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No 100hz refresh rate on monitor

Last response: in Windows 7
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October 10, 2009 5:22:09 PM

Can't get 100hz refresh rate on my monitor with windows 7 64bit.

I tried using a custom monitor driver I made with powerstrip, but it still won't allow it.

I'm using an ATI 5870 video card. even the ati control panel won't let me force a refresh rate higher then 60hz.

I really need a 100hz as I'm using a CRT, and I need 100hz for gaming.

Any help me greatly appreciated
a b $ Windows 7
October 10, 2009 9:58:36 PM

You don't need 100Hz for gaming as 85 or 75 will be flicker-free. Have you had this monitor run at 100Hz before? I wouldn't be surprised if a refresh rate that high has been dropped in Windows 7 given that CRTs are old hat and TFTs don't go that high.
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October 10, 2009 10:10:53 PM

the 100hz depends on your monitor rather then the PC. What monitor do you have?
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October 10, 2009 10:41:44 PM

max refresh depends on the monitor

anything over 75 is more than you can see. i do recommend setting to the highest you have available as it helps reduce eyestrain, but that is a long term effect not one that you can perceive at any point
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October 11, 2009 8:15:07 AM

CRT's update at 30 fps anyway.....
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October 11, 2009 9:26:46 AM

uh_no said:
CRT's update at 30 fps anyway.....


What a complete load of rubbish!
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a b $ Windows 7
a b C Monitor
October 11, 2009 2:19:25 PM

WIn 7 supports rates over 100hz. I have a 120hz Samsung 2233 lcd panel and 3D glasses......:) 
Your ati drivers might not support higher refresh rates since they don't have 3D support.
Only nvidia has that right now with a driver addin.
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October 11, 2009 5:55:21 PM

uh_no said:
CRT's update at 30 fps anyway.....


would you be so kind as to explain why CRT's use 30fps? ? ?


ATI has supported 120 for a long time I had a old crt running at 120 for several years using ati, sadly i dropped that monitor one day and it turns out crt's don't work with a big crack in the screen.
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a c 209 $ Windows 7
October 11, 2009 8:23:49 PM

505090 said:
would you be so kind as to explain why CRT's use 30fps? ? ?
I'd wager he's referring to NTSC, but even that paints 60 fields per second (odd, then even scan lines) so that one complete frame is drawn in 1/30 of a second.

All computer monitors for the last couple of decades have used progressive scanning which has nothing to do with the NTSC standard.
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October 11, 2009 8:48:35 PM

your probably right, though it doesn't have much relevance in this thread
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a b $ Windows 7
October 12, 2009 4:58:14 PM

If you're moniter supports it, then you just found a bug.

And BTW, the reason you want such high refresh rates, is it results directly in the drawing of more frames per second to the screen.
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a b $ Windows 7
a b C Monitor
November 27, 2010 8:08:17 PM

This topic has been closed by Mousemonkey
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