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Computer Doesn't Boot After Changing BIOS Settings for Intel® Desktop Boards


Last Reviewed: 03-May-2017
Article ID: 000005930

Certain changes in BIOS settings—especially timings, voltages, or frequencies—can cause your Intel® Desktop Board to no longer boot. 

If you're still able to enter the BIOS setup, reset the BIOS to the factory defaults:

  1. Press F2 during boot.
  2. Press F9 to set defaults.
  3. Press F10 to save and exit.

If you cannot enter the BIOS setup during boot, follow these steps to clear the CMOS:

  1. Turn off all peripheral devices connected to the computer.
  2. Disconnect the power cord from the AC power source.
  3. Remove the computer cover.
  4. Find the battery on the board. The battery may be in a horizontal or vertical battery holder, or connected to an onboard header with a wire.
    1. If the battery is in a holder, note the orientation of the + and on the battery. With a medium flat-blade screwdriver, gently pry the battery free from its connector.

      Battery side up

    2. If the battery is connected to an onboard header with a wire, disconnect the wire from the onboard header.

      Disconnect the wire from the onboard header

  5. Wait one hour, then reconnect the battery.
  6. Put the computer cover back on.
  7. Plug the computer and all devices back in.


Note A BIOS Recovery may be required after clearing the CMOS. This step can clear the CMOS, even if there's no display on the computer.
 

 

This article applies to:

Intel® Desktop Board DQ33HS
Intel® Desktop Board D945GZCC2
Intel® Desktop Board CA810E
Intel® Desktop Board DQ963GS
Intel® Desktop Board D845PECE
Intel® Desktop Board D815EFV