2209WA - intermittent noise on screen

I have a problem with my U2209WA - there is time at other intermittent noise on screen - flickering horizontal lines (mainly in half top of the screen). They distort the image - they are 'above' the image.

When this happens - the issue is also present in the self-test mode and usually disappears on its own after a few minutes.

I have 2 screens side by side (the other is a never 19 '' Dell)- and the other monitor does not show these issues.

The two are connected on the same workstation.

I already have:

-exchanged cables DVI
-swapped power cables
-connect the monitor to another computer (same intermittent problem).

Monitors and computers are connected to a Belkin surge protector (also tried plugged into the inverter without success).

S/N: CN-0H736H-72872-091-01 ML

I tested two DVI and d - SUB port.

Connected on the two Geforce GTX 460 and a laptop.

Tested on Windows 7 and Windows XP with the latest drivers (also monitor driver is present).

The question is not constant - it comes and goes. You can help me somehow?

See this.

Tags: Dell Peripherals

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