
Startup Repair helps fix non system disk or disk error in most cases. Tip: If there is a different machine available, connect this drive to that computer to confirm whether the problem arises from the hard drive or the computer. Here is how to fix non system disk error this way: You might have to remove and reinstall the hard drive.

If the computer was dropped or jarred, there may be a bad connection between the hard drive and computer.

Make sure that you select a device that has boot files (or operating system files) installed. To do this, you must change your computer's setup and the option that controls which device your computer uses to start from. If not, you will need to change your computer's boot sequence. You can also enter BIOS to confirm whether the disk containing boot files is set to the first place of the boot order. Then turn off and on the computer to have a check. For example, you can remove any non-system disk from the floppy drive or eject the disk from the CD-ROM drive. 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 order can be changed for some reasons. In this post, we tell you how to fix the non system disk error by trying 8 solutions. But, users also report more possible reasons. According to Microsoft, this issue may occur if your start device (such as a floppy disk drive, hard disk drive, or CD-ROM drive) does not contain boot files. When booting up the computer, some Dell users encounter the following error which reads: " Non-System disk or disk error replace and strike any key when ready".

Seeing " Non-system disk or disk error replace and strike any key when ready " when booting Windows? How to get rid of this error message? Here MiniTool shows the best solutions that could be helpful in removing non system disk or disk error.
