4870x2 secondary display issues

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myren

Limp Gawd
Joined
Jan 4, 2008
Messages
255
I just migrated from a 4850 to a 4870x2 and I'm having issues detecting one of my displays (Viewsonic VX2025m) now. If its the only thing plugged in, its detected and works. If another display is plugged in, it will not start. I can run dual displays with other monitors fine: its only this one display that refuses to work in dual display mode. Everything worked as expected on the 4850; I dont know what to do with this 4870x2.

Help!
 
myren said:
I just migrated from a 4850 to a 4870x2 and I'm having issues detecting one of my displays (Viewsonic VX2025m) now. If its the only thing plugged in, its detected and works. If another display is plugged in, it will not start. I can run dual displays with other monitors fine: its only this one display that refuses to work in dual display mode. Everything worked as expected on the 4850; I dont know what to do with this 4870x2.

Help!
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I have had a 4870 card for 3 months running dual monitors without a problem. I just changed to a Dell 2408WFP and now the secondary monitor is not being detected. I opened a ticket with ATI to have them tell me I installed the monitor incorrectly. I will let you know if they ever respond back with an intelligent sollution.
 
try to reboot after you plug the monitor in, or do it when the computer is shutdown.
 
If I plug it in when the pc is on, I can get it to work. The second I reboot, the secondary monitor is disabled and the only way to get it to turn back on is to unplug it and plug it back in.
 
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