that appears to be a hard drive problem it could be the controller on the motherboard though, try resetting the nvram with the jumper.


1. Shut down the computer through the Start menu.

2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.

3. Disconnect any telephone or telecommunication lines from the computer.

4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.

5. Remove the computer stand, if it is attached.

6. Open Computer Cove






Then.....

1. Locate the password and RTC_RST jumpers on the system board.

2. Remove the password jumper from its pins.

3. Place the password jumper on the RTC_RST pins and wait approximately 5 seconds.

4. Remove the jumper from the RTC_RST pins and place the jumper back on the password pins.

# Close the computer cover.



http://support.dell.com/support/edocs/systems/opgx270/SM/EN/replbrd.htm#1115891