5 Solutions for the “Repairing disk errors” problem Note: To protect your data, you can back up the hard drive without booting Windows before you take measures to eliminate the error. This error can be caused by an improper shutdown, sudden power outage, viruses infection, hard drive issues, like bad sectors, corrupted file system, etc. It’s not rare to encounter the “Repairing disk errors” issue in Windows 11/10/8/7. What causes the “Repairing disk errors” issue? Why this message appears? How can fix this error and boot up my PC normally?” This might take over an hour to complete” message on a black screen. “When I start up my HP laptop, it always shows “ Repairing disk errors. My HP PC says “Repairing disk errors” on a black screen