Windows 7 Infinite Reboot Loop – Fixed!!

What is Windows 7 Infinite Reboot Loop?

When the computer will reach a certain stage before the logon screen only to then reset back to the boot screen, at which point it will attempt to load Windows again, becoming caught in the loop (although in some cases it might successfully boot) again and again.

How to fix Windows 7 Infinite Reboot Loop

Download System Repair Disk

Change First Boot Device in BIOS to Boot From CD/DVD

1. Boot to the System Recovery Options screen.

  • If Windows automatically opens Startup Repair, and subsequently fails to fix a problem, you can skip ahead to step 4 below.

2. In the System Recovery Options screen, click Startup Repair:

3. Windows will search for an attempt to repair startup problems:

4. If startup problems could not be repaired, you will receive the message Windows cannot repair this computer automatically. Click View advanced options for system recovery and support:

5. Click View advanced options for system recovery and support, which which bring you back to the main System Recovery Options screen.

6. Click Command Prompt:

7. Command Prompt should open to X:, which is an internal ram disk use by System Repair:

8. Now you need to find your system drive. Depending on how your system is setup, this could be either C: or D:.

  1. Type C: and press <ENTER>.
  2. Verify that this is your system drive by typing DIR and pressing <ENTER>. If you see the Program Files, Users and Windows folders, then you have found your system drive, and can continue to step 9 below.
  3. If the drive is not your system drive, repeat steps I and II above, changing the drive letter to D, E or some other letter until the system drive is located.

9. When you have located your Windows system drive, type CD windowssystem32config and press <ENTER>:

10. Type DIR and press <ENTER>, and verify that the following files and folders exist in the config folder:

  • RegBack (which is a folder)
  • DEFAULT
  • SAM
  • SECURITY
  • SOFTWARE
  • SYSTEM

11. Type MD backup and press <ENTER> to create a backup folder that you can use incase this procedure does not work as expected.

12. Type copy  *.*  backup and press <ENTER>. If you are prompted to overwrite existing files, press A to allow all backups to be overwritten.

13. Now you need to check if you can use the automatic Windows backups to restore your registry:

  1. Type CD RegBack and press <ENTER> to go to the RegBack folder.
  2. Type DIR and press <ENTER>to view the contents of the folder. All the following files must exist:If the hive files listed in RegBack are ok, then proceed to step 14 of the tutorial.
    • The DEFAULT, SAM and SECURITY files should each be about 262,000 bytes in size.
    • The SOFTWARE file should be about 26,000,000 bytes.
    • The SYSTEM file should be about 9,900,000 bytes.
    • The file sizes presented here are approximate estimations, and may vary depending on your system. If any one of them are 0 bytes, then you should stop what you’re doing now and seek an alternative method of recovering your system, because Windows cannot function with a 0-byte size registry hive.
  3. If the hive files listed in RegBack are ok, then proceed to step 14 of the tutorial.

14. Type copy  *.*  .. and press <ENTER> to copy the backup hive files to WindowsSystem32config.If you are prompted to overwrite existing files, press A to allow all file to be overwritten.

15. Type exit and press <ENTER> to close the command prompt.

16. Click the Restart button to reboot your computer.

Your system will boot normally.

Comments

  1. It did the job, thank you.

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