How to fix UEFI boot problems in Windows 10

Andrew Wafer
by Andrew Wafer
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  • UEFI, or if you prefer Unified Extensible Firmware Interface, is a protocol that is replacing the popular BIOS with new software.
  • A broken UEFI means that you have a broken bootloader which also means that you won’t be able to reboot or power on your Windows 10 device.
  • For any other booting problems, head on to your Troubleshooting Boot errors on Windows PC section and you will find a solution fast.
  • Don't get mad if you get any Windows 10 errors. Get even and visit our Windows 10 errors hub for some quick and correct solutions.
how to fix UEFI boot problems in Windows 10
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Windows 8, 8.1 and Windows 10 boot problems might be quite annoying since the troubleshooting process is usually complex. Because of that most of the users are choosing to reinstall the Windows system instead of fixing it.

If you want to try to fix your Windows 8, Windows 10 UEFI boot problems,  follow the guidelines below.

UEFI, or if you prefer Unified Extensible Firmware Interface is a protocol that is replacing the popular BIOS with new software.

UEFI is adding some important advantages such as improved security measures, faster startup times, support for disks larger than 2.2 TB, and lots more.

Now a broken UEFI means that you have a broken bootloader which also means that you won’t be able to reboot or power on your Windows 8 / Windows 8.1/ Windows 10 device.

You can also have a look at these related useful tips: learn how to fix chkdsk in Windows 8, 10, or how to view BSOD details in Windows.

Therefore, fixing UEFI boot problems is essential especially if you want to use your device without having to reinstall the Windows 8, 8.1, 10 OS system.

So, if I have convinced you to follow this tutorial, don’t hesitate and try the troubleshooting solution from below.

How can I fix Windows UEFI boot problems?

  1. Use diskpart and recreate Boot Configuration Data
  2. Repair your computer

1.  Use diskpart and recreate Boot Configuration Data

  1. Insert the Windows installer disk on your computer.
  2. Reboot and press any key in order to boot from Windows DVD.
  3. Wait while the Installer sequence is loading all the files.
  4. Then, click on Next and Repair your computer.repair computer
  5. Furthermore, go to Advanced options and pick Command Prompt.cmd from wind 8 installer
  6. Good, now a cmd window will be displayed on your device.
  7. On the cmd window type diskpart.
  8. Find out on which disk you have installed Windows by entering list disk.
  9. Usually, the Windows system is installed on disk 0 – if not change the following command accordingly to the number of your disk.
  10. In cmd type sel disk 0.
  11. You have selected your disk; now type list vol in order to show all the partitions.diskpart
  12. The UEFI partition should be a FAT32 file system – let’s say that is volume number 3.
  13. Select your partition by typing the sel vol 3 command and assign a new letter to your volume by using the command assign letter=b (you can set any letter you want, this is only an example).assign letter
  14. Enter exit and press enter.
  15. Up next you will need to type cd /d b:EFIMicrosoftBoot followed by bootrec /fixboot in order to repair boot record.
  16. Then you have to recreate the Boot Configuration Data (BCD), so in cmd type ren BCD BCD.old followed by bcdboot c:Windows /l en-us /s b: /f ALL.
  17. Perfect; all you have to do is to reject the Windows 8/ Windows 8.1 disk and to reboot your device as you are done.

You might be interested in our guide on how to Create a Windows 10 Bootable UEFI USB Drive


2. Repair your computer

Another way to fix UEFI boot issues in Windows 10 is to simply repair your computer.

This method is somehow similar to the first steps of the solution listed above, yet it’s less complex, so if you’re an average Windows user, you may want to use this solution first. Here are the steps to follow:

  1. Insert the Windows 10 install disk/ install USB to your computer
  2. Restart the PC > select boot from the disk/USB
  3. On the Install now screen > select Repair your computer
  4. Go to Troubleshoot > click on Automatic Repair
  5. Choose the problematic account from the list > confirm your choice and wait for the repair process to complete.

So, that was how you can easily fix Windows 8, 10 UEFI Boot Problems.

Do feedback us by using the comments field from below and share your other Windows issues with us in order to get technical assistance.

If you’ve got additional tips and suggestions on how to fix UEFI boot problems, you can list them in the comments below.

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Frequently Asked Questions

  • Insert the Windows installation disc or USB, restart your computer and boot from the certain media. You can use our guide to fix the UEFI boot.

  • To fix this, remove your hard drive from your computer and reconnect it. If the drive is not showing in Windows 10, here’s how you can fix that.

  • If your computer refuses to boot, first, try booting in Windows Safe Mode. Then, check your battery and unplug all your USB devices.

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I’m having a problem when I attempt to boot my computer on power-up with Windows 10 because it appears that the bootstrap program cannot correctly identify the HD with Windows. In addition to internal drive C, I have two external HD’s hooked up via USB and it seems that this is presenting a problem during the boot. I have been searching for a solution to this problem and all of the answers from Microsoft Support sites and users’ forum have extremely convoluted explanations on how to solve this problems which feels like we’re back to the dark ages of computers when the cryptic language was intended for ‘qualified software engineers’ (another term which I do not quite get…but that’s another discussion). As an Electronic Engineer, with 25+ years of engineering experience working on computers, it would seem that we could have progressed to the point at which simple step-by-step instructions could guide a person to what should also be a simple procedure to specify in the BIOS or UEFI what logical drive should be accessed to load the operating system. The cryptic and labyrinthic language I have found are nothing short of perplexing.

I’m an amateur, but after “cd /d b:EFIMicrosoftBoot” — I get: ‘The system Cannot Find The Path Specified’ and I’m in a quandry. Please help. Thanks.