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G4 Titanium DVI display went dark
http://www.powerbookmedic.com/forum/viewtopic.php?f=6&t=3122
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Author:  mbehan [ Sun Dec 04, 2011 12:34 pm ]
Post subject:  G4 Titanium DVI display went dark

I broke the right hinge recently and have been operating it carefully with just the left hinge working. Yesterday the display remained dark when I opened it and booted it up. I removed the old hinge and moved the wire a little to no avail. However, it does now run on an external monitor with no problem.

How do I determine if it is a wire problem or an inverter board problem? I want to order and replace the inverter board but am hesitating as it may be just a damaged wire? I looked at the wire carefully around the right hinge area but I can see no apparent damage! Could the inverter board have shorted out due to a wire problem resulting from the damaged hinge?

Is there a sequenced troubleshooting method to determine the display problem. I also do want to replace the hinge as part of the total fix?

Any suggestions for sequencing the total fix?

Author:  justin-pbmedic [ Mon Dec 05, 2011 11:18 am ]
Post subject:  Re: G4 Titanium DVI display went dark

The inverter board could have shorted out yes, but I would really double check the inverter cable wires in the hinge and make sure there is no bare wire showing that could be rubbing up against the metal chassis.

Author:  mbehan [ Mon Dec 05, 2011 4:33 pm ]
Post subject:  Re: G4 Titanium DVI display went dark

Are the wires available for purchase and is it a difficult fix if I replace the inverter board?

Author:  justin-pbmedic [ Tue Dec 06, 2011 11:02 am ]
Post subject:  Re: G4 Titanium DVI display went dark

The wires are not available as they are part of the display. We typically splice them back together.

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