Hello everyone,
I own a 7 year old Powerbook G4 1.67GHz 15'' Model A1106, and yesterday it gave me a surprise. When I turned it on everything was ok, the keyboard (caps lock, num lock, volume and illumination controls were all working), the sound was working (i got the startup chime), but the screen wasn't showing anything. When I closed the lid to put the laptop to sleep, I noticed that the apple backlight logo wasn't ON and the laptop did not go to sleep mode. The LED sleep indicator was not functioning as well. The laptop kept working normally but with out any display functions working. I tried connecting an external monitor and i got no signal as well on it.
The only known problem up until yesterday were random horizontal lines in the laptop's screen and in my external monitor when connected to it, due to a faulty GPU that overheated. To avoid it the problem from getting out of control, I always kept the laptop in a cooled environment. And it seemed to work up until yesterday.
Does any one have any suggestion as to what can i do to fix this issue?
Many Thanks
I own a 7 year old Powerbook G4 1.67GHz 15'' Model A1106, and yesterday it gave me a surprise. When I turned it on everything was ok, the keyboard (caps lock, num lock, volume and illumination controls were all working), the sound was working (i got the startup chime), but the screen wasn't showing anything. When I closed the lid to put the laptop to sleep, I noticed that the apple backlight logo wasn't ON and the laptop did not go to sleep mode. The LED sleep indicator was not functioning as well. The laptop kept working normally but with out any display functions working. I tried connecting an external monitor and i got no signal as well on it.
The only known problem up until yesterday were random horizontal lines in the laptop's screen and in my external monitor when connected to it, due to a faulty GPU that overheated. To avoid it the problem from getting out of control, I always kept the laptop in a cooled environment. And it seemed to work up until yesterday.
Does any one have any suggestion as to what can i do to fix this issue?
Many Thanks