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Another possible fix for dead-screen G3 iMacs
Authored by: buddilla on Feb 25, '05 09:48:45PM

Thats half of the fix for this issue.

When fixing this issue at work. We take another hard drive with os nine installed with the proper Firmware updates on the desktop. We install the drive switch out the ram then boot from that drive. Most of the time the screen shows video. At times when it doesnt ahow video we put the machine to sleep then wake it. Then we install the firmware updates. We then put the origonal drive back. This in most cases usually fixes the video issue. In the rare cases where it doesnt the machine will require a new logic board. Costing about 250 for the slot load or 230 for the tray load.

This "Hack" has been the best method that has saved alot of our customers from having to buy a new logic board. Yet who would want to replace the logic with all new macs out. Yet some buy them.

-drew

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Another possible fix for dead-screen G3 iMacs
Authored by: glatter on Feb 26, '05 02:52:05AM

Yeah I basically resurrected my neighbour's iMac G3 350 slot loader the same way.I had done all the wrong thing's like zapping the pram and after all that it wouldn't do any thing. The only way I could get it to boot again was to move the ram, zap the PRAM 3 time's and then boot into OS9 with the firmware on the desktop. And as you say put it to sleep and then wake etc. Had about 3 week's of heartache nearly two year's ago untill I did it.



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