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Aero Disabled - 3 Monitor Setup Dual GPU

Discussion in 'Hardware' started by PK*, May 4, 2010.

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  1. PK*

    PK* Thread Starter

    Jul 9, 2004
    Aero Disabled - 3 Monitor Setup
    I'm stumped and spent the entire night trying to resolve the following issue:

    Video Card 1: PCI-E 9800GTX+
    Video Card 2: PCI 8400GS
    Windows 7 Pro 64 bit
    Monitors: 2 x 22 inch LCD and 1 x 42 inch HDTV

    Both cards are WDDM 1.1 and DX10

    I picked up a PCI video card to add to my existing PCI-E to enable my HDTV as a 3rd monitior. Drivers installed fine, both cards recognized, but Aero is automatically disabled any time 3 monitors are plugged in (all DVI).

    The popup "The color scheme has been changed to Windows Basic - The current color scheme has exceeded its allowed memory so the color scheme has been automatically changed to improve performance. Click to see more information." switches the theme back to basic. I've run the Aero Troubleshooter which says each time that WDM is disabled, when it actually IS ENABLED and Started in the services.

    I tried disabling notifications of popups, tried turning off the setting that allows windows to adjust which settings to use automatically, I tried the well known registry tweak to prevent windows from switching the theme but it continues to act up. I've reinstalled different drivers by wiping out old ones.... I tried the BIOS for changes and nothing..... Yet when I unplug any of the 3 monitors... the other 2 are fine and Aero works.

    Your help is greatly appreciated, I'm tired and frustrated!
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