Article ID : 00027148 / Last Modified : 06/06/2014

Error: Invalid System Disk or Non System Disk.

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Follow this procedure to troubleshoot the Invalid System Disk or Non System Disk error.

  1. Remove all media from the drives.
  2. Remove any USB drives connected to the computer.
  3. Remove any memory cards from the computer or peripherals.

    NOTE: Some printers have memory card slots.

  4. Press any key to determine if the computer will start.

    NOTE:If the computer does not restart, turn it off and then back on again using the Power button.

  5. Perform a format and recovery of the hard drive.

If the issue is still unresolved after completing all of the troubleshooting steps, service will be required.

For all Sony products (EXCEPT VAIO computers): To send your product to a Sony facility to be repaired or to check the status of the a repair, visit our eService web site.


For VAIO Computer products: Please call 1-888-4SONYPC (476-6972) for service information for your product. To check the status of your VAIO product repair, have your phone number or Best Buy service number available and call 1-800-433-5778.