Solved Blank screen on hp630 laptop

July 18, 2013 at 07:31:56
Specs: Windows 7
hi, my hp630 laptop screen remains blank whenever i power it on, with the caps lock key blinking 6 times then it goes off. any idea what i can do to solve the problem? thanks

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July 18, 2013 at 07:56:16
✔ Best Answer
6 blinks from the caps lock key means a BIOS authentication error.

See this page -

BIOS authentication failure
The BIOS authentication error (Blink code 6) is extremely rare. It is the result of a discrepancy between the BIOS and the hardware that is installed on the computer. This error occurs when the BIOS cannot authenticate signatures from the hardware on the system. The purpose of the BIOS authentication is to be sure that no one has tampered with the BIOS on the computer.
If a BIOS authentication failure occurs, the computer automatically performs a BIOS recovery. If the computer does not automatically recover the BIOS, manually perform a BIOS recovery.

To manually perform a BIOS recovery, press all four arrow keys at the same time to cause the BIOS to go to the EFI partition to find and recover the current BIOS.

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