Some of you complain that the computer is stuck on the Repairing disk errors. This may take over an hour to complete error message when booting up. Why does that occur and how to remove it from your computer? Take it easy! This guide on MiniTool Website will show all the information that you need to know.

Repairing Disk Errors This Might Take an Hour on Lenovo/HP/Dell

Your computer may fail to boot into Windows and get stuck on a black screen with such an error message: Repairing disk errors. This may take over an hour to complete. This might be a significant and complex issue so the disk repairing process takes quite a long time to complete.

The hitch can arise because of several reasons:

  • Bad sectors in the disk.
  • Hard disk failure.
  • Corrupted system files.
  • Software or hardware conflicts.

Suggestion: Back up The Files on Your Hard Drive to Avoid Data Loss

The occurrence of Repairing disk errors this might take an hour to complete indicates that there is something wrong with your hard disk. Therefore, you are supposed to back up the data on your hard disk to avoid the happening of worst scenarios. To ensure the safety of your data, a free backup software – MiniTool ShadowMaker is a top option.

This freeware can run smoothly on Windows 11/10/8/7 and meet your needs on creating different types of backups on files, folders, systems, disks, and partitions. Now, let’s take a look at how to use it to back up your files:

Step 1. Open this tool and go to the Backup section.

MiniTool ShadowMaker TrialClick to Download100%Clean & Safe

Step 2. Go to SOURCE > Folders and Files to choose the files you want to protect. As for a storage path, go to DESTINATION. Here, it is highly recommended to choose an external hard drive or USB flash drive as a destination path.

hit Folders and Files

Step 3. Press Back Up Now to start the backup task right now.

How to Fix Stuck on the Repairing Disk Errors That Might Take an Hour Screen?

# Some Quick Fixes

Wait for More Hours

Sometimes, the system will rectify the error automatically, thus you can let it aside and wait for more hours to see if the repairing disk errors this might take over an hour to complete black screen disappears.

Remove All External Devices

Peripheral devices like USB flash drives, printers, keyboards, and external hard drives can be the culprit of stuck on the repairing disk errors this might take an hour to complete screen. Therefore, you can remove unnecessary external hard drives or recently installed hardware to see if it does the trick for you.

Once the problem is fixed after removing all the external devices, you can reconnect one peripheral device at a time to determine which one is problematic.

# Preparation: Enter WinRE

Before troubleshooting, you need to enter the Windows Advanced Startup menu first to try the workarounds below. You should:

Step 1. Press the power button to turn off your computer.

Step 2. Reboot your computer. 

Step 3. Press the power button again when the Windows logo appears.

Step 4. Repeat these steps two or three times until you see the Automatic Repair screen.

hit Advanced options

Step 5. Hit Advanced options to enter Windows Recovery Environment.

# Fix 1: Run Startup Repair

When you encounter some issues that prevent the computer from booting up, you can reach out to the inbuilt tool – Startup Repair (or Automatic Repair) to solve them. The detailed guidelines are as follows:

Step 1. Go to Troubleshoot > Advanced options > Startup Repair.

hit Startup Repair

Step 2. Then you need to choose your account > enter the password > hit Continue to start the process.  

Solved: Startup Repair Cannot Repair This Computer Automatically
Solved: Startup Repair Cannot Repair This Computer Automatically

If the error "Startup Repair cannot repair this computer automatically" occurs while you are using Startup Repair, get some methods from this post to fix it.

Read More

# Fix 2: Run CHKDSK

CHKDSK (also known as Check Disk) is able to verify the logical integrity of the file system. It is aimed to check the disk for errors and then fix it. Here’s how to do it:

Step 1. After entering WinRE, go to Troubleshoot > Advanced Options > Command Prompt.

Step 2. In CMD, type chkdsk C:\ /r /f /x and tap on Enter. If your hard drive is beyond repair, you need to change to a new one.

run this command


The scanning time of the CHKDSK command depends on the capacity of the hard drive and read/write speed, so please wait patiently.

# Fix 3: Rebuild BCD

The Boot Configuration Data files might be corrupted because of incomplete operating system installation or frequent installation of different operating systems, which can also make you suffer from stuck on the Repair disk errors this might take an hour screen. To fix this issue, you need to follow these steps to rebuild BCD.

Step 1. In Windows Recovery Environment, hit Troubleshoot > Advanced Options > Command Prompt.
Step 2. In the command window, run the following command one after another and remember to hit Enter after each command.





# Fix 4: Reset Windows

The last feasible solution is to rest your Windows because your system might be crashed. To do so:

Step 1. Go to WinRE > Troubleshoot > Reset this PC.

Step 2. Choose either Keep my files or Remove everything > Fully clean the drive > Reset.

choose an option

We Need Your Voice

This guide analyzes the causes and solutions for repairing disk errors this might take an hour to complete Windows 11/10. Sincerely hope that they are useful to you.

Meanwhile, if you don’t want to lose the data on your hard disk, you can back up files on your hard drive with MiniTool ShadowMaker.

For any doubts or suggestions about our product, welcome to share your ideas via [email protected]. We will reply to you as soon as we can!

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