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DVI LCD issues.. win XP

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Pciber

Senior member
Hey.. I have my 17" LCD w/ DVI hooked up to my computer, along with my 17" CRT (via VGA).. I can't get the LCD to display anything with DVI input. It works perfect w/ vga input. When I try to "extend my desktop to this monitor", then hit apply, all it does is uncheck the checkbox.

I am running Win XP pro, a radeon 9800 pro, Acer AL1715 (17" lcd connected via DVI), and a Gateway EV700(17" CRT connected via VGA).

Any thoughts as to why this isn't working?
 
Originally posted by: rleemhui
There might be an option on the LCD to turn it to the dVI input. look for one in its menus
Click to expand...

there is, and I can only access it when the VGA input is connected. I switch it to DVI, it doesn't detect an input, so it switches back to VGA input.

I think by default it uses DVI, so if it detects a dvi signal it will switch to it
 
Moved the LCD upstairs and tried to use it with my father's computer - same issue. Checked the "extend desktop to this monitor" box, hit apply, it unchecked it for me. what the hell does this mean?

I also tried rebooting both computers with only the DVI input plugged in - still nothing displayed. When I plugged the VGA back in it was live.
 
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