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  #1  
Old 26-08-2009
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Join Date: Oct 2008
Posts: 45
Change usb mouse polling rate in Windows 7

How can i change the usb mouse poll rating in windows 7? it was quite possible in windows xp and a vista but i can't find the way to change mouse polling rate to 500Mhz.
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  #2  
Old 26-08-2009
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Join Date: Nov 2008
Posts: 211
Re: Change mouse polling rate in Windows 7

Have you tried by replacing USBPort.sys ? it should do it for you! Try the below commands which make it easier to take control of the file.

Quote:
takeown /f "C:\Windows\System32\Drivers\usbport.sys"
cacls "C:\Windows\System32\Drivers\usbport.sys" /G username:F
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  #3  
Old 26-08-2009
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Join Date: Oct 2008
Posts: 128
Re: Change mouse polling rate in Windows 7

Download Hidusbf from google search, i can't remember the link to download it. download that and try, After downloading extract it (it is a modded driver for Windows 7) then hidusb64 overwriting files there. Install hidsubf and restart pc. check with mouserate.exe and it only increases mouse polling rate (not other usb devices)
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  #4  
Old 26-08-2009
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Join Date: Jul 2009
Posts: 10
Re: Change usb mouse polling rate in Windows 7

What is usb mouse polling? Can you give some info about this process to me? I'm not much techie.
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  #5  
Old 26-08-2009
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Join Date: Mar 2008
Posts: 429
Re: Change usb mouse polling rate in Windows 7

Windows sets the default USB polling rate to 125Hz, which is the equivalent of 8ms of lag. Some gamers like to overclock the default polling rate to make their mice even more responsive. The lags associated with the various speeds are:
  • 125 Hz = 8ms
  • 250 Hz = 4ms
  • 500 Hz = 2ms
  • 1000 Hz = 1ms
IF you using windows xp then you can use the USB Mouserate Switcher it allow you to enforce a mouse polling rate of 250 Hz (4 ms), 500 Hz (2 ms) or 1000 Hz (1 ms) and let you restore Windows' original "usbport.sys" (8 ms) if needed.
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