3007WFP and Windows 7

Question

Hello,

I have a Dell 3007WFP connected to a non-Dell PC that has two Nvidia 7900GT graphics cards.

I recently tried to install Windows 7 Home Premium, however once W7 had detected and installed the Nvidia and 3007WFP drivers things started to go wrong and I'd like some help in solving it.

After login, I get about 10 seconds of a good screen display, and then the monitor appears to lose sync and I get a very shallow diagonal banding effect (as if the display image has had its top edge shifted far to the right of the screen.

If I remove the DVI cable and insert it into one of the other DVI video card connectors, the screen goes blank. If I then return it to the original DVI port the correct screen display appears for another 10 seconds or so and then 'looses sync'.

Troubleshooting steps I have already tried:

Remove one 7900GT and test each individually, then put both back in but with positions swapped.

Update Nvidia drivers via MS Update.

Update Nvidia drivers from Nvidia directly.

Try both 32- and 64-bit versions of Windows 7.

It does the same in all supported resolutions.

If I revert to XP Pro 64-bit, the setup works perfectly in both SLI and non-SLI, so I don't suspect hardware problems with the graphics cards, monitor or DVI cables.

The monitor works after a fresh W7 install until the drivers are updated from 'standard VGA'.

Is this a known problem, and is there any fix? I'd like to try to downgrade the 3007WFP 'driver' installed by Windows 7 but it refuses to let me do that as the Vista and XP drivers are older.

Any help would be appreciated.

Richard.

DELL-Chris M · Answer

You can try loading the 3007WFP Vista driver in Windows 7 using Compatibility Mode. The 3007WFP Utility Tool will not work in Windows 7.

RichardS2010 · Answer

Thanks for the suggestion Chris-M,

I couldn't follow your instructions exactly as the driver you linked to is not an executable and so doesn't have any compatibility settings. I did manage to remove the default Windows 7 driver and replace it with the Vista one, and this has improved matters as the picture is now stable until a major change to the picture (such as the screen dimming for a User Account Control dialog) at which point it becomes garbled and I need to swap the DVI connector to restore it.

I did also try the XP x64 driver (as the monitor works fine under XP x64 with the same hardware) and that acts the same as the Vista driver.

Do you have any other suggestions?

Richard.

DELL-Chris M · Answer

Nope. Will keep checking.

RichardS2010 · Answer

I just tried editing HKLM\System\CurrentControlSet\Control\Class\{4D...318}\0000\MODES\2560,1600\Mode1

from "30.0-100.0,56.0-76.0,+,+"

to "98.0-99.0,59.0-60.0,-,+"

in order to match the specification here http://support.euro.dell.com/support/edocs/systems/3007WFP/EN/about.htm#Specifications

but that didn't improve matters at all.

It is very frustrating that an excellent monitor works fine in XP but fails in Windows 7.

Richard.

Brittany.Reynol · Answer

You can try loading the 3007WFP Vista driver in Windows 7 using Compatibility Mode. The 3007WFP Utility Tool will not work in Windows 7. Nice writing, Thanks for releasing the info.

Sebastien91 · Answer

hello richard Have you find a solution between Win7 and Your 3007wfp? I have the same pb. Thanks for you help seb

RichardS2010 · Answer

Unfortunately no, I tried every card/driver combination available up December 2011 to no avail.

I ended up swapping my 2x 7900GTs for a Radeon HD5750 which works with the 3007wfp on Windows 7.

Richard.

Sebastien91 · Answer

ok thanks for your answer. I've a laptop and it's difficult to change the graphic card :-(

Monitors

3007WFP and Windows 7

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