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Fix and Repair EFI Bootloader in Windows 10/8/7

2016-11-17 16:00:30 Posted by Tracy King to Partition Manager

Summary:
This article provides effective method and detail guide for you to fix computer EFI boot for Windows 10/8/7 with ease. If you are having problems with EFI bootloader and fail to boot your Windows 10/8/7 system, follow to find solution and fix this problem with ease now.

Are you having boot problems in your computer with the EFI bootloader? Having problems in your EFI bootloader that you are unable to boot Window system such as Windows 10, 8 or 7 smoothly in your PC? Here in this article, we’ll provide you effective solutions here to help you directly repair EFI bootloader and fix EFI boot errors in Windows 10/8/7. You can just follow below steps to fix and repair EFI bootloader now:

Method 1. Use bootable disk to repair EFI bootloader for Windows 10/8/7
Method 2. Fix EFI bootloader in Windows 7
             2.1 Fix Windows 7 EFI bootloader with Installation Media
             2.2 Fix Windows 7 EFI bootloader without Installation Media
Method 3. Repair EFI bootloader in Windows 10/8
             3.1 Repair Windows 10/8 EFI bootloader with Installation Media
             3.2 Repair Windows 10/8 EFI bootloader without Installation Media

Note: If you prefer to fix EFI bootloader in Windows 10/8/7 with an easy but effective way, you can try Method 1 to apply professional partition manager software for help;
If you prefer free method and you are quite familiar with Windows system management jobs, Method 2 or 3 will guide you to fix EFI boot in Window 10/8/7 then.

Method 1. Use bootable disk to repair EFI bootloader for Windows 10/8/7

If you are having Windows EFI bootloader problems and unable to boot computer smoothly in Windows 10/8/7, don’t worry. Professional partition manager software will support you to create a bootable disk to repair corrupted EFI bootloader without any problems. You may Google EaseUS Partition Master online or directly click below download button to get this partition manager software for fixing Windows 10/8/7 EFI bootloader now:

Now let’s see how to fix Windows 10/8/7 EFI bootloader issue with EaseUS Partition Master:

1. Download and launch EaseUS Partition Master in a new PC which runs exact the same system with EFI boot as yours. Click Tool and choose "Create WinPE bootable disk". 

Create bootable disk to fix EFI bootloader in Windows 10/8/7.

2. Then you can choose to create the bootable disk on USB, CD/DVD or export Windows 10/8/7 ISO. 
An external storage device such as USB is recommended.

Repair EFI boot in Windows 10/8/7.
 
3. Click "Proceed" to finish all process.
4. When the process is finished, connect the USB drive to your corrupted computer and reboot the PC;
5. Select to boot from EaseUS WinPE bootable disk and let this program to repair and restore Windows system and EFI bootloader in your PC.

After this, you can set BIOS boot order from your PC again since the EFI boot has been fixed. 
Note: If you lose some important files or data in the system partition after fixing EFI and rebooting system, don’t worry. You can apply professional data recovery software - EaseUS Data Recovery Wizard to restore all your lost data with ease.

Method 2. Fix EFI bootloader in Windows 7

The way to fix EFI bootloader can be quite different with or without Installation Media. Let’s see how to fix EFI bootloader in Windows 7 with or without Installation Media now:

2.1 Fix Windows 7 EFI bootloader with Installation Media

If you have the Installation Media, follow below tips to fix EFI boot in Windows 7:

  • Insert Windows 7 Installation Media (DVD/USB etc) in your PC;
  • Restart PC and boot from Installation Media > Select Repair Your Computer > Select operating system and click next;
  • Choose Command Prompt > Type below command orders and hit Enter each time:

diskpart
sel disk 0
list vol

  • Verify the EFI partition is using FAT32 file system and assign a drive letter to it > Type command and hit Enter each time:

sel vol
assign letter=:
exit
cd /d :\EFI\Microsoft\Boot\
bootrec /fixboot

After all these steps, the EFI bootloader is fixed now and you can then reboot PC, setting boot order from PC in BIOS. 

2.2 Fix Windows 7 EFI bootloader without Instaallation Media

If you don’t have Installation Media, here below tips shall help you to fix EFI bootloader in Windows 7 then:

  • Restart PC and tab F8 till the Windows Splash Screen appears;
  • Select Repair your computer > Select Command Prompt from Recovery Options;
  • Type below command orders and hit Enter each time:

diskpart
sel disk 0
list vol

  • Verify if the EFI partition is using FAT32 file system and assign a drive letter to it > Type below command orders and hit Enter each time:

sel vol
assign letter=:
exit
cd /d :\EFI\Microsoft\Boot\
bootrec /fixboot

  • Rebuild BCD store, type below orders in CMD and hit Enter each time:

ren BCD BCD.old
bcdboot c:\Windows /l en-us /s : All

Note: If you are creating boot entries on an attached USB flash drive or external hard drive, add /f between the : and All.

If you are a Windows 10, 8.1 or 8 user, relax, in Method 3, you’ll find wanted solutions to fix EFI bootloader in Windows 10/8.1/8 with ease now.

Method 3. Repair EFI bootloader in Windows 10/8

Windows 10/8.1/8 users can also have two access to fix repair EFI bootloader with or without Installation Media. You may choose to fix this problem on your own now:

3.1 Repair Windows 10/8 EFI bootloader with Installation Media

  • Insert Installation Media with PC and restart to boot from the Media;
  • For Windows 8.1/8 users: 

Select Repair Your Computer > Troubleshoot > Command Prompt;

  • For Windows 10 users:

Select Repair Your Computer > Troubleshoot > Advanced Options > Command Prompt;

  • Type below command orders and hit Enter each time:

diskpart
sel disk 0
list vol

  • Verify the EFI partition is using FAT32 file system and assign a drive letter to it > Type command and hit Enter each time:

sel vol
assign letter=:
exit
cd /d :\EFI\Microsoft\Boot\
bootrec /fixboot

3.2 Repair Windows 10/8 EFI bootloader without Installation Media

If you don’t have Installation Media for Windows 10/8.1/8, just follow below guide to repair Windows 10/8.1/8 EFI bootloader without Installation Media now:

  • Restart PC and tab F8 till Windows Splash Screen appears;
  • Select Repair your computer > Click Command Prompt from Troubleshoot;
  • Type below command orders and hit Enter each time:

diskpart
sel disk 0
list vol

  • Verify if the EFI partition is using FAT32 file system and assign a drive letter to it > Type below command orders and hit Enter each time:

sel vol
assign letter=:
exit
cd /d :\EFI\Microsoft\Boot\
bootrec /fixboot

  • Rebuild BCD store, type below orders in CMD and hit Enter each time:

ren BCD BCD.old
bcdboot c:\Windows /l en-us /s : All

Note: If you are creating boot entries on an attached USB flash drive or external hard drive, add /f between the : and All.