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Screen resolution 10.1.5
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Forum Regular
Join Date: Sep 2000
Location: Michigan, USA
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I have an older beige G3 tower with an XLR8 500Mhz G4 upgrade card (zif card). I'm running 10.1.5 because XLR8 never developed a way to make their upgrade card work on OS later than 10.1.5 [if anyone knows otherwise, please let me know - I'd like to upgrade]
After the recent power outage I restarted and now the computer won't recognize the monitor (Viewsonic G90f) resolution can be anything higher than 640x480. It provides no other choice in the displays menu. ALSO - there is no "detect displays" option in 10.1.5 like there is in Jaguar.
I've tried restarting several times but it doesn't ever detect the monitor correctly (and I leave the monitor on throughout startup). I've tried playing with monitor assignment under the "color" tab in "Displays", but of course that was a vain attempt at changing something unrelated.
Anybody have any idea how to get my high resolution back? It was FINE before the power outage. I usually leave it running 24/7 crunching SETI and rarely shut it down.
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MBP 17" Core i7 matte screen; iPad 16Gb 3G
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Forum Regular
Join Date: Nov 2002
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Maybe the video card is jacked. Try booting into OS 9 and see if the problem affects it too...then we can see if it is a hardware problem or if OS X got "corrupted" somehow.
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Forum Regular
Join Date: Sep 2000
Location: Michigan, USA
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Good idea. I just checked - the resolution is perfect in OS 9. Must be an OS X problem.
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MBP 17" Core i7 matte screen; iPad 16Gb 3G
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Forum Regular
Join Date: Sep 2000
Location: Michigan, USA
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While I was in OS 9 I ran a diagnostic scan in DiskWarrior, found everything was fine, and restarted in OS X. This time it recognized the monitor and displayed the correct resolution.
It's fixed, but I don't know why...
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MBP 17" Core i7 matte screen; iPad 16Gb 3G
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Forum Regular
Join Date: Nov 2002
Status:
Offline
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Originally posted by Jeff75:
While I was in OS 9 I ran a diagnostic scan in DiskWarrior, found everything was fine, and restarted in OS X. This time it recognized the monitor and displayed the correct resolution.
It's fixed, but I don't know why...
It was probably a disk error somewhere that jacked up a OS X system file.
Doesn't really matter now since everything is back to working order  . And be thankful there was no power surge to fry your vid card or some other hardware. 
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