Cant Boot from DVD (Secure Boot Disabled, Legacy Boot on)

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

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

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.

BIOS Security Page displays:Secure Boot ENABLEDSecure Boot Status DISABLEDI have attempted to ENABLE Secure Boot multiple times but Secure Boot Status remains DISABLEDThis problem occured after BIOS Upgrade to v3.07 I have Lenovo G510 LaptopWindows 8.1BIOS Version 79CN48WW (v3.07) I have tried the recommended solution of "Reset to Setup Mode" and "Restore Factory Keys".This did not solve the problem, Secure Boot Status still indicates DISABLED. Please suggest an alternative solution to this problem.

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.

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

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!

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.

as above

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

I am using Windows 10 Home/64 on a 90ED/700-251SH Lenovo desktop.The UEFI with secure boot is disabled and i need detailed instructions on how to enable it.I looked at the bios settings but it was not clear how to turn on the secure boot.

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.

Hi,We have secure boot enabled and running win 10n ent. ed. When I disable secure boot and select legacy enabled, The machine asks me for a 4 digit code then it restarts. But when it restarts it stays at the press the esc key to startup menu. I press the key many times but nothing is happening. This has happenned on a few different models of 15 and 17 and bios 9, 10,and 11. Is there a trick to get passed this screen? I unplugged the battery and held the power down for almost a minute but no change. This is a huge issue as we use a usb device to hold backups so I need to boot to this usb device and I cannot change the secure boot with out locking the machine. Please let me know if you know of a solution.Thanks in advance.Josh

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)

Hi everybody I have Lenovo G500 with Windows 8.1 Profecional I use UEFI boot mode, but there is a problem with secure boot.  In BIOS Page Security I have   SECURE BOOT                   ENABLED         SECURE BOOT STATUS    DISABLED    I cannot change it although I try everythink   Windows 8.1 tell me in System informacion(msinfo32) I have secure boot off. I dont have any watermark in my Desktop. I only want to use SECURE BOOT.I tryed everythink ,but nothink help me.  













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

Hi all,

Here is my current situation:

Got a new HP desktop (Windows 10 Pro) with RX 580 GPU. Disabled Secure Boot in BIOS since I wanted to avoid potential issues from flashing custom GPU bios, then flashed the custom BIOS (nothing fancy, just modified some timings which worked for me in the past with another RX 580).
After rebooting it will not post and it gives 3 short beeps and 3 long beeps, which according to HP signifies that "the embedded controller has timed out waiting for BIOS to return from graphics initialization."
I tried pulling the GPU and plugging into integrated graphics via HDMI but got the same result. It could be that the integrated graphics are disabled (the ports were covered) but I can't seem to get into BIOS to check.
I tried swapping in a different GPU (not 100% it's working since I have no other PC to test with currently, but I have no reason to believe it's dead). Same result.
Tried removing and re-inserting the CMOS battery, then booted up with no GPU, then with RX 580, and then with other GPU. Same result each time.
Any suggestions as to what I should try next? I'm pretty stumped...
 

Never seen this message before but I can't get around it. All I did was reboot for a game and this popped up.

I've gone into bios and secure boot is greyed out.

How do I get around this?

Running win 7 64 bit with an Asus x99-A motherboard. Specs updated below

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.

A little background, my laptop suddenly crashed one day and it would not start windows, it would simply get past the Dell logo and then the screen would stay black until shutdown.
After a couple of times of this it would show recovery options for windows, atfer choosing to restore windows while preserving user files and waiting for it to complete it would now show a blue screen with a BCD error.
Now the next step would be to use a recovery media to repair windows start or simply reinstall it, problem is I can't get it to start from the usb.
As mentioned in the title I cannot disable secure boot, I can set it to disable and apply the changes, but then if I go to boot options I can't change from UEFI to legacy or I get an error(Need to disable SecureBoot) which is already done. So I restart hoping I can choose Legacy now but again the same error shows and Secure Boot shows enabled. Other BIOS settings also reset after every restart, the clock however does not.
I tried updating the bios, using F12 for the boot menu there is an option to update the bios, I then select the file from the usb which is correctly recognized and the process starts and it completes almost immediately but upon restart the bios version is still the same 1.0.
I have tried leaving UEFI, going into Boot Sequence and Add Boot Option selecting the usb which is recognized correctly but upon saving, restarting and using F12 I can't see the option I added for the USB. I'm using similar steps to th... Read more

