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Dual-Screen Problem

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Okay, I set up my dual screen system (desktop expansion) on a computer I recently built, everything works fine except two problems (one big, one small):

- Occasionally, randomly, one or the other screen flashes for like a split second.
- When I show desktop (by using Windows + M, the Show Desktop button, or Alt-Tab to the Desktop) the computer desktop goes nuts. All the icons on my desktop start twitching back and forth between two positions about 200 pixels apart, and I can't do anything to stop it other than ending the process tree of explorer.exe and running it again or restarting my computer.

I'm using a 15" IBM Flat Panel and a 14" Compaq CRT connected to an EVGA e-GeForce 7900 GS KT 256MB.

Both are set at 1024x768 resolution and 32-bit color.

PSU: 500W (I think)
CPU: Intel Core 2 Duo 2.40Mhz
RAM: 2x 1GB Orz Gold Edition 800Mhz
GPU: EVGA e-GeForce 7900 GS KT 256MB
OS: Window's Vista Ultimate 32-bit
Window's Experience Index: 5.3

Help to remedy the problem would be appreciated, thanks.

Edited by TwilightGlow, 20 March 2008 - 05:04 PM.

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