEFI> is inactive.Yoga 2 11 BIOS is pure UEFI like Miix 10 (link) ?Why you doing this? How to install Windows 7 or load memtest?

Answer:Yoga 2 11 - how to boot in Legacy Mode?

Hi In the bios menu there is an option to choose default OS change that to 'other OS'. Then choose item above to reset to default values. once you do that you should then be able to find an option the change the boot type to legacy. sorry if that is not 100% correct but i dont have the screen in front of me. i am still struggling to boot to usb though. once i have set legacy boot mode, turned off fast boot, i expected to see my usb sevices in the boot menu but none of them are recognised. Please let me know if you manage to get it working. ThanksC

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I'm using y50-70 .now I can't boot from any bootable USB in Legacy mode..I tried :1 - Disabling secure boot .2 - Changing boot mode to Legacy Support .3 - Disabling Intel Virtualization Technology .4 - Recopying the OS image on the USB several ways .5 - Changing USB .6 - Copying different OSs images on the USB ( tried win 8.1 , Ubuntu & Yosemite )7 - All OSs images used are working perfectly on other devices and working also on VMware.8 - Changed defaults in bios from "win8os" to "other os" .----------------------notice that I've tried Ubuntu bootable USB in EFI mode it booted successfully O.o***********My current specs. :OS : Ubuntu LTS 14.04 on installed with EFI***********my main target now is to boot my USB in Legacy mode ?

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Hello everyone I just purchased an 800 G2 computer with windows 10 pre-installed. I am trying to enable the legacy boot options in the BIOS but the box I have to tick is greyed out, as well as the "tick" box for UEFI boot options Can somebody please help me enable it? Many thanks

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Hello! I have a problem with my new Acer V 15. I want to boot from a USB pen and for that i realized that i need to turn off the UEFI boot mode and start legacy mode, after that i was unable to boot with my hard drive, it shows an error with patents and more random stuff. Any clues what i need to do? I want to install some linux distributions that  want to test. Thanks

Answer:Can't boot Windows 10 in Legacy mode

UEFI is needed on your actual windows 10 installation. most of Linux distribution can boot on UEFI settings too, you just need to "burn" the .iso file using Rufus, setting EFI/UEFI only as partition scheme and format FAT32.

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After disabling Secure Boot and restarting my P50,  I do not have the option to select a Legacy boot in the BIOS Startup tab.  The UEFI/Legacy Boot option is disabled and shows UEFI Only. Any help is truly appreciated.  Thanks.

Answer:P50 BIOS 1.35 not allowing Legacy boot

BIOS screenshot

























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First off, I apologize if this may be posted int the wrong section, I could not find another section that would suit this content. And also, I apologize if this sounds stupid, I don't like staring at the Acer logo when I turn on the computer, and cannot find a way to turn it off in the BIOS.

Anyways, my computer can legacy boot, and I was wondering if I could convert my GPT drive to MBR than simply Legacy boot off of the same drive? Is this easy to do, or is it hard? Thanks in advance for your time

Answer:Is It Possible To Convert GPT to MBR Than Legacy Boot Windows

The easiest way to do that involves two hard drives. Do you have a second hard drive large enough to contain the contents of the in-use hard drive?

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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??













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Answer:Legacy bios boot vs uefi

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

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I'm having HP all in one 18-5120in model desktop pc it is  windows8.1 os preloaded pc, now i want to install windows7 in it for that  i have tried to change legacy boot to enable in bios..but there is no option for me to change legacy boot enabled in bios..there is only secure boot enable/disable...what can i do please any one help me to solve this issue... thank you

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Help! Kids messing on laptop running Windows 7 and the Legacy was disabled (that's the only word they can remember) out of the system setup before windows actually loads (he presses
ESC). Now compaq laptop says the 'boot device is not found' and to 'please install an operating system on your hard drive'.

What do I do?

Help please!

Answer:Legacy boot disabled and I'm stuck

Welcome Hannlp,


Power On & start tapping the F2 key to see if you can get the enter Bios setup.

