This video handles this error - non system disk or disk error replace and strike any key when ready. #hp #windows10 #windows11
the "Non system disk or disk error" error message occurs sometimes due to your Hard Disk Drive's boot files have become damaged or corrupt, This can be resolved. when you removie all the non-bootable storage devices, check your HDD's IDE or SATA cable. you can also set the right boot priority in BIOS/UEFI to resolve it.
This video handles questions like
How do you fix the computer if there is a error hard disk?
How to Non-System Disk or Disk Error in Windows 10 and windows 11