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X51 Boot Issues

  • 1

Hi Guys, My X51 is having issues during boot up sequence. When I turn it on, fans turn on, but it will immediately turn itself off (after the beep) or it will: fans on then off, "on" light indicator will stay on but no video. After 3 or 4 hard resets, it will boot normally. Another thing it has started to do is freeze and the only way to get out of it, is another hard reset. 
Also, I have searched the web for pictures and instructions on how to locate and replace the CMOS battery, with no luck.
I thank you in advance for any assistance you may be able to provide.

Replies • 1

Hello,

u need to run the ePSA diagnostic to check all laptops:

You can launch the ePSA diagnostics in two ways:

  1. Power-on the computer.
  2. As the computer boots press the F12 key as the Dell logo appears.
  3. On the boot menu screen, select the Diagnostics option.

    The Enhanced Pre-boot System Assessment window displays, listing all devices detected in the computer. The diagnostics starts running the tests on all the detected devices.

  4. If you wish to run a diagnostic test on a specific device, press Esc and click Yes to stop the diagnostic test.
  5. Select the device from the left pane and click Run Tests
  6. If there are any issues, error codes are displayed.

    Note the error code and contact Dell.

OR

  1. Shutdown the computer.
  2. Press and hold the fn key, while pressing the power button, and then release both.

    The Enhanced Pre-boot System Assessment window displays, listing all devices detected in the computer. The diagnostics starts running the tests on all the detected devices.

  3. On the boot menu screen, select the Diagnostics option.

    The Enhanced Pre-boot System Assessment window displays, listing all devices detected in the computer. The diagnostics starts running the tests on all the detected devices.

  4. If you wish to run a diagnostic test on a specific device, press Esc and click Yes to stop the diagnostic test.
  5. Select the device from the left pane and click Run Tests
  6. If there are any issues, error codes are displayed.

    Note the error code and contact Dell.