Strange graphics bug in 7100 x64


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This is an issue I came across after installing the RC of Windows 7. Sometimes it wouldn't appear but now it happens all the time. Whenever I turn off my monitor and turn it back on, my resolution would be changed to 1280x1024 instead of my native 1440x900. I wouldn't be able to change it back via Windows settings or by the nVidia Control Panel. The only way I would get my default resolution back is to reboot, but the problem would just resurface if I turned my monitor off and back on again. Has anyone else had this issue, and if so, is there a fix available? I'd appreciate any help on the matter.

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When I turn off my monitor and back on, it's still the same resolution (1920x1200).

Ati Catalyst drivers thought, so it might be a nVidia driver issue.

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Is the setting for scaling in the Nvidia control panel set to use the monitors built in scaling?

Yeah it's set to use the built-in scaling. This doesn't happen in Vista SP2 however.

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  • 2 weeks later...

Bumping this.

It happens regardless of the driver, whether it's the latest nVidia driver, the older nVidia drivers, or the Microsoft driver, the resolution bug happens every time I turn my monitor on. It still goes from 1440x900 (native) to 1280x1024.

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happens to me very occasionally with an ATI 4850 - 9.4 and 9.5 Catalyst x64 drivers tested.

for both 7100 x64 and 7127 x64 (on 2 separate hdd's)

I thought it was one of my cables/connectors playing up because turning off the power to the monitor for a few seconds fixes it.

Viewsonic 1920x1080 native and a 1360x768 native TV as a second monitor.

very strange bug...

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I've tried again with build 7127. Unfortunately, the bug is still present. The only things I've noticed are when I'm in Appearance and Personalization > Display > Screen Resolution. When the monitor is on the correct resolution, the monitor is listed properly (FPD1975W) under Display. But when I turn the monitor off and on, and the resolution is messed up, it's listed as "Generic non-PnP monitor". If I have Device Manager open with the normal resolution, it says "Generic PnP monitor", but with the screwed up resolution, it says "Generic non-PnP monitor" as well. I don't know if this helps any but it's the only consistency I've noticed with this bug. I googled Generic non-PnP monitor but nothing helpful really came up.

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Not a bug with Windows 7. Sounds like device driver failing. Find updated drivers from site or windows update? Tried another cable (might be unrelated but worth a try)? Or perhaps to do with your video card than the monitor (test by trying the monitor on another computer).

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I haven't seen this issue and my monitor is constantly turned on and off, unplugged, plugged back in. I have nVIDIA drivers installed, doesn't happen with Microsoft Update drivers either.

I'd suspect the card, like Pikey said, try the other port on the card. The monitor is detected as a 'device' in windows seven, dunno if it is the same in Vista. (When unplugged it plays the 'device unplugged' sound)

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I haven't seen this issue and my monitor is constantly turned on and off, unplugged, plugged back in. I have nVIDIA drivers installed, doesn't happen with Microsoft Update drivers either.

I'd suspect the card, like Pikey said, try the other port on the card. The monitor is detected as a 'device' in windows seven, dunno if it is the same in Vista. (When unplugged it plays the 'device unplugged' sound)

I tried the other port on the card, and it still did the same thing. I have no problems in Vista, so I'm still at a loss as to what the problem is in 7. I have onboard graphics that I don't use, I'll give that a try.

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