Laptop Screen Remains Black And Fan Runs At Full Speed

Problem Description:

When the laptop is turned on, the screen remains completely black/blank and the cooling fan starts running at full speed. The fan runs at unusually high RPM until you power down the laptop.

Possible cause:

  • Motherboard failure.

Possible troubleshooting steps and repair solution:

Most likely this problem is related to the motherboard failure and the motherboard has to be replaced.

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Manish

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