You need to get your boots in order
How to Fix Non-System Disk Error or Disk Error in Windows 7/8.1/10
The Non-System Disk or Disk Error is a common "black screen" error message that appears when the PC cannot boot properly. It occurs when the BIOS cannot find a disk with a bootable operating system (OS) and is usually caused by an error in the boot sequence.
If you’ve encountered this infamous disk error, you know how annoying it can be. Fortunately, it’s often easy to fix. This article will show you four ways to fix Non-System Disk or Disk Error in Windows.
There are several possible causes for the "Non-system disk" or "Disk error" message, including:
