BootRec /FixBoot Access is Denied Error in Windows 10? This error is likely caused by corrupt EFI directory.
The fix for BootRec /FixBoot Access is Denied Error in Windows 10 is to recreate the EFI directory structure.
Steps to Fix BootRec /FixBoot Access is Denied Error in Windows 10
Here are the steps to fix this error:
1Boot to Windows 10 Recovery Environment – Command Prompt
- Insert a Windows 10 media into your computer (DVD or USB)
- Configure BIOS boot sequence to boot from the above media first
- When you receive the prompt to boot from CD or DVD, press any key to continue
- At the Windows 10 installation screen, click Next.
- Then click Repair your computer.
- When Windows boots to recovery environment, click Troubleshoot.
- When Advanced options screen loads, click Command Prompt. The Command Prompt will display. Proceed to step 2.
2Assign the EFI Volume a Drive Letter
The next step to fix bootrec /fixboot access is denied error in Windows 10 is to assign the EFI volume a drive letter.
This task will be performed at the recovery environment.
- At the command prompt type the command below. Then press enter
DISKPART prompt will open
- At the DISKPART promt, type this commend and press enter
All available disks on your computer will be listed (displayed).
- Next, to select the disk with your Windows 10 installation, type the command below. Then press enter.
Select disk 0
My Operating system is installed in Drive 0. So I used “disk 0”. However, if yours is installed in a disk with a different number, change 0 to that number in the previous command.
The command will return the result below:
- To display volumes in the selected disk, type the command below. Then press enter.
The result of the command is shown below:
At this point, you need to identify your EFI volume from the list. Here is how you identify the EFI volume:
- It should be formatted with FAT32
- Size is likely to be about 100mb (shown as 99mb in this example)
- The Info column is likely to show the volume as “Hidden”
To select your EFI volume, type this command and press enter.
select volume 3
Change 3 to your EFI volume number. Here is the result:
- Next, assign the volume a drive letter with this command.
assign letter P:
The last step to fix bootrec /fixboot access is denied error is to format the volume. Then recreate the corrupt EFI directory structure.
3Format the EFI Volume and Recreate the EFI Directory Structure
- To format the partition, type the command below. Then press enter.
format P: /FS:FAT32
Finally, the fix for bootrec /fixboot access is denied error…
- Recreate the EFI directory with this command:
bcdboot C:\windows /s P: /f UEFI
The steps in this guide should resolve bootrec /fixboot access is denied error.
At iTechGuides.com we write to help you fix your tech problem. Your sincere feedback will help us determine how our guides are doing.
Kindly use the “Leave a Reply” form at the end of this page to leave us your feedback. Better still, you could share your experience fixing this error with other reader.
Want more Windows 10 fixes? Then visit our Windows 10 Support page.
You may also benefit by reading Advanced troubleshooting for Windows boot problems. This Microsoft guide provides additional options to fix Windows 10 boot problems