By Eduard Kovacs on August 10, 2016
Microsoft has been attempting to patch a serious Secure Boot vulnerability that can be exploited to bypass the security feature and install rootkits and bootkits on Windows devices. Researchers believe the security flaw cannot be fully patched.

-

On systems where Secure Boot is locked down and cannot be disabled (e.g. Windows RT, HoloLens, Windows Phone), configuration changes can be made using policies, signed files loaded by the boot manager (bootmgr) from a UEFI variable. There are some boot loader executables (EFI files) signed by Microsoft that can be used to provision such policies.

Before loading a policy, bootmgr checks it to make sure it?s valid. However, researchers discovered that Microsoft introduced a new type of Secure Boot policy during the development of Windows 10 Anniversary Update (v1607) that can be abused to bypass the security feature.
 

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?

As I get ready to do a clean install of 10074 I am curious about the need to disable secure boot and fast boot options. If I do disable secure boot do I need to enable legacy boot?

I have had limited success with previous installs to a 2nd hard drive and the problems that arose always seem related to dual booting.

In one instance I did a clean install of 10061 and had left secure boot enabled. In order to get dual boot working I had to disable secure boot, and upon rebooting I needed to change it back to secure. I then made Win 8.1 the default boot and then Win 10 would never boot from the menu, it would just take me back to the boot menu and I could boot into Win 8.1.

Additionally I would like to thank all the members who freely share their time and knowledge on the forums. Such a valuable resource!

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.

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

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

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

Hi - I'm having a problem with booting and getting a black/blank LCD screen with an external montior connected via the displayport on Windows 10. I've tried the option of disabling fastboot in the power settings but this only relieves the problem during a restart rather than from a cold boot. The graphics mode is set to 'discrete' rather than 'hybrid' (which seemed resolve the issue for those using a dock). If I hibentate then resume the LCD screen displays.. Anyone experiencing the same problems or have a solution ? Many thanks

This machine came as windows 8.1

Starting issue may 2017
Quick Solution for UEFI base mode
I'll try to write it in English :)
Step by step According to the pictures...
Boot Sequencephilipyip.files.wordpress.com/.../1.png
Put Name: 123philipyip.files.wordpress.com/.../17.png
philipyip.files.wordpress.com/.../21.png
philipyip.files.wordpress.com/.../8.png
philipyip.files.wordpress.com/.../101.png
When the "123" list was added to the list above, the "V" must be removed from the restphilipyip.files.wordpress.com/.../15.png
Apply => popup windows => click "OK"philipyip.files.wordpress.com/.../30.png
Exitphilipyip.files.wordpress.com/.../31.png
The system restarting...
Wait and see if my magic has succeeded ...

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













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I have a Win XP desktop which had problems with the hdd. The hdd and disk drive were connected to the same IDE bus(the motherboard only has one), the disk set as slave, the hdd as master. The computer worked fine except for errors with the hdd. I purchased a new hdd, and copied all contents of the old hard disk over using acronis migrate easy. In order to do this, I had to disconnect the disk drive, and connect the new hard drive in its place. The cloning process went smoothly and when I disconnected the old hard drive, I was able to boot into the new one. Everything worked fine, but when I connected the disk drive and rebooted, I got the error message:
"reboot and select proper boot device
or insert boot media in selected boot device"
How do I fix this?
 

