Let It Finish Overnight
First of all, “Repairing disk errors” is triggered by automatic CHKDSK on booting. As we all know, CHKDSK indeed plays a good role in scanning and repairing disk problems. Plus, most of time, CHKDSK may take a pretty long time to finish, such as 4 hours or more. So, it’s advisable to leave your computer running overnight to let it finish. But, the next day when you wake up and check PC, if “Repairing disk errors” issue persists, you can move on to try the other means.
https://www.errorsolutions.tech/error/windows-10-repairing-disk-errors/
Solution 3. Replace the HDD and Install Windows