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| Click here to select a new forum. | | PowerBook 17" problem | Posted by: galgot on 2015-10-25 08:53:30
Hi,
I have a problem with a PowerBook G4 17" 1.67Ghz A1107. Was working fine apart some graphic problems sometime when opening the screen after sleep, would show all distorded screen with mixed up pixels blinking…
Closing , then re-opening the lid would solve the problem.
It did that the other day, but this time the trick of closing-opening the lid did not worked. Screen stayed black. Even after force reboot, the screen stayed black , even tho I had the chime and distinct noises from the HD and stuff that the machine was booting.
So I though it could be bad contacts on the screen connectors to the board. I elected to swap the screen with a 17" wreck, a HR A1139. Had tried that before and it was working, didn't kept the HR screen cause it had a yellowish tint… Anyway I thought it would work.
But , did the swap , and now the machine won't boot. Only the fans runs, nothing else.
Tried reset PMU, zap PRAM, swapping RAM places… no joy...
Do you think a dead video chip could cause that ?
| Posted by: techknight on 2015-10-25 10:59:08
bad GPU.
| Posted by: galgot on 2015-10-25 11:01:32
Sh…t :-/
Thks techknight.
| Posted by: galgot on 2015-11-13 00:05:37
So swapped screen again. Had another spare, 1440x900 this one. And it works !!
Any idea why the hires one would prevent the PB from booting ?...
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