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My hard disk is broken but the computer can't boot from my new replacement hard drive.  I have checked the Bios setting and the legacy boot option is locked.  I disabled secure boot but it still doesn't allow  me to enable legacy boot.  I downloaded the updated BIOS .exe (sp70481.exe) file from HP website but I am not sure if I can flash the BIOS using that file.  Is there anyway that I can enable the legacy boot option so that I can boot from my hard disk?  I appreicate any advise and suggestion.  Thank you.

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Hi, My comany is purchasing HP EliteDesk 800 G2, some comes with HDD and some with SSD.We deploy Windows 7 x64 using SCCM using legacy boot. On a machine with HDD installed I can configure the boot options to use legacy boot, but when I replace the disk to a SSD drive the only boot option for this drive is UEFI.That causes the deployment to fail because the drive need to be partitioned as GPT.On the other hand, if I disable legacy boot, PXE boot to UEFI and partition the disk as GPT, after the image deployment the disk is unable to boot with 0xc000000d error (I imagine the cause is Windows 7 support becuase it does work on Windows 8.1). Bottom line, I can install Windows 7 on a HP EliteDesk 800 G2 only if legacy boot is enabled and I partition the disk as UEFI.Is there any way of forcing the SSD to boot as legacy and not UEFI?Is this issue caused by the workstation or is it enforced by the SSD? thanks.

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Hello! Is there a way of enabling legacy boot mode in HP ProBook 470 G4? The options in the UEFI allow only for changing SecureBoot from enabled to disabled. What I need is to boot from a USB key with Linux or from a DVD with Windows 7. Thanks for your help. Amos

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Just booted up the laptop and got this error message:efi network 0 for ipv4 lenovo Like a complete moron I googled the problem and followed what it said in a thread on here. The HDD wasn't detected and someone mentioned on here to change the BIOS to Legacy now when I start the computer it constantly boots up to an error screen and restarts.  Help!


























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Answer:laptop stuck in legacy boot, help?

Hi there, Miserablerbro                       -
 
Thank you for writing in to the Lenovo Forum - happy to have you here today.
 
This may be cause by a wrong Boot Order or the HDD technically cannot be detected by your computer causing it to boot to other media.
 
Can you first try doing a Power Drain:
Remove the AC Adapter from your Computer if the battery can be removed, Remove it as well.
Hold the Power Button down for 15 sec.
Reconnect Everything, Turn on the Computer and start hitting F2 or Fn + F2
This will boot the system to BIOS
 
If you cannot find the HDD in there, try re-seating the HDD
 
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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I've been wondering if it's possible to use the legacy (Windows 7 and earlier) BIOS instead of UEFI in Windows 8.1. In my BIOS settings, there is an option to enable the legacy boot mode, but Windows won't boot whenever this is enabled (I get the message 'Operating System not found' instead). Is there any way to enable this?

NOTE: I am not talking about secure boot; I already have that disabled.

Thanks in advance.

Answer:Use legacy boot mode in Windows 8.1

Also, I'm using a Dell Inspiron 15 laptop in case that matters.

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My E220 cannot boot in legacy mode on disk with GPT Partition or Hybrid MBR+GPT Seems Phoneix Securecore Tiano BIOS refuse to boot in Legacy mode if GPT partition found even BIOS was set to only boot in Legacy mode. Is there any way to force BIOS boot using MBR bootsector in GPT disk ?

Answer:Legacy Boot on GPT and Hybrid MBR/GPT Disk

How do I create a hybrid MBR+GPT disk like that?

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I a while ago i installed windows 10 Pro on my Usb 3.0 External HDD and when i installed it and then booted using legacy i get very slow hard performances which makes the whole system slow basics task only using 2.2 mbs and it using 100% of the Disk PLS Help TY

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I have disabled the secure boot option and enabled the Legacy boot option which allows me to boot from USB stick. However, UEFI takes precendence over Legacy boot and I don't want that. For a little school project that we are running we want to run the educational OS Sugar on Stick(on a USB stick) to run straight from the stick instead of kids pressing 3-4 different buttons to get to that.  In short, I want to change boot priority from UEFI first to Legacy. Let me know how to do it? Whether its possible or not? If not, then I don't need these 4 laptops that I ordered and I will return the laptops. Thanks a lot in advance. -Ritesh

Answer:UEFI vs Legacy Boot order

Follow these instruction on how to properly disable secure boot:http://support.hp.com/gb-en/document/c03653226

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Hi,

I just bought a new Acer one 10, with 2 Gb RAM and 32 Gb Hdd. !! 32 bit. !! it came with preintalled win10.

