Caps Lock Code flashing

What is the caps lock light flashes four times then stopping average. I have a HP Pavilion UD7-1243d. The computer will not continue to start and the screen remains black. I only tried a hard reset at this point.

Thank you

It seems that GPU

LED flashes 4 timesGraphicsNon-functional graphics controller

You can try a reset adifficiles - remove the battery and AC adptor - hold power for 20 seconds - release and then reinsert the battery and AC and try again.

Here is the list of blink codes

http://support.HP.com/us-en/document/c01443366

Tags: Notebooks

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