Monitor not working with specific computer, why?

By mallettk ·
Hey TR Community,

I have a Dell Optiplex GX280 I believe and I can???t get it to display on a specific monitor. I don???t know the model of the monitor but it???s a dell widescreen monitor. I hooked up a different monitor to the computer and it worked fine. I saw it boot up fine to the OS. So I thought the monitor was bad until I hooked up the monitor to a laptop and it worked fine. Again I tried hooking up the Optiplex GX280 with the widescreen Dell monitor and it didn???t work. All I get one the screen is that the monitor is entering into power save mode. I tried switching sources as well VGA and DVI but no luck, still the same message on the screen. I???m not sure what???s going on, but some help would be GREATLY appreciated. Hopefully all this made sense???.lol


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All Answers

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My first guess would be

by Kenone In reply to Monitor not working with ...

that the PC is set to a resolution/mode that the monitor can't display.

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Reponse To Answer

by Who Am I Really In reply to My first guess would be

same thought here

on the old CRT monitors they'd display a sort of screwed up screen when the res / refresh rates weren't supported

but on the newer flat panel Plasma, LCD, etc. screens
they just display black to avoid damaging the screen

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Change Resolutions

by RayFoxxe In reply to Monitor not working with ...

Switch to the working monitor then change your resolution to the standard 800x600 or if you want it to a bit larger, try 1024x768. Then if those resolutions works. Try switching to larger ones and find out which resolution your laptop and monitor are compatible with.

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Reponse To Answer

by OH Smeg Moderator In reply to Change Resolutions

Also lower the refresh rates to something like 65 MHZ not the 80 or higher that I think you'll find that it's set to.


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