I really need to get rid complety of Win 10 and install Win 7. I have tried RUFUS and several WIn 7 .iso, and turned off secure boot but although you can choose boot order, there is no way that the pc will recognice bootable DVD or USB and during boot it just goes straight to win10. So it seems I am stuck with Win 10 for ever...also the Bios (UEFI) setup has not any option to choose "legacy mode"...

Please help me to wipe off for good this dammned Win 10 and install win 7, any 32 bit version would do.
Thanks

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Hello,I have an issue with a ZBook 17 G3. Context :I am trying to deploy an image created by Microsoft SCCM, and to make it work I have to boot with an USB key in Legacy mode. Issue:  When I boot in legacy with the Usb key, I get the following error : There isn't enough memory available to create a ramdisk device Why ? The laptop have 64GB of RAM, the BIOS can see this amount so there is no hardware problem.Is there any BIOS option to enable ? I already tried a lot of different options & it is not working.  Regards, Thomas VAXELAIRE

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W7 PC wakes up from sleep every few minutes. It didn't use to. I am the builder / owner / sole user. Investigation done so far at the DOS prompt to establish the cause:

powercfg -devicequery wake_armed
(no results returned)

powercfg -waketimers
There are no active wake timers in the system

powercfg -lastwakeWake History Count - 1
Wake History [0]
Wake Source Count - 0Other ideas to try and establish the cause with please?

Many thanks.

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I have an Acer Aspire M5481T with a SSD 20Gb + 500Gb HD. When I bought it, I made it dual boot resizing it partition inside Windows and then installing Ubuntu. Ok, worked fine for last months. Now, after getting some bloatware that turned my dev tools broken, I needed to make a clean Windows installation. After playing around with its SSD, I opted to use the factory restore of the system. It gave me a "clean" Windows installation but, as expected, I lost grub as the boot manager. Trying to restore it, I changed the boot mode do Legacy instead of EFI. But now, I am not able to enter BIOS again, and I don't know which is the current boot order, as it only gets "frozen" in the Acer logo with options to enter Set-up with F2 or Boot Order with F12 (but no one of this options works). I tried to start with a Windows 8 installation disk, an Ubuntu installation disk or even a bootable USB (with Windows 8 and Ubuntu), but none of this options seems to be working. Anyone knows something I can try before attempting to send it to repair? Maybe a way to reflash or reset BIOS?

Answer:Acer Legacy Boot Bug - Cannot boot anything

Try pressing and holding the Fn key, then the Function key (ie F2 or F12).

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After installing an HP BIOS update about a week ago I can't boot the way I've been booting the laptop. HP offered through the support assistnt application a BIOS update. After installing that update, when I boot I am taken to a blue screen that appears to be from the BIOS firmware in the laptop telling me it can't find a certain file needed to boot. It always has booted without issue before that update. I rolled back the BIOS update and it still did not boot, so I have switched to using legacy support in BIOS with the hard drive the first boot option instead of using the HP Boot Manager option. It works fine with this arrangement but I thought I'd post this here to let others know that updating their BIOS may lead to a similar issue, and also wondered if anyone has addressed this issue on their laptop. Thanks!!!Donald

Answer:Will not boot with HP OS boot manager but does with legacy ...

Hi @t2000kw,Thanks for becoming a member of the HP Support Forums. I understand you are having an issue with a blue screen when booting. I will be glad to help you.Please post the full product number of your computer. See the following, if you need help with that information.How Do I Find My Model Number or Product Number?Please get back to me with above information, so I can help you better.

