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Windows 7: Monitor supports 85hz but displays only 75hz


29 Jan 2011   #1

windows 7 ultimate 32 bit
 
 
Monitor supports 85hz but displays only 75hz

My asus lcd monitor supports 85hz but when I press on 85 hz it says ´out of range´. I enabled the ´hide modes that this computer cannot show´, so it obviously supports 85hz.
In xp I could get at up to 120 hz.
I have ati radeon asus eah3450. I´ve read that Windows 7 doesn´t support refresh rates higher than 75hz. Is this true? If yes, how to disable it?


My System SpecsSystem Spec
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30 Jan 2011   #2

windows xp 32 bit
 
 

wat resolution are you running at?
My System SpecsSystem Spec
30 Jan 2011   #3

windows 7 ultimate 32 bit
 
 

I am running at 75 Hz, the computer won´t allow more.

Windows 7 Ultimate, Intel(R) Core(TM)2Duo CPU 3.00 GHz; Processor 2.00 GB; 32-bit; ATI Radeon HD 3400 Series 512 MB
My System SpecsSystem Spec
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30 Jan 2011   #4
Microsoft MVP

Win 7 Ultimate x64
 
 

Make and model number of the monitor would help.
My System SpecsSystem Spec
30 Jan 2011   #5

windows 7 ultimate 32 bit
 
 

My System SpecsSystem Spec
30 Jan 2011   #6

Windows 7 Ultimate SP1 (64-bit)
 
 

Actually no, your monitor supports up to 75Hz (vertically) which is the same thing you're getting from Windows.

The 85Hz is Horizontally.

You're running at max Hz your monitor supports, leave it like that and be happy
My System SpecsSystem Spec
30 Jan 2011   #7

Windows 7 Ultimate SP1 (64-bit)
 
 

Btw, how could you have had "up to 120Hz in Windows XP" in that monitor if the specifications on the ASUS Website are not wrong, they clearly state:

Quote:
Signal Frequency

30-83KHz (H)
56-76Hz (V)
Sounds to me like you had the "List modes that are not supported on this monitor" in Windows XP, or the ASUS people are really weird.

That's the 2 things that comes to my mind right now

Cheers
My System SpecsSystem Spec
31 Jan 2011   #8

windows 7 ultimate 32 bit
 
 

Thank you all.
My System SpecsSystem Spec
Reply

 Monitor supports 85hz but displays only 75hz




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