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Windows 7: DVI port on monitor is stuck res of 640x480 VGA port works fine

01 Oct 2012   #1

Windows Home Premium 64bit OEM
 
 
DVI port on monitor is stuck res of 640x480 VGA port works fine

I have dual monitors......my primary display monitor is a Chimei CMV223D
My secondary display monitor is an Acer AL1916W.

My graphics card is an HD ATI Radeon 5800.

PROBLEM:

My primary display monitor which usually has a display resolution of 1680x1050 is currently stuck on 640x480 and in the property settings it won't let me change the resolution. The cable running from the Graphics card is an HDMI cable with a HDMI/DVI converter. I have also tried using the DVI port of the video card to the DVI port of the PC which comes up with same problem. Using a DVI/VGA converter and a VGA cable the VGA port on the monitor works fine!!! SOOOO long story short there is definitely something going on with the monitors DVI port.........

This randomly occurred overnight and is driving me insane to know what I need to fix. I have used different cables and to no such luck. My secondary monitor is just humming away just fine! But I really need my primary display.

I've uninstalled and reinstalled video drivers for the graphics card which is the Catalyst control centre suite and all monitor drivers appear to be up to date.

WHY oh why is my monitor locked at this resolution!!??? How to fix please help!!!

My System SpecsSystem Spec
.

01 Oct 2012   #2

Windows Home Premium 64bit OEM
 
 

Never mind!!!!

SOLVED CHECK THIS!!!!!

Force DVI/HDMI resolutions and refresh rates
My System SpecsSystem Spec
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 DVI port on monitor is stuck res of 640x480 VGA port works fine




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