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BootMenupolicy legacy - gives you F8 boot menu option

Displaybootmenu = yes Gives you the black dos screen

the only thing I see is your time out setting






Windows Boot Manager
--------------------
identifier {9dea862c-5cdd-4e70-acc1-f32b344d4795}
device partition=Z:
path \EFI\Microsoft\Boot\bootmgfw.efi
description Windows Boot Manager
locale en-US
inherit {7ea2e1ac-2e61-4728-aaa3-896d9d0a9f0e}
integrityservices Enable
default {b06b2c79-b30a-11e4-bb97-c58b0fcabaaf}
resumeobject {89e72e23-1ed8-11e5-824f-8a7b995d7688}
displayorder {65844fab-c669-11e4-829f-806e6f6e6963}
{b06b2c75-b30a-11e4-bb97-c58b0fcabaaf}
{b06b2c79-b30a-11e4-bb97-c58b0fcabaaf}
{f51969aa-e80e-11e4-aecc-e5371078d8e9}
{89e72e24-1ed8-11e5-824f-8a7b995d7688}
toolsdisplayorder {b2721d73-1db4-4c62-bf78-c548a880142d}
timeout 10
displaybootmenu Yes

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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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I have an old Dell Vistro

I cant boot to Tails USB. I plug it in and turn it on and immediately it freezes on the Bios splash screen. The info I've found is it should work fine because of legacy (normal). If the USB thumb drive is not plugged in I can F2 F8 F12 all day long. I used the Tails tutorial to create. Are there any step by steps for fixing the issue Tails is based on Debian.

Thanks in advance.

FYI I created a Windows 8.1 repair USB I can't boot to it either.

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I have Enabled the Legacy boot option also the boot priority has been set to USB but when I am trying to select the boot option only Boot from Efi file and Boot from notebook hdd option is available. There is no option for selecting the USB drive from which I am trying to boot the laptop.  Please suggest solutions for this my Laptop has no OS now and I am trying to boot from fedora Live USB for taking Backup. 

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I have been attempting to Enable Legacy boot and Disable Secure boot on this machine for a few days now.  My current BIOS version is N01 2.15.  It is the oddest thing.  I am able to make some changes, save and have them succesfully change...but I cannot get legacy to enable and save.  Steps I have taken: - Cleared Secure Boot Keys - Reset- Selected Legacy Support Enable and Secure Boot Disable - Reset- Go back to BIOS --> Boot Options -->Attempt to Uncheck UEFI Boot Order (Unable to) --> Check to see if Legacy Boot is available and its a no go- Then I go back to the secure boot options and verify that none of my changes saved.  I am attempting to get these machines to PXE boot to grab our company's image, but I need Legacy boot enabled to do it.  After several attempts to get Legacy to enable I resolved to just try to PXE boot BUT can't do that as well as it says the "selected boot image did not authenticate."  Of course the fix I found for this was enable Legacy Boot....which I can't do. I tried a different method and still no different results. - Updated BIOS to V 02.15- reset back to factory settings in the main menu- back into bios, set password --->reboot- back into bios disabled bootable devices usb and cd rom - went to secure boot options and selected in the drop down "enable legacy and disable UEFI boot" -->reboot- back to bios to the check box next to legacy in the boot options menu ... Read more

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The message that pops up "If you select this option your OS may no longer be bootable" is making me reluctant. So before I go ahead and enable this Legacy boot thing in order to boot from DVD... is this OK?

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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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Hi, I installed WIndows 10 using UEFI but  couldn't disable Legacy support boot mode in the BIOS.If I disable Legacy support the PC will beep 6 times and red led flashs on the power button. I don't know if anyone had encountered this problem before or have a solution for it? Help please! Cheers  

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I get the following error when I boot from a Win 7 Pro 64-bit disc. GPT-Formatted disk Legacy boot not supported. I have a EliteOne 800 G1 AIO desktop. The HD has Win 7 Home Premium currently. I want to wipe it and install the Pro version. I've changed the boot order and I put the CD into another computer and booted up just fine.  When I hit F9 to bring up the boot menu and I select the CD drive I get the error message. Legacy support is enabled and I have disabled UEFI under Storage in the BIOS. Any suggestions are appreciated on how I can boot from the Win 7 Pro disk. Thank you for looking. 

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it was windows 7 but now is windows 10 but please help me .

