Windows fail to boot or gets stuck with ‘Repairing disk errors’ message, it means that something was wrong on the boot disk which leads system unable to boot from the disk.

How long does repairing disk errors take Windows 10?

Let It Finish Overnight

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.

What does repairing disc errors mean?

You may get the “repairing disk errors” message if your boot disk is unable to boot the computer due to some possible errors. Typically, this error occurs when you forcibly shut down the computer or if the main hard drive is faulty; e.g., it has bad sectors.