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5870 Dual Monitor Screen Tear / Flickering


I just got a 5870 from 4870 and immediately noticed that whenever the automatic 2d to 3d clock jumps up to full 850/1200 there is a significant flicker to a tear in the #2 monitor only and when i use extended desktop. It is repeatable and only happens at that point. I graphed it and can see the vccd/vccd1 amp jump is from 2. 6a/4. 2a to 11. 4a/12a>. I am using a msi afterburner/rivatuner instead of the smartdoctor from asus that came with it because i had it with the 4870 and liked it and it also has the low the de-clocking limit at 600mhz/900mz instead of the other 157/300mhz. All the temps are low when this happens 38-40c . No problems at all on single monitor though there is significant throtling up and back for the vccd volt/amp and the clocks. All the time there is not more than 30-40%gpu use. I can reproduce it easily by just scrolling up and down some web pages. When the 2d is flat line (600/900mhz) no problems and when i am in a game or max gpu use no 2nd monitor issue. I have done every switch and combo, hdmi dvi, both dvi ports dont know. It is like a recurring short. Like a lap top i had where the wear on the hinges causes some shorts to the panel but this screen tear or flicker is fast and easy to pin point. Though the vddc amps jump up and down, the gpuz graph looks like a comb or gap tooth smile, the volts are steady flat line during the clocks and amps jumping so the regulator seems ok . I dont know why the amp draw is dropped so low even when the clocks are at 600/900. If everything stayed level there would be no screen tear. Even with the bouncing around there shouldnt be that effect in the 2 monitor for extended desktop. I know there are any number of other people with the issue , i have gotten no response, nor have they , from amd/ati , asus either and have posted at those forums without any corrective experiences. Some suggestions for similar types of problems but nothing for the same . I am using win7 x64 bit home premium. Many other people , not all though, are 7/64 as well though some xp and vista 64 too. I should have enough power i just put a thermaltake xt 750 in and i used a mushkin enhanced 580 with the 4870 and no problem. I had the 580 running this as well till last week and never had a power problem, never had any problem. I built this last nov and have kept up to date with the drivers, put in ccc 10. 2 last week, gigabyte m4a79xtd evo, asus eas5870, phenomii 3. 4 (oc 3. 77 not for testing)965be, gskill ddr3 1600 pc12, 800, 2x samsung f1 750s, xigmatek s1283 cooler, thermaltake xt750, win7 x64 home prem, hp 1270dvd/cd24xsupermulti, liteon 8xbd/dvd combo, cm rc 690 4 scythe s-flex case fans 1sine intake , 3exhaust- top/rear . The card and case are well cooled and heat has not been an issue for this problem, i would appreciate any insights as to what i might do to correct this. I have tried just about all i can think of, some suggestions, remove and reinstall directx with sdk version someone said helped a like situation but heat may have been related to his. Mostly just trying process of elimination. Have taken off or disabled software to check on conflicts. I use the 2nd monitor to keep tool sets or other utilities so i can keep the larger screen in tact or in 2 parts. I tried to make a group but with different size monitors it just isnt right though might be a fix for someone with the issue with twin displays.

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http://www.Youtube.com/watch?V=j9kh5gehkzc

At start, it was just flickering like this in the lower-left corner of the screen. The problem is that i absolutely need my notebook at school (without it, i just can stop going to school, i'm studying in it). So around the summer holidays, i returned it to asus. They decided to replace the whole screen, it cost them around 500. They bring it back to me on september, and after just 2 power up, the same problem started to appear. The same in very worse, the whole screen's now flickering and i'm back to school now. What i mean by "flickering" ? Several pixel-lines of the screen are switching from on to off, and/or moving from left to right, and/or changing colors. They do not flicker at the same speed nor at the same intensity, so the whole thing looks a bit like if the display was crypted. Here's what i learnt :

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