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turn computer on, no display, and fans full speed...

1678 Views 15 Replies Latest reply: Feb 19, 2013 8:28 AM by guitar guy RSS
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guitar guy Level 2 Level 2 (320 points)
Currently Being Moderated
May 23, 2012 3:59 PM

Hello.

I have a Power PC G5 quad running 10.5

 

I have the old apple cinema display with the adc to dvi adapter.

It has been running fine until....

Today, i had to unplug the display, and remove all usb attachments from the G5 and move the computer to have my room painted.

I just put it all back together, correctly, and when I power up the G5, the display does nothing, and i hear the copmuter power up, but after about 30 seconds, the fans start running full speed and don't stop.

 

And so without any monitor, i have to force shut down the computer (or let the fans run full speed for eternity...)

When I push the power button on the display, the power light within the button lights up, but goes dim when I release the power button. And the display never turns on.

 

I'm wondering what went wrong.

 

Any thoughts?

 

Thank you all!!!

PowerMac, Mac OS X (10.5.8), quad core
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