PB suddenly crashes! Black screen. Wont turn back on. Can anyone HELP ???
Hello everyone!
My 16months old 12" PowerBook suddenly crashed last time when I was working with it. I didnt do anything particularly challenging. The PB didn't get extremely slow or anything. All of a sudden it just turned down within a second. and the display went black. By the way, it was not running on battery but over power cord.
Then right away after crashing there was this weird high-pitched sound coming from the backside of the PB. When I tried to turn it back on the sound muted, still the PB wouldn't go back on.
It felt as if it wast all the way shut down, and not really on either.
I tried the key combination shiftoption+applepower button (or whatever it was) to restart it, but it didnt work.
so I took off the power adapter cord, and took out the battery.
After putting the battery back in i was able to turn the PB back on.
All this happened 3 times now.
very weird and very frightening!! Does anyone have a clue?? Can anyone help???
PLEEEASE!!
thanx.
PowerBook G4 Mac OS X (10.4.4) 1.33 GHz, 512 MB, Mini-DVI
That's not much to go on, but here are a couple of guesses that may lead you in the right direction:
1) The high pitched noise could have been a fan dying, followed by the CPU overheating and the system shutting itself off to prevent damage. If you left it sitting for a couple of hours and it rebooted okay (or started to), and then crashed again shortly thereafter then it's probably a fan.
2) If now the system sounds and feels like it's booting up normally, but with nothing on the screen at all, the lamp (not sure what the technical term is) for the LCD could have gone bad. This happened to me a while back. If you have an external monitor available, try plugging it in and see if the machine comes up on that display.
Either way you're almost certainly going to want to take it in to be serviced. Best of luck!
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