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Old 09-04-2011, 03:48 PM   #1
microft777
LQ Newbie
 
Registered: Aug 2011
Posts: 3

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Unhappy Can not change monitor refresh rate in ATI Catalyst Center


I recently made a mistake in attempting to edit Sudoers; so I decided to reinstall Ubuntu 11.04.
When booting into Ubuntu now an error message displays on the Dell 1708FB-BLK monitor: "The current input timing is not supported by this monitor." I'm using the VGA receptacle on this monitor.
I opened ATI Catalyst Control Center and clicked on Monitor 1; but it has 75HZ refresh rate which disagrees with the 60HZ refresh rate elsewhere at Control Center>Monitors and it doesn't allow changes.
I reinstalled the proprietary FGLRX driver and the ATI Catalyst Control Center without any change. Also ran Command: 'xrandr --output DFP1 --Mode 1280x1024 --rate 60; but there was no change.
I'd appreciate any help

Last edited by microft777; 09-05-2011 at 10:30 AM. Reason: forgot something
 
Old 09-05-2011, 10:38 AM   #2
microft777
LQ Newbie
 
Registered: Aug 2011
Posts: 3

Original Poster
Rep: Reputation: Disabled
Unhappy Can not change monitor refresh rate in ATI Control Center

I opened System>Administration>Additional Drivers and removed FLGX Proprietary Driver
and rebooted. The error message no longer pops-up. Guess I will have to see if there is a
better Proprietary Driver or an ATI Radeon 4200 Driver for Linux.
Not sure if this problem is really solved yet.
 
Old 09-05-2011, 11:54 AM   #3
microft777
LQ Newbie
 
Registered: Aug 2011
Posts: 3

Original Poster
Rep: Reputation: Disabled
Can not change monitor refresh rate in ATI Catalyst Control Center

After doing some research, found that I am not the only one with ATI Radeon HD 4200 FLGRX Proprietary Driver Problems.
BTW ATI Catalyst Control Center comes with FLGRX.
I found this: https://wiki.ubuntu.com/X/Troublesho...thRadeonDriver
Hope this helps others with this problem

Last edited by microft777; 09-05-2011 at 12:05 PM. Reason: Forgot something
 
  


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