Hey guys,
 
just reformatted my PC with Windows XP x64 bit edition,
 
After putting in my Mobo CD and installing the necessary drivers,
 
I restarted and got this message:
 
Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key
 
 
 
I looked around the internet for a bit, and most said to change the boot sequence in the BIOS to the primary drive,
it was already set to the primary drive, so I disabled the 2nd and 3rd boot choices.
 
 
But low and behold, I still got the message.
Although, a couple times, I was able to get to Windows.
Then when I restart, I get the message again.
 
 
So I'm not really sure what to do.
 
 
Thanks to anyone who would like to help.

Hello,

I have dual boot in my laptop with Ubuntnu 14.04 LTS and Windows 7 Home Premium 64 bit. Today after working on Ubuntu I restarted and switched to Windows and as soon as it logged in I noticed the battery was 0%. I thought maybe it was some kind of glitch or something (silly me!) so I just pulled the power supply and the laptop abruptly turned off. My laptop battery is completely dead now...won't charge at all and after that incident when I tried to log back into Windows it showed this error:

Windows failed to start. A recent hardware of software change might be the cause. To fix the problem:

1.Insert your Windows installation disc and restart the computer.
2.Choose your language settings, and then click "Next".
3.Click "Repair your computer."

If you do not have this disc, contact your system administrator or computer manufacturer for assistance.

Status: 0xc000000f

Info: The boot selection failed because a required device is inaccessible.

I don't have an installation disc, I tried pressing F8 and none of the options there helped. Ubuntu still works totally fine though. So I'm guessing it is not some hard drive crash and my data are fine in Windows but I just can't boot into it! Please Help!!

recently i woke up, went in my computer room, and saw the screen was black with the following message displayed
"Reboot and select proper boot device or insert boot media in selected boot device"

so i rebooted and windows started fine

couple days later same thing happened, only it won't reboot, just comes back to the same screen

the hard drive is the only thing showing bios (samsung hdd), but when i hook up as slave drive to another comp, it only shows the usb/sata adapter, not the drive, also noticed the dreaded hard drive clicking noise, i really don't want to send to a data recovery company due to cost, but my family photos are on there and i have no backups, are there any other options?
 

So basically, my computer has been doing this for awhile:

I will be running my computer, and it will randomly say

"Reboot and select a proper boot device or insert boot media in selected boot device"
or something similar to that.

It used to only do it about once every week, but now it's up to almost every day. I will post the
____________________________________
? OS - Windows 7? x64 ? What was original installed OS on system? Windows 7 ? Is the OS an OEM version (came pre-installed on system) or full retail version (YOU purchased it from retailer)? pre installed ? Age of system (hardware) ~2 years ? Age of OS installation - have you re-installed the OS? ~ 2 years ? CPU ? Video Card NVIDIA? GeForce? GTX 460M 1.5GB GDDR5 VRAM ? MotherBoard ? Power Supply - brand & wattage - not that relevant ? System Manufacturer Asus ? Exact model number (if laptop, check label on bottom) ASUS - Notebooks- ASUS G73Jw
________________________

I will post the BSOD File Collection app as soon as it is ready in the morning. It's been waiting for auto run to complete for a half hour now and it's 3:50 am...

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

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?

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?

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! 

I managed to mess up my Windows 8.1 factory install almost as soon as I unboxed my Y50-70 with a couple of boneheaded moves. I was able to restore Windows from a downloaded USB image from Microsoft and the BIOS Windows key on the laptop. So far so good. The boot is on /dev/dsa1 as fat32. I have a suspicion that the system when installed was in a different location from the factory. The reason for my suspicion is the following. When trying to install Ubuntu 14.04 as a dual boot, Ubuntu cannot see the Windows OS. I have tried shrinking the Windows partition using the windows partition utility. I have also changed the unallocated space from shrinking to ext4 using GParted. Do I need to change the Windows boot location or change the BIOS boot type to get Ubuntu to see it should install alonside Windows?

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.

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

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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