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Having issues using the DisplayPort with my Dell U2711

post #1 of 11
Thread Starter 
Just got a Dell U2711 and I'm using a resolution of 2560 x 1440. But every time I try to start a game, e.g. Blacklight, the monitor drops the signal coming from the displayport connection then it goes into power saving mode. If i turn the monitor off then turn it back on it is able to pickup the signal again but I get a DisplayPort Link Failure notification. Sometimes closing a game does the same thing. When the signal drops, the default Windows device disconnect notification is heard. It works great otherwise once I don't try to start any games. Can anyone help with this? I'm using my sig rig.
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post #2 of 11
are you using an active display port connector?
If you are not then I suggest getting one

http://www.newegg.com/Product/Product.aspx?Item=N82E16812200949
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post #3 of 11
Quote:
Originally Posted by Blade 117 View Post

are you using an active display port connector?
If you are not then I suggest getting one

http://www.newegg.com/Product/Product.aspx?Item=N82E16812200949
That adapter won't work for him.

That being said, why bother? U2711 has native DisplayPort to begin with. Are you using an adapter?
post #4 of 11
Thread Starter 
No, no adapter of any sort. There was a displayport cable that came with the monitor. One end is connected to the displayport on the graphics card and the other end is connected to the display on the monitor.
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post #5 of 11
not really solutions but work arounds.

1. try alt+tab to another program while loading the game. once game is loaded, alt+tab back to it.
2. windows mode: once game is loaded, set a lower resolution than monitor's native to load and exit the game.
Edited by Remix65 - 1/18/13 at 10:30am
    
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post #6 of 11
Try another DisplayPort cable (One that is VESA compliant). Non-compliant DisplayPort cables may have snyc issues and may also have the # 20 pin pwr cable active. The # 20 pin is not suppose to be active and it may cause damage to your hardware.
 
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post #7 of 11
Thread Starter 
Quote:
Originally Posted by Remix65 View Post

not really solutions but work arounds.

1. try alt+tab to another program while loading the game. once game is loaded, alt+tab back to it.
2. windows mode: once game is loaded, set a lower resolution than monitor's native to load and exit the game.

Honestly, I could do that but I really want to get it fixed rather that having to use a work around.

Quote:
Originally Posted by Peter Nixeus View Post

Try another DisplayPort cable (One that is VESA compliant). Non-compliant DisplayPort cables may have snyc issues and may also have the # 20 pin pwr cable active. The # 20 pin is not suppose to be active and it may cause damage to your hardware.

Do you think Dell would really ship a potentially damaging, non-complaint cable with a high end monitor? If they do, then that's both disappointing and irresponsible.
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post #8 of 11
Quote:
Originally Posted by For_the_moves View Post

Honestly, I could do that but I really want to get it fixed rather that having to use a work around.
Do you think Dell would really ship a potentially damaging, non-complaint cable with a high end monitor? If they do, then that's both disappointing and irresponsible.
You can also try using the Dual Link DVI connection instead. Your U2711 should have one that came with the box.
post #9 of 11
you may look into upgrading your video card. that being one of AMD's first cards with Displayport functionality, i personally wouldn't trust it
post #10 of 11
Quote:
Originally Posted by Nemesis158 View Post

you may look into upgrading your video card. that being one of AMD's first cards with Displayport functionality, i personally wouldn't trust it


Just because it was a GEneration one doesn't mean it cannot be trusted.
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