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G4 Help needed. Please!

by thejamessea / June 22, 2008 8:16 AM PDT

Hi all.

I recently picked up an older G4 and I was hoping to get it going for use as either a secondary computer, or a media server.

Either way, it's giving me huge hassles. I really hope someone can help me.

The symptoms are as follows:
I hooked up a monitor via DVI connection and turned on the computer. The light behind the power button comes on on the tower, but on screen the monitor says "Digital Connection in power save mode. Press any key or move the mouse to wake" or something to that effect.

Now, pressing buttons on the keyboard or mouse elicits no response, which leads me to believe that the computer isn't booting up. Naturally I can't boot in safe mode or anything like that, as the signals from the keyboard and mouse aren't making it to the computer.

Anyone have any thoughts? I'm pretty much a casual computer user, so please try to help me out here. I'm a quick learner! : )

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Collapse -
DVI or ADC?
by mrmacfixit Forum moderator / June 22, 2008 9:21 AM PDT

The older G4 machines did not have DVI connections but some graphics cards did.

I guess that as you have actually managed to connect the monitor, then the connection is done.
Is this an Apple monitor and some other brand?
Some other brand would indicate DVI, Apple would indicate ADC.

Is there a VGA connection on this machine? If there is, do you have a regular monitor you could connect to it?


P

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What model desktop?
by pjschmitt1 / June 23, 2008 10:24 AM PDT
In reply to: DVI or ADC?

I would ensure that the machine had a valid Hard Drive. You could try and start the machine up from another mac in target disc mode to see if that drive has any other affect upon it. Maybe use a system disc to start up.

Trying to use a standard vga monitor to connect to the standard vga connections of the tower might be worthwhile. Not knowing what model you are seeking help for, makes a good useful answer a little challenging but it sounds like you should try apple KB and Mouse in a built in USB port to try and wake the hard drive.

Then I would start to check all the connections and hit the reset or CUDA button on the board if yours has one. The video cards can become a little loose sometimes and ensuring a proper seating of the PCI slot can change everything.

Then of course there is always the reboot or restart and the PMU treset and the PRAM zap. start up holding down the apple, option, P and R keys. Hold them down and keep them depressed after pushing the start up button for a total of three bongs. The second bong may sound a little softer than the first. I do 3 just because I want to make sure the first one counts.

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