UNSOLVED
2707 dvi problem
Hi guys, I'm having a really annoying problem here. It's very weird and although i've worked with literally 100 lcd's, i've never seen this problem before.: When i watch movies with the monitor, i can literaly watch 5 hours without any problem; but when i start working i.e.: opening MS word, opening windows hotmail when i click the mail button within msn... the screen goes black, turns back on, turns black and then turns back to normal etc... This continues to happen until i quit the application (word, hotmail...). When it goes black it doesn't go in power save mode, nor do the backlights turn off. It just appears as if my graphic card is sending a black signal.
When i work with the VGA-in, the monitor works fine without any hassle. Also, my DVI ports from my vga card work flawlessly. I tested them with a 2407wfp-hc monitor and that one works perfect via DVI. I also tried the DVI recover tool, but this did not work. So I thought: this is caused by a fault in the screen. I RMA'd it and got a brand new one, but this new 2707WFP is having the exact same problem!! What could be causing this? What's the chance of getting 2 faulty units ? My setup: AMD 3500+ Asus A8n-sli deluxe Nvidia 6800 GT 1024 MB DDR RAM Message Edited by Cyanide20 on 11-24-2007 02:35 PM
Message Edited by Cyanide20 on 11-25-2007 12:44 AM
Message Edited by Cyanide20 on 11-25-2007 01:20 AM
When i work with the VGA-in, the monitor works fine without any hassle. Also, my DVI ports from my vga card work flawlessly. I tested them with a 2407wfp-hc monitor and that one works perfect via DVI. I also tried the DVI recover tool, but this did not work. So I thought: this is caused by a fault in the screen. I RMA'd it and got a brand new one, but this new 2707WFP is having the exact same problem!! What could be causing this? What's the chance of getting 2 faulty units ? My setup: AMD 3500+ Asus A8n-sli deluxe Nvidia 6800 GT 1024 MB DDR RAM Message Edited by Cyanide20 on 11-24-2007 02:35 PM
Message Edited by Cyanide20 on 11-25-2007 12:44 AM
Message Edited by Cyanide20 on 11-25-2007 01:20 AM
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Posted November 25th, 2007 04:00
ChrisM, thanks for replying. Changing cables doesn't resolve the issue. I work with the same cable setup for the 2407 as for the 2707. I also tried upgrading my vid card bios last night, but this didn't help either nor did changing the vidcard for another 6800 GT help. Also i noticed that when i change resolution the dropping out pattern changes i.e. in 1024*768 i can open word without any hassle, but when i click some button, the screen goes black again. Every resolution has some "trigger" that will make the screen black. When it turns back on i see the DVI signal pictogram in the upper left corner. This is starting to look like an x-file. Also, reinstalling windows did not solve the issue.
update 1 : It just went black when watching a movie too, but the image reappeared within a second.
update 2 : when i play 3D games like wow, i have no problems whatsoever. The problem seems to be 2D related (not restricted to windows; norton ghost (dos version) seems to have the problems too, but only when a dialogue box pops up telling me my hd has been backed up).
So the status is:
2407wfp-hc: 2d performance=ok; 3d performance=ok
2707wfp: 2d performance=random black screens, triggered by an action (the problem can be repeated, so it's not really random); 3d performance=ok
Could this problem be videocard related?? I have an xfx6800 GT 256 MB DDR RAM, pci-e. It looks like something in the videocard is not liking something in the 2707wfp? I don't know if my theory is valid.
Message Edited by Cyanide20 on 11-25-2007 01:13 PM260
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Posted November 25th, 2007 17:00
No, i have only one pc. I have two videocards, but they are the same : 2 x 6800 GT. I tried them in SLI and single vid card configs. This did not resolve the issue.260
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Posted November 25th, 2007 17:00
Cyanide20,
Do you have another PC/video card to try on the 2707?
DELL-Chris M (old account)
#IWork4Dell
260
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Posted November 25th, 2007 22:00
Cyanide20,
Two monitors with the same issue seems funny to me. I wish you had another video card to try.
DELL-Chris M (old account)
#IWork4Dell 260
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Posted October 26th, 2012 01:00
Sorry for bringing this old thread back, but I noticed somewhat similar symptoms in a different situation. My desktop died and I finally got a displayport adapter for my trusty old M6400. The problem is when the laptop goes to sleep or shutdown (e.g. I'm watching a movie and program it to switch off in an hour or two). The 2707WFP seems to switch between on and off states repeatedly (e.g. it states that the connection is lost and it goes to sleep, but then it switches on again and then it goes off again and it does this non-stop). IMHO, this seems rather dangerous for the CCFL lamps' lifetime so I'm wondering if there's any fix for this (e.g. a firmware update?). Thanks.
DELL-Chris M
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Posted November 25th, 2007 00:00
Try using the 2407 DVI cable on the 2707. Any difference in the issue?
DELL-Chris M (old account)
#IWork4Dell