820-2914 No image

No-Clean

Member
Clean board, we replaced the GPU with new one

Chime sounds, external HD hast activity and caps lock key sometimes turns green when pressed after start up chime, but no image and no backlight at all.
 

No-Clean

Member
Not sure since it was sent here with not GPU other shop did not have it so we just installed a new one but no image
 

2informaticos

Administrator
Staff member
Do you have external video?
Possibly knocked off component, or bad GPU.
I doubt you can find "real new" chip nowadays.
Also compare diode mode to ground on all series caps between GPU and CPU; page 74, on the GPU side.
 
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