How to Move EFI System Partition to Another Drive in Windows 10 or 11

EFI boot partition on another disk

The EFI partition is created automatically when you install Windows. However, after adding a second HDD/SSD and installing Windows on that disk, you may realize that the EFI system partition remains on the old hard disk. You wonder how to move the EFI partition from the old hard drive to the new one.Read more

How to Fix the EFI Boot Partition’s ID Using DiskPart

fix EFI partition id using diskpart's set id command.

Each partition type is strictly identified by a GUID number. For example, the data partitions (“Basic data partition”) are identified by the GUID ebd0a0a2-b9e5-4433-87c0-68b6b72699c7. The EFI partition has the GUID c12a7328-f81f-11d2-ba4b-00a0c93ec93b.

However, on some systems, the EFI partition may have an incorrect ID assigned for unknown reasons. As a result, the EFI partition may appear as a “basic data partition” when you open Disk Management.Read more

How to Rebuild the EFI Boot Partition, BCD and Boot Files

bcdedit - find windows drive letter osdevice

The EFI boot partition is a FAT32 partition that stores the boot files and the boot configuration data (BCD) to load Windows. Sometimes, the boot partition or the BCD may get corrupted, and the boot files remain unserviceable by the Windows Setup process. In that case, rebuilding the EFI partition and recreating the BCD & boot files should resolve the issue.Read more

Fix for Windows Update Error 0x800F0922 in Windows 10/11

quality update 0x800f0922

When installing an update, especially a Cumulative Update or .NET Framework package in your Windows 10 or 11 computer, the update installation may fail with an error code 0x800F0922 (“CBS_E_INSTALLERS_FAILED“) or 0xc1900104 or the error message “Something didn’t go as planned”.Read more

[Fix] “Cannot shrink a volume beyond the point” when Resizing a Partition Using Disk Management

diskpart shrink volume error

When you use the Disk Management console to shrink the volume in which the Operation System is installed, you’re unable to choose a value (to shrink) beyond a limit. In the shrink volume dialog, the following message is displayed: You cannot shrink a volume beyond the point where any unmovable files are located. See the … Read more