The system's own disk repair method:
The specific steps are as follows: Select the middle drive letter C in my computer, and then click the right mouse button to select Properties. In the pop-up drive properties window, select Tools → Start Check, and select Automatically repair file system errors and scan and recover bad sectors, and then click Start. The scanning time will vary according to the disk capacity and scanning options (after doing the above, a box will pop up, the key point is that it will start after automatic shutdown.
Bad hard disk will cause the computer system files to be damaged or lost, and the computer will not start or crash. Hard disk bad track can be repaired by NDD disk tool or disk scan.
If the fault still exists, please restore the system or reinstall (still unable to format the hard disk and repartition and reinstall. If not, it is necessary to replace the hard disk or overhaul it).