We have a guy here at work that has a workstation with a video card that has dual DVI outputs. He was using a single large Apple flat panel monitor, but at the end of last week decided he wanted to have dual monitors. The boss didn't want to spring for a new flat panel right now so we brought a CRT for him to use for now.
The Apple flat panel is connected via DVI cable and then CRT was connected with VGA cable that has a VGA->DVI adapter on the end. When the everything was connected last Friday everything was working fine, but this morning he sent us a screen shot showing a video problem. The left half of the flat panel displays normally, but the right half is just horizontal lines. This problem goes away as soon as the CRT is disconnected.
A reboot didn't fix it. The video cables are plugged securely. Any ideas on what could be causing this?
[edit] I can be more specific about the video card if necessary, I just don't know the model off the top of my head.
The Apple flat panel is connected via DVI cable and then CRT was connected with VGA cable that has a VGA->DVI adapter on the end. When the everything was connected last Friday everything was working fine, but this morning he sent us a screen shot showing a video problem. The left half of the flat panel displays normally, but the right half is just horizontal lines. This problem goes away as soon as the CRT is disconnected.
A reboot didn't fix it. The video cables are plugged securely. Any ideas on what could be causing this?
[edit] I can be more specific about the video card if necessary, I just don't know the model off the top of my head.
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