Answer:How to disable secure boot and enable legacy pls help

@AllAroundGaming? System, one of:"Hp pavilion h8-1230" (6)  Based on the following:HP Pavilion HPE h8-1230 Desktop PC Product SpecificationsandHP and Compaq Desktop PCs - Motherboard Specifications, M3970AM-HP (Angelica2) See the following document for the explanation:HP and Compaq Desktop PCs - BIOS Settings for the Angelica and Angelica2 Motherboards Section BIOS > Security Menu When you see a Post that helps you,Inspires you, provides fresh insight,Or teaches you something new,Click the "Thumbs Up" on that Post. Fixed / Answered? Click that post Accept as Solution to help others find Answers.

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I bought a brand new HP Pavillion 17G053US from Office Depot.
It came with OEM installed win 8.
I did a fresh install of win 8.1 pro x64.
I had to do this with Legacy Support enabled, and secure boot disabled.
I used an 8 GB USB 2.0 stick for the install, the win 8.1 iso image was applied using rufus 2.3.
During the install, I reformatted the HD, removing all the OEM partitions.
I also used diskpart to convert the format of the HD from GPT to MBR.
The installation seems successful, except for a strange WLAN issue (extremely limited range despite loading the drivers).
I would also like to boot in UEFI to benefit from the faster start up times, etc.
BUT if I change the BIOS config by disabling legacy support, then it will no longer boot from HD.
The resulting error message says something to the effect of "please install an OS on the HD"
I suspected that perhaps this may be due to my converting the HD format from GPT to MBR,so I converted back to GPT, reinstalled, and still, must boot with Legacy support enabled....
 
Any suggestions?
Thanks in advance,

Answer:won't boot unless BIOS Legacy Support is enabled

Hi jfirthsouth What are the options you used on RUFUS to create your bootable USB?

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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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I want to boot from USB drive to install Linux. I  have updated latest BIOS released on March 2017 f16 rev A https://support.hp.com/us-en/drivers/selfservice/hp-pavilion-10-n100-x2-detachable-pc/8499312/model/... however, I can only disable secure boot with no option to enable legacy mode. The boot menu (F9) only allows me to boot into Windows or from EFI file

Answer:how to boot into legacy mode for Hp Pavilion 10 n100na? (for...

Hi,Can you take a snap of the BIOS setup screen you're seeing and post it here?RegardsVisruth

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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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Answer:How to disabled secure boot and enable legacy

Hi, Shutdown the notebook. Tap away at the esc key as soon as you press the power button to enter the Start-up Menu and then select the Bios Menu ( f10 ). Under the System Configuration tab, expand the Boot Options Menu. Here you should find the option to set Secure Boot to Disabled and Legacy Devices to Enabled. When done, press f10 and select to save the changes. You may then have to enter a 4 digit pin displayed on the screen to confirm the setting changes ( note that you will not see a display of the numbers as you enter tham ) - enter the code and hit enter. Regards, DP-K

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Notebook g505s hangs up on booting installed linux kernel by grub2 with legacy boot option in bios. Also hangs up on booting Windows7 by grub2 in legacy boot mode. Single installation of windows boot's OK.  If used UEFI boot and EFI installation of linux and Windows8 all boot's OK. Steps for reproduce:1. Enable legacy boot mode in bios2a(optional). install windows72b. Install Ubuntu or archlinux (MBR disk partitioning)3. Reboot for booting from HDD4. Select OS for boot. Also hangs up on boot of installation win7 disk's in UEFI on disk.sys. In legacy mode win7 install disk boot's OK. Looks like bios legacy boot code not fully implemented.

Answer:Lenovo G505s legacy boot problems

hi Zidane,
 
Welcome to the Lenovo Forums.
 
Prior to installing Windows 7 or Linux, are these the settings that you've changed in the BIOS (if applicable)?
 
Security Tab:
Secure Boot = Disabled
 - Link to picture
 
Boot Tab:
Boot Mode = Legacy / Legacy Support
Boot Priority = Legacy First
 - Link to picture
 
Exit Tab:
OS Optimized Defaults = Other OS / Disabled
 - Link to picture
 
If not, can you please set them accordingly and observe.
 
