Win8.1 boot backup, history file record and file copy were deleted by mistake. How to restore

The friend's Win8.1 computer appears this situation: some pages can't be opened now, for example: onedrive.live.com cloud storage and The app store can't open, prompts to restore to the settings, and prompts factorysetup error 5 when installing Dell Backup and Recovery. Power-on backups, historical file records, and file copies have been accidentally deleted. This should be how to restore

This may lead to a recovery partition damaged, so try to fix recommendations:? 1, insert the Windows installation media source

, press Windows + X + A, Open a command prompt and type:

2. Make a disk cleanup of the C drive and delete the temporary files in the Temp folder;

3. Run cmd in administrator mode and enter sfc /Scannow enters waiting for 100%, see if there is any damaged system file;

4, run cmd in administrator mode, enter DISM.exe /Online /Cleanup-image /Scanhealth, scan system files and official System file comparison;

5, then go to the previous step, insert the system disk, run DISM.exe /Online /Cleanup-image /Restorehealth under cmd, restore different system files to the system source file (note this step) May be prompted to find the file source failed, regardless of it);

6, running Windows 8.1 advanced startup, reboot to "safe mode with network prompt", admin mode running cmd , then enter DISM /Online /Cleanup-Image /StartCompo nentCleanup /ResetBase.

After the above operation, we fixed the system recovery partition on Win8.1. By repairing the system recovery partition, we can solve the problem that the Onedrive cloud storage webpage and the application store cannot be opened due to boot backup, historical file recording and file copy deletion.