
Better check that your DVI output is DVI-D (digital) and not DVI-A (analog). (DVI-I works with both.) My old Radeon X300/X550/X1050 video adapter has a VGA output port and a DVI output port connected to two monitors with a VGA cable and a DVI cable. I bought this Ablewe DVI to VGA adapter to use a VGA cable with a second monitor that has a VGA input alongside the DVI input. (I needed an extra VGA cable.) Ablewe's adapter didn't work at first, possibly because the Radeon's DVI output was analog. I replaced the graphics card with one that definitely produces DVI-D and the Ablewe adapter worked. Ablewe's customer service was excellent.

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