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| Powerbook G4 - Scrambled Screen |
Posted by: Innes on 2017-06-13 05:54:05
Hi All
Anyone able to diagnose whats up with the example linked below? I'm not interesting in buying (although it is a relatively blemish free case which is uncommon)
I guess im just curious, the image its outputting is bizarre
Failing Graphics chip perhaps?
Cheers!
http://www.ebay.co.uk/itm/Apple-PowerBook-G4-15-2-inch-model-A1025-/172724528326?hash=item28372f24c6:g:u84AAOSwjk9ZPE6Z&autorefresh=true
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Posted by: max1zzz on 2017-06-13 11:01:23
Yeah that looks like a failing graphics chip, The 2011 MBP's can come up with similar patterns when the chips go in those
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Posted by: jack on 2017-06-14 13:21:30
I wouldn't be surprised if an OS reinstall fixed that, there's always the possibility that a few bits were flipped on the graphics card driver and that's what resulted.
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Posted by: LightBulbFun on 2017-06-15 03:26:35
Considering it happens during the Boot screen which is strictly the OpenFirmware frame buffer it looks like indeed something is up with the Graphics chip or related circuitry
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Posted by: Nathan on 2017-07-05 05:54:55
Flaky cabling? Bad timing/sync? It looks like it's drawing the screen but duplicating bits of it.
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Posted by: Unknown_K on 2017-07-05 17:41:14
Maybe the video cable. Sucks because it looks mint oitherwise.
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