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Windows 7: Refresh rate stucks at 60Hertz


21 Jan 2010   #1

windows 7
 
 
Refresh rate stucks at 60Hertz

Hi guys! Im facing this really annoying problem on my computer and i need help from you guys! Thanks before hand!

To the problem, my computer is a HP Pavilion Dv5t-1000 (GPU nVIDIA 9200M) with windows 7 installed anew. I used to run windows 7 beta and the RC2, but when i upgraded to the full version, i face this issue: the screen refresh rate stucks at 60 hertz.



As you can see from the screenshot, theres no option to show all the unavailable display options. even in the nVIDIA control panel, the option is also disabled, and theres no way to create custom resolution, even though i have updated to the newest driver.

I think its because of the screen, as it is shown on the device manager as general PnP monitor. So i was trying to find the driver for the screen on the HP website. Then as i tried to install this file

Mobile Intel 4 Series Express Chipset Family Graphics Driver

It gives me an error, saying that my computer doesnt meet the minimum requirements for the software.

This is ridiculous. I asked a HP expert, and he asked me to upgrade my bios. Didn't help also...

I really need help desperately because 60hzt is killing my eyes Please help me guys!

My System SpecsSystem Spec
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21 Jan 2010   #2

win 7 ultimate32bit, Win8.1pro wmc 32bit
 
 

hi rougecrown , i may be totally wrong here but i think 60 htz is the standard refresh rate for lcd and tft my main pc has an lcd ,that runs at 60htz ,with no options available ,my lappys also run at 60 htz also i have no flicker,is pleasing to the eye don't know if thats any help
My System SpecsSystem Spec
21 Jan 2010   #3

Windows7 beta 7000
 
 

My Gateway LCDs with an Nvidia graphic card gives me two options: 59 and 60. That's it.
My System SpecsSystem Spec
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21 Jan 2010   #4

Windows 7 Home Premium 64bit
 
 

Hello RougeCrown,

Have you aslready updated all your drivers to Windows 7 versions? Particualrily the chipset and graphics.
For Windows 7 32bit:Select software and drivers HP Pavilion dv5t-1000 CTO Entertainment Notebook PC - HP Customer Care (United States - English)

For Windows 7 64bit:Select software and drivers HP Pavilion dv5t-1000 CTO Entertainment Notebook PC - HP Customer Care (United States - English)

May be why it is showing as a generic PnP monitor.

It is however, quite common for higher resolution displays to show a refresh rate of 60 OR 59 (or 59.97 to be more exact)
My System SpecsSystem Spec
21 Jan 2010   #5

Windows 7 64-bit Ultimate
 
 

Mmm, the dreaded Generic PNP monitor "bug" roars it's ugly head again.
(Do people actualy search this forum before posting...? When posting this i got a few "similar threaths" on the bottom of the screen).

If WhichmMaster's tip doesn't bring anything...

...take a look here first:
Resolution and refreshrate problems in Windows 7
for general info on what it's all about...

Then go here:
Tom's Hardware
Read through this topic from top to bottom. You either need to create your own resolutions with their refreshrates, go through Powerstrip to make your own custom driver, make your own EDID file or edit the monitor's .INF file.

For more info just Google on Windows 7 resolution problems or Windows 7 refreshrate or something like that. You then have all the info you need to solve your problem.


PS: both links handle about the inability to choose a certain resolution but not having the option to choose various refreshrates is directly related to the same problem.
PPS: tweaking your refreshrate from the 60Hz to something in between 59 and 60 can solve your problem too.
My System SpecsSystem Spec
22 Jan 2010   #6

windows 7
 
 

hi guys, thanks for giving me advices, but unfortunately, none of the advices works. I tried the nVIDIA mod, and yes, the option to create custom resolution exists. But then every time i change the refresh rate, it will turns back to 60 Hertz again.
My System SpecsSystem Spec
22 Jan 2010   #7

7 Ultimate x64
 
 

Quote   Quote: Originally Posted by RougeCrown View Post
... the problem, my computer is a HP Pavilion Dv5t-1000 (GPU nVIDIA 9200M) with windows 7 installed anew... I really need help desperately because 60hzt is killing my eyes Please help me guys!
I'm afraid I don't understand? Are you hooking up a CRT monitor to this notebook? If you're not, then I can't see how the refresh rate is, or can be, hurting your eyes? LCD's don't work the same way CRT's do, so 60hz is more than sufficient as far as refresh rates go.

