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reavyy

macrumors newbie
Original poster
Mar 5, 2018
1
0
Helloo!


Got macbook pro 15 2011 late which starts with chime but no picture.. Tried smc, nvram resets, switched rams etc.
With external monitor no signal and in target disk mode another imac cant detect it. Usually I would think that logicboard/graphics are done but when i let it start up and hit enter it plays "the wrong password" sound so it seems to work in some kind of way..(and cant try password because customer does not remember it :/)

Has anyone had same kind of macbook with similar problems? Can it only be the display that is broken?

thx in advance and sorry about bad english.
 
Do a search for "RadeonGate".

Chances are the internal GPU has failed.
Repair isn't an option any more.

Best choices are to permanently disable the GPU via software, or start looking for a replacement laptop...
 
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