Topic Title: Unable to use both APU + discrete GPU graphics ports for extended desktop
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Created On: 03/04/2013 12:07 AM
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 03/04/2013 12:07 AM
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Joined: 03/03/2013

Graphics Card
Nvidia GTS 250 1GB

AMD Catalyst Driver Version, and Driver History

Operating System
Windows 7 Ultimate 64 bit

Issue Details
When the Nvidia card is installed into PCIe slot, all options for integrated graphics become automatically disabled in the bios without any way to select which graphics device to use as the primary one. Booting into Windows 7, Device Manager shows only Nvidia's graphics card as the only display adapter available, and plugging another display to the integrated graphics port in an attempt to detect it doesn't make any difference. 

Having a discrete GPU card installed with a Trinity APU, is it not possible to use both the display ports of the APU & discrete GPU for extended desktop?

Will the same thing happen if i use a Radeon 6670 card instead of a Nvidia?

Motherboard or System Make & Model

Power Supply
Cooler Master 650W

Display Device(s) and Connection(s) Used
Dell 2408WFP, DVI-I

Applications and Games


CPU Details
Trinity A10-5800K, no overclock.

Motherboard BIOS Version

System Memory Type & Amount
8GB DDR3 dual channel

Additional Hardware
Samsung 250GB SSD

Additional Details
Also tried powering up with the monitor connected to the integrated graphics ports instead, but this doesn't give any signal to the display at all. So I am forced to use only the discrete GPU's ports. 

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