[G4] Black Display/Sleep mode problem

[Al Poulin]

Hello:

You did not mention resetting the PRAM.  I would let it run for three  
or four bongs.  At startup, immediately press four keys:  Apple/ 
command, Option, p,r.

Al Poulin

On Sep 16, 2008, at 7:08 PM, Roxylee wrote:
> Before taking my display to a repair shop, I thought I'd ask for  
> advice here. I was given a 2002 DP MDD G4 running 10.5. pumped up  
> processor and RAM, with an Apple LCD display. I ran the Apple  
> software update  to 10.5.4. Everything was fine for a few days, then  
> the battery started going, so I reset the time and date manually.  
> The computer wouldn't connect to the internet until I reset time and  
> date, then rebooted. This went on for a few days. I put it in sleep  
> mode to avoid rebooting, and I think the display might be stuck in  
> sleep mode, because while the power and brightness lights are on,  
> (dimmed) the screen stays black. Unfortunately, the monitor on the  
> kids computer has a different connection, so I can't hook it up to  
> mine to test the computer. I tried the Apple LCD on theirs, with the  
> same results. I have ordered a new battery, but have no idea if that  
> will resolve the sleep mode problem, or even if that is the problem  
> with the display.
>
> I tried various recommended key combinations and  the wake button on  
> the keyboard, I unplugged everything overnight,  checked all  
> connections, changed outlets in the surge protector, pressed the  
> CUDa button for a second,  the cards are seated firmly. The display  
> power button comes on and the screen remains totally black. When  
> pressed again, the display power button won't power down the  
> computer. Has anyone ever encountered this problem or does anyone  
> have any ideas to try? Thank you in advance.:-)
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