Question about Apple iMac G5 Desktop

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IMAC G5 Boot problems

I trying to diagnose this for vendor of mine. The iMac starts up but then goes to a black box screen that says I need to restart this computer, in three different languages. After restarting numerous times it still goes right to the same screen each time. I am currently running Disk Warrior to rebuild the Directory structure. Any other suggestions?

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  • Anonymous Aug 05, 2008

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  • harold_20000 Aug 05, 2008

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  • Anonymous Mar 16, 2014

    Hi i have Imac all in one G5 of 2004 when i boot up the computer the screen start playing with kind of pixelated but sometimes the screen is fine. some people on the web have suggested to use external monitor to see if it is a monitor or graphic card but i cant find the adapter which is mini vga to vga. when i save a screen dump picture on usb and open it from another computer the picture is clear any idea what the problem is please!

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This sounds like the HDD hard died. Sometimes you can hit "option" at the startup to see if the HDD is corrupt. If you see a file with a questionmark in it, then you need to reinstall the OS, BUT before doing this, restart it and hold "apple T" it make the HDD and the computer a giant external hardrive. Just get a firewire cable and backup the hard drive onto another system before reinstalling.

If you see a disk icon come up, there is definate directory problems as it still recognises that it has a hard drive. Disc warrior might fix it.

Posted on Jul 02, 2008

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Power it back on. Right when you hear the startup sound, hold down Command and S together. This will bring up a black and white terminal prompt.

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