Press Y if the system asks you for a restart (in the case of internal drive). R Locates bad sectors and recovers readable data.

X If required, it forces the volume to dismount before the scan.

You can add more options to the command to make the scan process more rigorous. Type the following command to start the error checking and fixing process for your internal or external drive:.To start the corrupted hard disk repair process, open Command Prompt in Admin mode (Right-click Start button and click Command Prompt (Admin)).However, if your PC is detecting the internal drive, there is hardly any chance something is wrong with the power. Checking the power supply in the case of an internal hard drive might be a little tougher. Some external hard drive comes with a separate power supply, so, do a check if the same is working properly. Make sure haven’t disabled your USB ports. You can also try another USB port on your computer, maybe the one you’re using isn’t working properly. Try to unplug the hard drive and connect it again in the process of hard drive fix. If you’re using an external hard drive, then it’s possible that the storage media is taking the power from the USB port itself. Check the power supply to repair corrupted hard drive Here are some ways which might help you repair corrupted hard drive. It might be possible the problem was nothing but a loose screw, and we repaired the whole bicycle. Now, in order to fix a hard disk drive that’s gone rogue, we should start with the basics because we have to make sure that the hard drive is corrupt or not in the first place.

Disk repair windows