How to Fix Unknown Hard Error on Windows 10

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Unknown Error Hard Error is one of the most common system errors, often occurring in Windows 10 operating system. You may encounter this error while playing a game, running an application or performing other tasks on a Windows computer..

A corrupted system file, a corrupted Windows registry due to software changes, a hard drive or hardware problem, etc. are some of the causes of Unknown Hard Error in Windows 10.

When this error occurs, you cannot access the computer because it freezes the taskbar and switches the screen to black. Some users also reported that they had a dead blue screen problem due to the Unknown Hard Error.

Method 1: Perform clean boot

Method 2: Run the System File Checker tool

To check for corrupted system files, there are no more useful and handy tools than System File Checker. It will perform system scans, then repair and restore corrupted files. Refer to the article Using the SFC command to fix Windows 10 file system errors.

Method 3: Run the Check Disk tool

If the hard drive fails to cause an Unknown Hard Error or a blue screen error, you can run the CHKDSK command to check the hard drive error.

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Step 1 . Run Command Prompt with administrative rights by right-clicking on the Start button and selecting Command Prompt (Admin) .

Step 2 . Type chkdsk / f / r into Command Prompt and press Enter .

Now the Check Disk utility will scan the hard drive and then automatically repair the error it finds.

Method 4: Uninstall the Windows update

Installing new Windows updates often fixes vulnerabilities, but some updates sometimes make things worse. If you encounter an Unknown Hard Error after installing a new Windows update, you can try uninstalling this.

Follow the steps below to uninstall updates on Windows 10 computers:

Step 1 . Press Windows + I to open Windows Settings .

Step 2 . Select Update & Security> Windows Update and then click View update history to see the update installed on the computer.

Step 3 . Now, on the View update history window, click on the Uninstall Updates option.

Step 4. From the Installed Updates window, right-click on the most recently installed update and select Uninstall .

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