My HP Pavilion DV6 will not start after replacing the screen

I just replaced a cracked screen by following the instructions in the maintenance manual and now it does not start. The power light turns on and the fan works but nothing else happens. What can I do to trouble shoot this problem?

The most common problem is the connection of the cable to the screen.  Make sure that it is tight. Check the connection to the motherboard as well, but it's usually OK.

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