 
Regards

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Hi, i have the same problem as mentioned in some other threads on the forum:http://h30434.www3.hp.com/t5/Notebook-Operating-System-and-Recovery/Can-t-change-BIOS-settings-after... or http://h30434.www3.hp.com/t5/Notebook-Operating-System-and-Recovery/Can-t-change-BIOS-settings-after... I need to setup a PC to Win7, that has a trial Version of Windows 10 installed. My Bios Version is HP M60 2.14 and unfortunately, some bios options like legacy boot are greyed out.This means that I cannot use my Win7 USB Stick nor the DVD.I have setup an administrator password and also an MEBx password, but am not able to enable these options. In contrast to these other threads, where the solution was to login as guest user and then enter the admin password, i do not get an login option before or in bios. I can startup directly into the Bios Options, but cant find an option to switch user. Thank you for your help!   

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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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I have been attempting to Enable Legacy boot and Disable Secure boot on this machine for a few days now.  My current BIOS version is N01 2.05 11/11/2015.  It is the oddest thing.  I am able to make some changes, save and have them succesfully change...but I cannot get legacy to enable and save.  Steps I have taken: - Cleared Secure Boot Keys - Reset- Selected Legacy Support Enable and Secure Boot Disable - Reset- Go back to BIOS --> Boot Options -->Attempt to Uncheck UEFI Boot Order (Unable to) --> Check to see if Legacy Boot is available and its a no go- Then I go back to the secure boot options and verify that none of my changes saved.  I have tried rolling the Bios Version back to 2.04 but that didn't make any difference so I put 2.05 back on it. I am attempting to get these machines to PXE boot to grab our school district's image, but I need Legacy boot enabled to do it.  After several attempts to get Legacy to enable I resolved to just use our Win7 Ent disk BUT can't do that as well as it says the "selected boot image did not authenticate."  Of course the fix I found for this was enable Legacy Boot....which I can't do.  I have looked through the forums and found a few possible solutions, but none of them have worked.  Please help!













Solved!

View Solution.

Answer:BIOS Refuses to Enable Legacy Boot

Thank you for the reply.  I ended up doing the following, which worked finally(not sure why):- Updated BIOS back to V 02.05- reset back to factory settings in the main menu- back into bios, set password and ownership tag as needed by the school district i work for--->reboot- back into bios disabled bootable devices usb and cd rom (as is school district tech policy)- went to secure boot options and selected in the drop down "enable legacy and disable UEFI boot" -->reboot- back to bios THIS TIME the check box next to legacy in the boot options menu was available.  I checked the box and was also able to uncheck UEFI boot -->reboot- f12 to PXE boot and like magic it finally worked Again, this is very similar to the process I tried in the begining the only difference was the amount of reboots it took to get it accomplished.  I did have a similar issue with another 800 G2 and no matter what I did it would not PXE boot so I rolled the bios version back to 02.04, restored factory settings and did the process I just oultined above.  AND IT WORKED on that machine.  It is an inconsistant issue we are having with the 50 or so 800 G2s our district purchased this last month.   In any case we are able to get these machines to PXE boot using one of the two methods I just mentioned.  So we're good for now.  Thanks again for your reply.

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I'd like to change it to UEFI because it boot faster than legacy. But whenever i change it it shows no bootable device. Also i would like to ask what's the difference between the two

Answer:I have installed windows 10 in Legacy boot instead of UEFI

Convert Windows 10 from old MBR (BIOS) to UEFI : Windows10

Convert Disk between MBR and GPT in Windows 10 without Data Loss

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I have Windows 7 and Windows 8 Dual booted on my machine. I want to have win 7 as the default so the the legacy bootloader is needed to boot win 7, but what I can't understand is why the bootloader timeout has disappeared and the system waits until I make a choice. I have checked with bcdedit and the timeout is correctly set at 5 seconds, but when I boot the timeout does not appear.

Have tried repairing with Windows 7 boot disk which gives me back the timeout but then Windows 8 can't boot if selected. Very frustrating. Has anyone else come across this?

Answer:Dual Boot - No timeout in Legacy Bootloader?

Are looking in the right place.

Startup Options - Change Time to Wait before Default OS Runs

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It's still working. Opening CMD (admin) and typing or pasting bcdedit /set {default} bootmenupolicy legacy and pressing Enter. You need to reboot before trying. One difference I found was it wouldn't work with a restart. Tried twice but no go. On shutting down and rebooting then it worked. Might be my set-up; just another non earth-shattering tip :)

Answer:Windows 10 and legacy F8 for Advanced Boot page.

