Macbook Pro 13" NOT showing image / Black screen only

[lagadatorumea]

Macbook pro 13" board number 820-2879-B
No image - Only black screen. When i press the start button, harddrive qucikly starts & then shuts off quickly, then starts up again.

 

[dukefawks]

Resistance to GND on pp3v42? History of the board?