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First Monitor with DVI-Displayport keeps losing signal (Geforce 310)

Last response: in Graphics & Displays
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April 2, 2012 10:53:48 PM

Hi there. I am working with two monitors. The first is a ViewSonic VX2250wm LED monitor, connected to the desktop (Lenovo ThinkCentre M90p) via a DVI (in monitor) to Displayport (Desktop) cable. The card is an Nvidia Geforce 310.

The second monitor is VGA.

Every so often, the ViewSonic's signal goes out. At first I thought it was the DVI/Displayport adaptor, but upon getting a new cable the problem persisted. I then assumed it was the latest Nvidia driver update, so I rolled back. The monitor's signal returned for a few days, but then eventually lost its signal again.

This process repeats every time I install an older driver: the monitor comes back, but eventually dies. I am trying to figure out what is the cause of this problem. AFAIK it cannot be the Displayport as the Geforce is compatible. I have concluded it must be the ViewSonic monitor.

Any help as to what may cause this loss of signal would be appreciated.

Running Windows 7 64-bit
April 8, 2012 9:13:21 PM

bump.
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April 13, 2012 9:18:05 PM

bump. Specified primary monitor in Nvidia settings, updated Lenovo BIOS, got a new cable... and eventually the first monitor still goes out. Nvidia and the Win 7 settings no longer detect the monitor.

Plus I've found this:
http://support.lenovo.com/en_US/detail.page?LegacyDocID...

Looks like Lenovo f'ed up and gave up on trying to solve the problem. Lovely.


Do I need to get a new gpu?

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June 5, 2014 7:25:38 AM

You can't just use DVI? Displayport IMHO sucks.
I tried using Diplayport when I built my PC and it would go blank sometimes randomly or when turning the PC on, that was 7 months ago. Today using CCC 14.6 it still happens, I just tried it again. My monitor message comes up saying optimum resolution lost or something similar I need to unplug then plug it back in to come up.
I have since gone back to Duel Link DVI which never has any issues.
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