Thanks
sorted it once it decided to work as admin, otherwise it kept throwing up errros.

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I own a Acer F5 573g-59V4. My laptop windows under went a problem, so I had to reinstall it. I installed windows using a bootable pendrive. My laptop didn't boot from my pen drive in UEFI mode, so I changed to legacy mode and installed windows. Now, I want to change to UEFI mode.Now, when I changed from legacy to UEFI in BIOS, it doesn't boot windows, instead it shows " No bootable device detected "What to do ????How to change to UEFI mode without affecting my windows ?

Answer:Changing boot option from legacy to UEFI

Hi,You have to install the OS in UEFI mode, follow the instructions here:https://www.reddit.com/r/Windows10/comments/3s7ieq/convert_windows_10_from_old_mbr_bios_to_uefi/

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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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bios date 7/6/2015 :Booting Tahr64-6.05 CD in Legacy mode works, but in ufei mode vesa driver extensions not loaded, so no video.   when installed on hdd or usb key--not detected no OS installed or a grub prompt,  when installing grub, boot flag not detected, bootstrap.* not installed on hdd nor usb.  pretends not enough room on ext2 format.  what am I not doing?

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Hello,

I have an Asus U46E laptop (circa 2011) originally purchased with Windows 7 Ultimate 64Bit and problem free. It's since been upgraded to Windows 10 Pro 64Bit v.1607 and in all respects but one seems to be working fine. It won't launch from a rescue boot disk in the D: disk drive.

I researched as much as I could about this issue and the PC's System Information shows the BIOS Mode is Legacy and Secure Boot is Unsupported. My boot-up order shows device before HDD and every reboot confirms the disk drive is being accessed and spins the disk before moving on to the HDD. This issue apparently has something to do with Windows 10 UEFI and its Secure Boot feature, which also speeds up boot-ups.

I've tried every combination of boot-up keys, F2, F8, F10, F12, with and without shift+ and also tapping the F key or holding it down. Shift+ Restart F2 gets me into the UEFI Settings>Troubleshooting>Advanced>Startup Options> Restart but it still won't boot to the rescue disk or into any BIOS-like menu. It just continue to boo up the the HDD with Windows.

The bootable rescue disk which was accessible before updating from v1511 to v1607 was by Acronis. Now I've switched to Macrium Reflect and have created bootable rescue disks with WinPE v.10, v.5 and v.4 to see if the lagacy detail would help. None work.

I think the solution is to get into the BIOS (not sure if UEFI is BIOS) or the UEFI and turn off Secure Boot or Fast Boot but I don't see how or at least it's not follow... Read more

Answer:How to fix boot to disk in Windows 10 v1607 with legacy BIOS

From a Command Prompt (Admin) run:

shutdown /r /fw /t 00

(those are number 00 not letter O)
What happens?

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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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Gateway P6860FX
RAM 4gb
Processor 2.4ghz
Graphics Nvidia 8800m

dual boot
OS Windows7 Ultimate
OS Ubuntu 11.04

The other day when I got up I noticed that my laptop was rebooting after the splash screen. I thought that my mobo was fried. I had a similar thing happen once when I was altering the BIOS settings and changed one of them to compatibility (I don't remember which one it was but was regarding the HDD mode) anyway I went into the BIOS and changed the legacy support to disabled and the system booted fine. Does anyone know what happened? Was there an update that could have caused this or possible virus? or has my mobo started to die? I realize that I need to add more info before I can get to the bottom of this so please let me know what I need to post for info. Thanks
 

