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Old May 19, 2005, 11:20 AM   #1
shadowmoses
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AHHH Powermac G4 wont startup PLease HELP???

Hey guys bit of a panic:

I was doing my normal stuff(browsing these forums and ebay) on my Powermac G4 when suddenly i got one of those evil OSX Tiger please restart screens popup in the middle of my screen telling me to restart my computer by hitting the reste button or holding the power button for 6 seconds......I proceeded to do this and myu powermac now wont boot properly!!!

So now my powermac switches on but doesnt show anything on the screen my monitor remains black. I have tried re-seating the graphicscard and RAM but neither have done the trick.

I would be very grateful for some help and if anyone would know what the cause of a problem like this could be i would like to know.

Thanks in advance,

SHadow
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Old May 19, 2005, 12:05 PM   #2
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do you have your Hardware Test disc that came with the computer? Try booting from that to see if there is a hardware problem.
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Old May 19, 2005, 12:09 PM   #3
Passante
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try these
http://www.info.apple.com/kbnum/n95054
http://www.info.apple.com/kbnum/n95055

good luck!
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Old May 19, 2005, 12:25 PM   #4
shadowmoses
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Thanks given all these a try but still no luck think i have to get hold ofa new PRAM battery, but any iother suggestions are welcome,

Thanks
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Old May 20, 2005, 08:53 AM   #5
Gokhan
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ok

try zappping the pram hold down apple key+control+p+r at the same time then press start-up let it chime 3 times and let go

also hold apple+control+o+f and start up when in open firmware type reset nv-ram

hope the work or look for the location of the pmu and do a reset go to apples website for more info

failing that try swapping ram testing it etc

try the basic things if no joy looks like a hardware problem
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Old May 20, 2005, 09:23 AM   #6
superfunkomatic
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i've experienced something like this a while back too.
try resetting the PMU, instructions here

http://docs.info.apple.com/article.html?artnum=95037

if not, replace the battery.
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Old May 20, 2005, 10:28 AM   #7
shadowmoses
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Solved the problem by replacing the battery, it was 6yrs old after all, well the Yikes will do for now until i get my mac mini,

Thanks,
shadow
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Old May 20, 2005, 10:41 AM   #8
Passante
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Yikes!

Glad you fixed it.
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