In order to help users to fix some Windows 10 error which could lead to system boot up failure, Windows 10 provides the built-in function – Startup Repair. However, sometimes, the Statup Repair fails to work for some reasons and it sticks at the auto-repair stage of failing to load Windows. Most 2 common situations that users may encourter:
1. Sticks at the black screen with notification of “Preparing Automatic Repair“.
Sometimes, system will fail to boot because of the lost, damage or incorrect settings of MBR and BCD data. Here we can fix the startup repair loop by correcting the MBR and rebuild BCD manually. Here is how it goes:
Please press the power button to restart the PC which sticks at the Automatic Repair interface. Repate this step for 2 to 3 times. Then you will get access to Windows RE.
1.Select “Troubleshoot” after loading into Windows RE.
- Enter BOOTREC /FIXMBR to fix the boot information in MBR. But it will not fix the partition table.
- Enter bootrec.exe / fixboot to fix the boot information in DBR of system partition.
- Enter bootrec.exe / rebuildbcd to rebuild the startup configurations.
If PC still sticks at Startup Repair loop, then it could be caused by the bad sectors in the hard disk. Here, we can fix it with chkdsk. To process chkdsk scan, please enter the following command in the Command Prompt window: chkdsk/f/r
Safe mode, a diagnosis mode, limits Windows function and boot the system with necessary software. If we sticks in Windows startup repair loop which could be caused by the incompatibility of recently installed software with system, we can regain access to computer via safe mode. Then uninstall those software to solve this problem.
If the problem can not fix after processing all the mentioned methods. Then please try to fix it with system restore.
1. Get into Windows RE and select “Troubleshoot”. Then choose “System Restore” in “Advanced Settings”.
2. Follow the guidance and select the related backup version to restore.
If you can not get access to Windows or create restore point beforehand, you can solve this problem by reinstalling Windows. However, system reinstallation could lead to data lost in system disk. If you want to save data from the system disk before reinstalling system, please try the data transfer function in Renee Passnow. This function can be run without Windows.
Step 1: Download and install Renee Passnow on any other workable computer.
Step 2: Launch Renee Passnow. Create bootable media with USB/CD/DVD.
Step 3: Boot the target computer with the created bootable media.
Step 4: After loading into the main interface of Renee Passnow, please select “Data Transfer” function.
Step 5: Select the original disk and target disk. And drag the target files to the target disk directly.
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