Much more difficult to

Replace. It could be Motherboard. So it wont boot to either the Hard drive or CD.

Ive left it there for up to hours with no change. Replace. It could be the PRAM Battery. AnswerDid it ever boot? When? What Changed? It could be electrical supply, plug into another circuit. It could be PowerSupply. Ive already tried booting off CD, but after minutes of holding either the or the OPTION key it didnt do anything. You are here Experts > ComputingTechnology > Focus on Mac Support > Macintosh OS > Quicksilver G4 wont bootQuestionI have Quicksilver tower that wont boot. It starts up, after minute or so, it goes from the gray screen to the pale blue screen.

I also tried resetting the PRAM during boot and the PSU with the button on the motherboard. I tried removing some of the RAM to see if it was bad chip, and also unplugging the hard drives and plugging in an empty spare have but no go. So it wont boot to either the Hard drive or CD. Ive already tried booting off CD, but after minutes of holding either the or the OPTION key it didnt do anything. AnswerDid it ever boot? When? What Changed? It could be electrical supply, plug into another circuit. It could be PowerSupply.

Replace. It could be Motherboard. Do you have any suggestions?

Replace. It could be Motherboard. Add to this Answer Ask Question Rate this Answer Was this answer helpful? Not at 12345 . Do you have any suggestions? Thank you very much. I also tried resetting the PRAM during boot and the PSU with the button on the motherboard. I tried removing some of the RAM to see if it was bad chip, and also unplugging the hard drives and plugging in an empty spare have but no go. I hear the hard drive working every once in while, but it never goes past that.

Do you have any suggestions? Thank you very much. Ive left it there for up to hours with no change. Replace.

Replace. It could be the keyboard or mouse, disconnect and boot without. It could be external devices, disconnect all and test.
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