To simplify things for you, we’ve created a couple of sub-guides that will hopefully help you get to the bottom of the ‘ Repairing disk errors‘ screen: Perform an Automatic Repair In this case, you’ll need to test the health of your HDD or SDD and order a replacement if a critical hardware issue is discovered. Failing HDD / SSD Drive – If you’re dealing with a hardware issue, none of the fixes recommended in this article will be effective in your case.
If this scenario is applicable, you should use the System Restore utility via the Recovery menu to bypass the problematic screen. In more serious circumstances, you might need to go for a repair install or clean install procedure. If you find yourself dealing with this issue, forcing an Automatic Repair operation from a Windows CD or USB drive should allow you to fix the issue.