Monitors Flickers

urbancamper

Distinguished
I recently bought a new monitor. An Asus VW246H 24". Thought it was time to move up to 1080p in my gaming. I could not be more pleased. No dead pixels ect... I decided to use my old monitor an Acer x223w 22" for monitoring programs and teamspeak and sometimes watching tv while i play my games.
Each monitor working on its own is fine. When i extend the screen for both monitors there is a flicker across one or both screens when i move the mouse unless one of the screens has a full window such as gaming or if the media center is on fullscreen. The Asus is using the hdmi cable and set at 1920 by 1080 and the Acer is at 1680 by 1040 using the DVI cable.

Windows 7 Home Premium 64bit Cpu: Amd FX 6200 6 Core 3.8ghz oc @ 4.2ghz Coolmaster Hyper 212+ pushpull
Mb: GA-970A-UD3\Memory: Adata 4x2ghz@1600mhz timing 9-9-9-24
MSI TV Tuner Card Digi@nywhere A/D Plus\Gpu: 5850 xtreme@790mhz by 1100mhz
Asus 24x dual level burner\WD 300gb caviar blue
Antec 600 case 4x120mm fan 1x200mm Top Fan\Antec 750w earthwatts