When I power up my iMac A1195, all the fans run at top speed and there is no video...black screen. I have tried another lcd screen, same results. It does the same thing even when memory is removed, so I suspect the logic board. Any tips or guides for testing the logic board?
When I power up my iMac A1195, all the fans run at top speed and there is no video...black screen. I have tried another lcd screen, same results. It does the same thing even when memory is removed, so I suspect the logic board. Any tips or guides for testing the logic board?
When I power up my iMac A1195, all the fans run at top speed and there is no video...black screen. I have tried another lcd screen, same results. It does the same thing even when memory is removed, so I suspect the logic board. Any tips or guides for testing the logic board?
When I power up my iMac A1195, all the fans run at top speed and there is no video...black screen. I have tried another lcd screen, same results. It does the same thing even when memory is removed, so I suspect the logic board. Any tips or guides for testing the logic board?