Set the Correct Boot Priority in the BIOS/UEFI # If it doesn’t, you can try replacing the cables entirely. Unplug any new hardware and reconfigure it correctly. Turn off your computer and check the connections and cables for damage. If the connection is loose or the cables have deteriorated, it will be harder (or impossible) for your PC to detect the OS.Īdditionally, recently installed hardware may be misconfigured and interfere with the correct function of your motherboard or hard drive. These cables connect your HDD or SSD to your motherboard. Check Your Cables #Īnother common cause for the Non-System Disk Error or Disk Error is faulty SATA or IDE cables. Once you’ve done this, restart your computer and see if it boots correctly. So, the first thing to try is to remove all storage devices (including DVDs, CD-ROMs, floppy disks, USB drives, external hard drives, etc.). This error is usually caused when your PC tries to boot from the wrong storage device. Remove the Non-Bootable Media From Your PC # We recommend attempting all fixes as quickly as possible and backing up any data on that HDD to avoid data loss. If you encounter this error, it may mean that your Hard Disk Drive (HDD) is failing. There are several potential causes for the Non-System Disk or Disk Error message including:Īn incorrect boot orderA corrupted or damaged boot device or system filesCorrupted or damaged OS filesIncorrect SATA/IDE cablesImproper hard drive configurationMalware What Causes the Non-System Disk or Disk Error Message? # This article will show you four ways to fix the Non-System Disk or Disk Error in Windows. If you’ve come across this notorious disk error, you know how annoying it can be.

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