Problem with Monitor Refresh Rates

d2arcturus

Senior member
Oct 18, 2004
918
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i had a radeon 9600 pro, and was running my monitor at 85Hz; 1280x1024 and everything was going fine
i put in my new evga 6800 gt, and the monitor is stuck at 60Hz, won't even go to 70! what's going on?

little help please...
 

yezhou

Senior member
Sep 13, 2004
269
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0
Go in the NVidia control panels and see if you have Refresh Rate Overrides on for those resolutions.
 

kylebisme

Diamond Member
Mar 25, 2000
9,396
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You won't have any overides unless you set them yourself. My best guess is something went screwy in software on the swap between cards. If you didn't uninstall your Ati drivers before pulling the card it can cause all sorts of trouble. Try useing Driver Cleaner to wipe everything out and start fresh.

http://www.driverheaven.net/cleaner/
 

cryptonomicon

Senior member
Oct 20, 2004
467
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im guessing you have windows XP which can always be a little funky. I used a program called reforce which is extremely powerful to override my rates. However now Nvidia has that built into the settings as mentioned above.

be sure you dont set the rates above your monitor's supported hz!!!

i forced 120hz when i had a limit of 100hz once and I had to boot into safe mode and re-install the drivers after that since there was no way to correct it from windows.
 

d2arcturus

Senior member
Oct 18, 2004
918
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ok, when i installed my new card, i started fresh, wiped HDs and all
when i set my monitor to run at even 70Hz the green light goes amber with black screen and resets back to 60Hz with the Esc button or 15 sec


when i use override i set 1280x1024 to 85MHz, even tried 70MHz, the screen stays blank with the light amber-colored and i have to restart to undo the override

grrrr i hate 60Hz!
 

yhelothar

Lifer
Dec 11, 2002
18,409
39
91
On the monitor tab in advanced properties, uncheck hide modes this monitor cannot display.
 

ScrewFace

Banned
Sep 21, 2002
3,812
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Just use RefreshForce and set the desired refresh rate for every resolution you're using. It works great on nVidia cards but it doesn't work on ATI cards.:)