If the “Non system disk or disk error” error message is showing up because your Hard Disk Drive’s boot files have become damaged or corrupt, removing all the non-bootable storage devices, checking on your HDD’s IDE or SATA cable, or setting the right boot priority in BIOS/UEFI should fix the issue.
Remove All Non-System Disks. Similar to the “Boot Device Not Found” issue, the first step to try is to remove the non-system disk from your boot device because the boot
Confirm the Boot Sequence.
Remove and Reinstall the Hard Drive.
Perform Startup Repair.
Repair MBR.
Set System Partition Active.
Here MiniTool shows the best methods that can be helpful in detecting a non-system drive or hard drive error. Fix 1: Remove all non-system hard drives. Fix 2: Confirm the boot fix sequence. 3. Uninstall and reinstall. You will see Hard Drive Fix 4. Run Boot Fix Repair. 5. Restore the MBR patch.
The conditions under which some Dell users receive a disk or non-system disk error each time they start their PC vary. While gamers have their own reasons why mistakes like this happen to Microsoft, there are also reasons why it’s their own. Unfortunately, according to Microsoft, if there are no erroneous files on bootable devices such as a hard drive, floppy drive other than the CD drive, the error is sure to appear.
By the way, you may encounter the fact that Windows 10 neglects the required disk partition. Now you can easily fix non-system drives and disk errors in Windows XP/7/10 step by step with these fantastic solutions:
When you try to boot the computer you get the error message Non system disk or disk error What is the most likely cause of this error message?
Method 2: Check your IDE hard drive or possibly wired SATA If your IDE or wired SATA hard drive is faulty or not properly connected, systems may not be able to read the hard drive and you will probably get a “No System” message. disk error.” Just connect the cables correctly or buy a new one if the TV cable is damaged/broken.
How to fix non system disk error or disk error in Windows?
Not when you can restart your computer and then press the market key to access your BIOS. Then follow this description to choose a boot theme and then install your desired media to boot your first sneaker. A corrupted boot sector, touching the MBR or BCD can cause some non-system disk errors.
How do I fix Non system disk or disk error Windows 10?
Fix Non-System Disk or Black TV Error in Windows 11/10
- Remove all non-system drives.
- Confirm boot priority.
- Remove and reinstall hard drive.
- Start recovery.
- Fix MBR.
- Activate system partition.
- Check bad sector.
- Replace hard drive.
How to fix non system disk or disk error in Windows 10?
For Windows 10 users, select Troubleshoot -> Advanced Options -> Startup Repair -> Select target operating system and Windows will start diagnosing your business system. If a problem is found, Windows will try to fix part of the problem automatically or suggest a better solution. Just follow the instructions to fix a disk error or a non-system CD/DVD error.

Ermias is a tech writer with a passion for helping people solve Windows problems. He loves to write and share his knowledge with others in the hope that they can benefit from it. He’s been writing about technology and software since he was in college, and has been an avid Microsoft fan ever since he first used Windows 95.