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My G4 400 Sawtooth AGP and video
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Dedicated MacNNer
Join Date: Oct 2000
Location: Madison, NJ 07940
Status:
Offline
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I have a problem on this 2.3 yr old computer. I have the 16 meg ATI AGP video, and a 19" Radius monitor. One day about 2 weeks ago, the computer
suddenly quit knowing what sort of video system I have. It always thinks I have standard VGA with 640x480 capability. It used to know that I have a Radius monitor attached and always put me into 1152x900 default, with tru color. Now, I have to set this thru OSX. When I hold the option key down and boot from firmware, the icons are huge sonce it is in such a low res state! This never happened before 2 weeks ago. What preceded this was the following: I had the system shutdown instead of asleep. When the system is asleep, normally all I do is press mouse key and things boot up.
That morning I had forgotten it was actually shutdown, and I absent mindedly touched mouse key and system popped up!! But, the GUI interface of OSX was gone, and all I had was a text based Darwin system which was at a # prompt with no on logged in! Not even root! I panicked!
When I rebooted, the video system was changed in the aforementioned way.
I re-installed OSX, to no avail. I have unplugged the battery to no avail.
The system works fine, but it has no knowledge of what sort of monitor I have nor its high resolution capabiliies. Formerly, OSX knew that I had a Radius monitor and had its profile automatically set. Now, I have to simply select generic capabilities.
What is wrong here? Is it hardware? Is it firmware? I also reset the PRAM, to no avail.
Richard
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Dedicated MacNNer
Join Date: Oct 2000
Location: Berkeley, CA, US
Status:
Offline
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A few questions before I offer any help or jump to conclusions:
What version of OS X are you running?
Do you have OS 9 installed and if so does this happen when you're in OS 9?
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brown is sweeter
me_puter: outdated
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Dedicated MacNNer
Join Date: Oct 2000
Location: Madison, NJ 07940
Status:
Offline
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Originally posted by brown monk:
<STRONG>A few questions before I offer any help or jump to conclusions:
What version of OS X are you running?
Do you have OS 9 installed and if so does this happen when you're in OS 9?</STRONG>
I have OSX 10.1.3 on one drive and OS 9.2 on the other. OS9 seems more
able to discern my video system, but I am most curious about the fact that the firmware always comes up with huge icons.
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Dedicated MacNNer
Join Date: Oct 2000
Location: Madison, NJ 07940
Status:
Offline
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Originally posted by RichardET:
<STRONG>
I have OSX 10.1.3 on one drive and OS 9.2 on the other. OS9 seems more
able to discern my video system, but I am most curious about the fact that the firmware always comes up with huge icons.</STRONG>
I re-installed OSX 10.1.3 last night plus re-installed OS 9.2.2, all new
partitions and now the video problems are gone. Sounds like a definite
software bug to me which affects firmware.
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