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why won't win 7 pro fill LCD monitor screen

By jaypea5000 ·
after using my westinghouse LCM-24w1 LCD flat-panel widescreen for at least a year on windows 7 pro 32-bit without difficulty at it's native 1920x1200 resolution, I now have an inch wide black stripe down the right side of the screen. the windows desktop ends at the start of the black bar. I've tried a PCI Express ATI video card, the mobo-integrated ATI video chip and an nvidia PCI Express video card -- all with updated drivers. they all exhibit the same problem -- windows thinks the display is an analog CRT.

how do I fix this so that the native 1920x1200 fills the entire screen like it used to? does windows misidentification of the monitor have anything to do with it?

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"windows thinks the display is an analog CRT" - You sure?

by seanferd In reply to why won't win 7 pro fill ...

You describe everything but the important bits here. <i>Does</i> Windows misidentify the monitor? Does it specifically identify it as an analog CRT monitor? If so, make Windows correctly identify the monitor.

Or, is there a problem with the monitor's own settings? A black stripe down one side wouldn't make me think of a resolution problem. I would look at the monitor's H adjustments, or try it on a different machine to see if the black strip on the side is not actually a hardware failure in the monitor.

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You sure? - Yep

by jaypea5000 In reply to "windows thinks the displ ...

both ATI cards and the Nvidia card identify the monitor as an analog CRT. the only way they'd all do this is if that's what win 7 pro is reporting.

the monitor settings are fine. playing with the horizontal control just moves the image to the right, exposing a black stripe to the left.

putting the monitor on an xp pro machine with the ATI card from the win 7 pro pc exhibits normal full-screen function. switching to that pc's integrated graphics does the same.

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Hm.

by seanferd In reply to You sure? - Yep

I meant H stretch, not H scroll, but that doesn't sound like the problem.

Have you tried manually setting the monitor to the correct type in Device Manager? (It's too bad this no longer works quite like it did in 9x). If necessary, you can delete all instances of the monitor in Device Manager and reboot. Hopefully, it will choose the right monitor driver.

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OK so you have tried changing things in the way of Video Cards

by OH Smeg In reply to why won't win 7 pro fill ...

And Display Proprieties but have you tried adjusting the Monitor?

It's possible that a Power Spike has sent the Monitor Adjustments back to defaults and they need altering. For instance are you sure that your Desktop doesn't extend off the Top/Bottom or Left Hand Side of the screen?

With all monitors you can change the display area and shrink or expand and move as necessary with the Front Panel Controls on the Monitor. Generally speaking you press the Menu Option and then the Up/Down or Left/Right Keys on the monitor to select the function you want. Remember to save the settings when you exit the setup program.

Col

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Yep II

by jaypea5000 In reply to OK so you have tried chan ...

the monitor settings are fine. playing with the horizontal control just moves the image to the right, exposing a black stripe to the left.

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I had a similar issue with LCM-22

by Keighlar In reply to why won't win 7 pro fill ...

I used this monitor for about 2 years without incidence, and then it suddenly decided that it was an Acer 17" laptop display. I troublshot that thing up one side and down the other. Finally put it on another PC, and after a reboot, it did the same thing. So the issue was definitely in the Westinghouse. I let it sit unplugged for several days to try to default it, but no-go.

I never did get a fix for it. I bought a new AOC 24" HD monitor and put the squirrely one on as second monitor. And happily it sits there thinking that it's an Acer...

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Not My Experience

by jaypea5000 In reply to I had a similar issue wit ...

putting the monitor on an xp pro machine with the ATI card from the win 7 pro pc exhibits normal full-screen function. switching to that pc's integrated graphics does the same.

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