Currently Being ModeratedFeb 28, 2012 1:51 PM (in response to freebitser)
There's not enough info to know what the problem is, but I suspect its a bad connection - RAM, Processor, cable - somewhere. Go back and reseat & reconnect cables. The small cable wires going to the lid could be "pinched" or cut in the hinge area.
Troubleshooting portables that won't turn on or start up
Troubleshooting: My computer won't turn on
Currently Being ModeratedFeb 29, 2012 8:12 AM (in response to Texas Mac Man)
I have now taken everything apart except the lid, the fans and the main logic board. This covers all connectors outside the lid. The cables to the lid all look OK.
Then I reassembled everything carefully -- same behavior as before.
Guess I really have to give up on this machine. :-((
Currently Being ModeratedFeb 29, 2012 10:45 AM (in response to freebitser)
Try to connect an external screen, TV or projector. If you can make that work, then the main logic board should be ok (as indicated by the chime). Go to the display control panel and see if it recognizes your screen. Is the screen completely dead or is it only the back light perhaps?
Having a display may help you to circle in on the problem with system profiler, utility software etc.
Currently Being ModeratedMar 1, 2012 7:33 AM (in response to Ingmar Hemsen)
The external display remains black as well. I guess I give up on this machine, the time it takes is probably worth more than buying a used replacement.
Thanks for your helpfulness!
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