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G4 Cube Doesn't Power On
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Dedicated MacNNer
Join Date: Aug 1999
Status:
Offline
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I have a G4 Cube that won't power on.
The LEDs inside the Cube are lit (one green, one red). The power switch illuminates when I push the power button on either the Cube or the display.
When pushing the power button, the light comes on but NOTHING happens. No sounds, no drive spinning, nothing.
Any ideas?
We've tried pushing the logic board reset, turning off the power, etc...
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Forum Regular
Join Date: Oct 2001
Location: Tenia Pedis
Status:
Offline
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Originally posted by MadBrowser:
I have a G4 Cube that won't power on.
The LEDs inside the Cube are lit (one green, one red). The power switch illuminates when I push the power button on either the Cube or the display.
When pushing the power button, the light comes on but NOTHING happens. No sounds, no drive spinning, nothing.
Any ideas?
We've tried pushing the logic board reset, turning off the power, etc...
Last time that happened to me I had A 333mhz iMac, and it turned out to be the logic board AND the processor. I don't know if that is the problem in your case, but it seems similar. Of course the only way to know for sure is to take it to an Certified Apple repair shop. Good Luck!
edit: Is your Cube modded at all? They have a problem with the dc/dc converter (or vrm) oveheating and dying on some Cubes that are drawing more power than the stock config. (hop on over to Cube Owner, as there may be more info available over there. Lots of helpful info!)
P.S. If ya wanna sell it for parts, let me know!
(Last edited by PowerCube; Dec 5, 2003 at 07:46 AM.
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Somewhere out there is my sanity..... but I'm not looking for it!
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Junior Member
Join Date: Jan 2001
Location: sacramento, ca
Status:
Offline
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theres an excellent cube faq over at cubeowner.com.
beware...read the faq BEFORE asking in the forums, or you'll get smacked down my the faq nazis.
FYI, the cubes are very delicate. i upgraded to the processor and have to reset the CUDA switch on the logic board EVERY TIME the computer powers off...luckily that isnt very often.
also, if you've had the cube apart very much, it is very easy to leave something loose and cause a non-booting situation.
even if you havent been mucking about, try reseating the video board, the VRM module (the ram-looking board along the end of the video card with the drive ribbon coming out of it)
another thing-- regarding the CUDA switch (the button on the motherboard). you should leave the power cable plugged into the cube's cage when you press it ONE time. then, try powering up.
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