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dual monitor - second monitor is black

Discussion in 'Hardware' started by ilta, Nov 21, 2009.

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  1. ilta

    ilta Thread Starter

    Joined:
    Nov 21, 2009
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    Hi all.

    So, I just got a spiffy new monitor from Woot.com (a debranded HP w2338h). Gorgeous, works great when it's all by its lonesome. Not even a dead pixel!

    However, when I try to hook it up at the same time as my old HP vs17 (which also works great by itself), it goes black, says "no input signal," and goes to sleep. I'm using a Radeon 4670 HD. Brand new drivers, Hydravision installed. Windows 7 64-bit.

    Catalyst detects both the monitors, offering an extended desktop, and when I move my mouse off the side of the vs17, it disappears and takes time to return, indicating that the computer thinks the screen is still on and is moving the mouse all over this expanse of screen real estate.

    Also, when I boot up, both monitors show the boot-up screen just fine, up through the Windows logo load.

    Tried switching the cables on the video card, no luck.

    Any ideas?
     
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