Refresh Rate - Drivers or ?

March 31, 2009 at 06:08:57
Specs: Windows XP
I can't get my refresh rate any faster than 60 Hz at 1600 x 1200. I've done a bunch of searching and some sources say it's a XP issue, others a nVidia issue. I have not been able to find any updated drivers than what I'm using. Monitor settings say I should be able to use 70 Hz but it doesn't work.

Monitor - Viewsonic VP2030b, driver version- 1.5.0.0
Adapter - Quadro2 Pro, driver version - 7.1.8.9
OS - XP Pro

Any suggestions? Thank you.


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#1
March 31, 2009 at 06:27:26
Have you done this ----
1.In the Display Properties dialog box, click the Settings tab.

2.Click the Advanced button.

3.Click the Adapter tab, and then click the "List all modes..." button.

4.Select the resolution, color depth, and refresh rate that you want and click OK.


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#2
March 31, 2009 at 06:45:11
If you are using an LCD display 60Hz is the default setting.

According to the specs on your LCD display the max. resolution is 1600x1200. So there is nothing wrong with your settings.

Full 20.1" viewable screen
1600x1200 optimum resolution and HD-720p compatible.

If you are having issues reading text then try enabling ClearType.


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#3
March 31, 2009 at 07:24:55
As OtheHll suggests 60Hz is the default for an LCD which is what your monitor is. LCDs don't suffer from flicker the same as a CRT monitor does so a high refresh rate is not necessary. There is no advantage in having a higher refresh rate.

Stuart


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Related Solutions

#4
March 31, 2009 at 07:42:40
Then again,
do the "Monitor" tab in item 3 above,
then make sure the box is checked for 'Hide modes that this Monitor cannot display,
then above that, see what the drop down list shows under "Screen Refresh Rate

For my LCD, that says 60, 70, 72 for a selection.


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#5
March 31, 2009 at 08:02:49
Chuck2

That doesn't mean you should use those refresh rates. Your LCD also will diplay resolutions other than the native resolution. That doesn't mean you want to use them.


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#6
March 31, 2009 at 08:16:26
Actually,
my Monitor manual says UP TO 75 Hertz, depending on Resolution. After hook-up, XP set rate to 70 Hz.
I never have messed with it.

Why fix it, if it ain't broke...Just throw it out the window


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#7
March 31, 2009 at 08:58:26
Are you also running at the native resolution and at 32 bit color?

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#8
April 5, 2009 at 06:55:26
Thanks for all the feedback. Yes, I've done all the suggestions mentioned above. But, 60 Hz is not acceptable! - the screen is noticeably wavy/flickering. "Hide modes that this Monitor cannot display" is checked and 70 Hz is on the list but is "out of range" when I try to use it. I find it hard to believe that I'm stuck with 60 Hz. Thanks again.

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#9
April 5, 2009 at 07:13:55
Is the monitor selected by name in the monitor section of your advanced settings?

The excerpt below states the best setting is 60Hz. You may have something going wrong with the monitor. The backlight or some other part may be causing the flicker. As Stuart and I have stated, 60Hz should be rock solid. I am currently using a 22" Samsung @ 1680x1050 @60Hz. There is no flicker at all.

For the best picture quality set your LCD display timing mode to:
VESA 1600 x 1200 @ 60Hz.
To set the Timing Mode:
1. Set the resolution: Right-click on the Windows desktop > Properties > Settings > set the
resolution.
2. Set the refresh rate: See your graphic card's user guide for instructions.
WARNING: Do not set the graphics card in your computer to exceed the maximum refresh
rate of 85Hz; doing so may result in permanent damage to your LCD display


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#10
April 6, 2009 at 03:44:31
"Is the monitor selected by name in the monitor section of your advanced settings?" - YES! It's the only one offered as a choice. I'll swap monitors with another computer that I have and see what happens. That should tell me if it's the monitor or the graphics card.

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