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| 7970 - DisplayPort monitors stuck at 640 x 480 http://www.wsgf.org/phpBB3/viewtopic.php?f=66&t=23861 |
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| Author: | pox67 [ 10 Mar 2012, 05:43 ] |
| Post subject: | 7970 - DisplayPort monitors stuck at 640 x 480 |
This is killing me and my time. I have three Dell U2412 connected to a reference 7970. 1 monitor is connected to the DVI port. 2 monitors are connected to the mini DP ports with Mini DP to DP cables. For a while when the computer comes out of sleep mode the DP connected monitors are reduced to 640x480 resolution. A reboot gets them back to normal 1920x1200 res. Now though they are stuck at 640x480, nothing I can do will change them. I have tried the latest drivers from AMD (12.2) and also a few of the unofficial drivers from Guru3d forums. Each time I uninstall the drivers, go to safe mode and run driver sweeper. The same problem was happening when I had DP cables and mini DP to DP adapters. Any one seen this before? |
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| Author: | pox67 [ 22 Mar 2012, 05:17 ] |
| Post subject: | Looks to be a problem |
Looks to be a problem restricted to Mini DP ports. http://forums.guru3d.com/showthread.php?p=4272475 I'll be avoiding them in the future! |
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