Answer:Solved: Legacy support causing problems with boot

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My Lenovo G505 laptop running Windows 8.1 gave me error messages that say:"EFI Network 0 for IPV6 boot failed.""EFI Network 0 for IPV4 boot failed.""Default Boot Device Missing or Boot Failed. Inset Recovery Media and Hit any key. Then Select 'Boot manager' to choose a new Boot Device or to Boot Recovery Media"Then it goes to the boot option menu and gives me a list of the two boot options:"EFI Network 0 for IPV4""EFI Network 0 for IPV6"with no option to select the HDD despite BIOS being able to detect it.I changed the boot mode to Legacy Support from UEFI, and this time on the boot option menu I got a choice to boot from the HDD or the ODD. When I chose to boot from the HDD I got another message saying "Check cable connection!" PXE-MOF: Exiting Intel PXE ROM."I tried to boot Ubuntu from a flash drive and from a CD, but I still got the same result as when I tried booting from the HDD.I think the problem is that my Laptop won't boot in legacy support, but when I use UEFI I only have the option of booting from the network. I have no idea how I could fix this, so any suggestions are appreciated.

Answer:Lenovo G505 Will not boot in UEFI or Legacy Suppor...

hi MattQE,
 
Welcome to the Forums.
 
Just to verify, is the unit originally Windows 8 and this problem occured after you upgraded to Windows 8.1? Any changes that you made to the machine before the problem occured?
 
From the looks of it, this seems like a hardware failure but can you try the following:
1. Boot into the BIOS and set the following options (if applicable):
 
Security Tab:
Secure Boot = Disabled
 
Exit Tab:
OS Optimized Defaults = Other OS / Disabled
 
2. When done, press Fn+F10 to save and exti and observe.
 
 
Let me know how it goes.
 
Regards

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I have upgraded bios from F.0D to F.08.Now I cannot boot because the legacy boot option is missing. Where can I get the old bios version and how can I flash/downgrade it? Or how can i enable legacy boot?

Answer:notbook hp250 g2 mising legacy boot option

dtdrvt Restart the System push F10 for the Bios Go to System Configuration / Boot Option Disable Secure Boot Activate Lagacy Boot Save it F10 Restart confirm sign on the Display It Works  

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Hello,
I have MSI UEFI Mobo, when I try to boot on my Hard Drive in BIOS, it gives me: "Restart and select proper boot device" but I can boot using UEFI Windows Boot Manager, so I want to add legacy boot besides UEFI Boot. Thanks a lot.

Regards,
addas

Answer:Q:Add Legacy Boot Windows 8.1 in UEFI Motherboard(GPTDisk)

Hello Addas,

If you like, you could use the tutorial below to disable the modern "Choose an option" screen to have the old legacy "Windows Boot Manager" while still using UEFI firmware.

Startup Options - Enable or Disable in Windows 8

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I have a conputer with windows 10 in default but i downgraded it to win7 because i like win7 more than 10 so i change the boot from uefi to legacy but since my drivers arent compatible i try to change it back to win10 using the iso i downloaded from microsoft sites, and i burn it using rufus. But it cant be recognize in uefi. Need help asap

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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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Hello, I am having an issue with downgrading to Windows 7 and It's not nearly as easy as normally installing an OS. I get to the expanding files screen, and once the system reboots it goes back to the Windows 7 install screen. This is an issue, because it should continue with the installation. Does anybody know why this would occur or how to fix it? I'm sure there's likely something I missed. This is rather urgent, so any help would be appreciated.

Answer:Cannot Downgrade to 7 Legacy Enabled, Secure boot disabled

Hi there

At the reboot have you removed the installation media -- it might be re-booting again from the install media.

Cheers
jimbo

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Hi I've edited this post to make users aware the Sandisk Ultra II SSD has issues with the 450 G3 in legacy mode.  It's simply not visible in the boot options under legacy only UEFI.  I have spent hours and hours and it doesn't work on a 240 and 480 gb models I have running the latest firmware.  I've posted messages on the Sandisk forums reporting the very likely bug. I think I'll stick to Samsung which 850 Evo works perfectly! 

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I am trying to install an OS that works best when the BIOS is set to legacy boot and secure boot is disabled. Unfortunately, there does not seem to be an item where I can disable secure boot, and despite having set the BIOS to legacy boot, UEFI seems to still be active. What else can I do to disable UEFI? I have an Acer Travelmate p633 ms2362 laptop.

Answer:Acer Travelmate p633 ms2362 legacy boot, but no se...

Secure boot option is available only when BIOS is set to UEFILegacy doesn't have that option. Why do you think UEFI is still enable if your set BIOS to Legacy?

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