Is your screen actually flickering?
My System SpecsSystem Spec
22 Jan 2010   #8

Windows 7 64-bit Ultimate
 
 

60Hz should be enough for an LCD (higher is better if you can set it higher, i just love the view of those 120Hz LCD monitors which are still way to expensive).

If his screen is not flickering but he gets a fuzzy screen, adjusting to refreshrate anywhere between 59Hz or 60Hz should do the trick. Which exact frequency he should use is a bit of trial and error.

@RougeCrown: As far as i know, drivers above 182.50 have problems with the creation of custom res/freq's.
If succesfull, the custom res/freq's you created should be possible to select.
If your LCD returns to 60Hz then it's possible that it does not allow a higher frequency. If your screen looks fuzzy you need to adjust the freq between 59 and 60Hz with tiny steps (i did read that some people have to go a little above 60Hz to get it right eventualy).

Questions:
- Is your screen flickering (already asked)?
- Is your screen fuzzy?
- What was the refreshrate under beta and RC2?
- Did you try through PowerStrip? If yes, did you performed the step "have disk" when creating a custom driver? You find a step by step guide in the Tom's Harwardware link above
My System SpecsSystem Spec
22 Jan 2010   #9

7 Ultimate x64
 
 

Higher isn't better if the screen does not support it... and there's no distinction between 59 or 60hz, visual or otherwise, as far as the OS and drivers are concerned.

Besides, with an LCD monitor, a "refresh rate" really doesn't exist, per se, because that's just not how LCD's work: LCD's don't draw the screen 60 times a second like a CRT.

The wife is now enjoying an old BenQ of mine, and as I recall its rate was 75hz, but honestly, until this thread popped up I had forgotten all about it being the odd man out at 75hz... maybe I'll walk over there and set it to that one of these days... ... maybe not, because I can't say I've noticed there's anything at all wrong... it's perfect at 60.

I would say that maybe the problem was the OP didn't install the monitor's drivers... but it's a notebook... I'm assuming complete with HP cd with all his drivers, so he has everything he needs, right?
My System SpecsSystem Spec
22 Jan 2010   #10

Windows 7 64-bit Ultimate
 
 

Quote   Quote: Originally Posted by Fumz View Post
Higher isn't better if the screen does not support it... and there's no distinction between 59 or 60hz, visual or otherwise, as far as the OS and drivers are concerned.
I don't agree there Fumz. Not with Windows 7. A lot of people suffer (you don't as far as i can see) from either:
- a resolution problem, where they are unable to select the resolution (and it's accompanied refreshrate on CRT's) they used to use under Vista or XP. This can be solved in various ways as decribed above.
- they suffer from the problem that at the native resolution and refreshrate of the LCD, their view just looks really bad and fuzzy. This is mostly solved (on LCD's at least) by setting the refreshrate to anything in between 59Hz and 60Hz (like 59,17Hz or so... when all of a sudden your picture becomes razor sharp again). It may see and sound unlogical but it is what it is.
Just Google a bit about this problem, sit back, relax and enjoy a "long" evening of reading about both problems under Windows 7 and it's propher solutions.

Quote   Quote: Originally Posted by Fumz View Post
I would say that maybe the problem was the OP didn't install the monitor's drivers... but it's a notebook... I'm assuming complete with HP cd with all his drivers, so he has everything he needs, right?
Right but then Windows 7 (can) work(s) a bit odd when it comes down to displays. If your monitor is recognised as a Generic PNP monitor (or another non-PNP monitor) and Windows forces a native resolution at which it thinks the hooked-up monitor should work at and that res/freq is not the real native res/freq of your monitor, you have a big problem in Windows 7.
If it happens to be equal to the one you already used on a previous OS, you see no problems at all and everything works fine. I believe you fall into that last category...
My System SpecsSystem Spec
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 Refresh rate stucks at 60Hertz




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