Dual SLI GTX460 flicker in fullscreen
  1 / 2    
I recently added a new EVGA GTX460 SC ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16814130597&cm_re=evga_gtx460-_-14-130-597-_-Product"]http://www.newegg.com/Product/Product.aspx?Item=N82E16814130597&cm_re=evga_gtx460-_-14-130-597-_-Product[/url]) to my Gigabyte GTX460 OC ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333&cm_re=gigabyte_gtx460-_-14-125-333-_-Product"]http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333&cm_re=gigabyte_gtx460-_-14-125-333-_-Product[/url]) and I am getting this annoying flicker in most fullscreen games. When running in windowed mode it works pretty well, but this is not a solution IMO.

I have read a bunch of posts online but im still not sure what the exact cause or resolution is. The main explanations that have some from my readings are:
1) Faulty SLI bridge
I have not been able to test with a new/different SLI bridge, so this possibly could be the problem. I should have one by tomorrow evening to be able to test this.
FYI my SLI bridge is ASUS branded that came with my motherboard. I dont know if their bridge has many problems, apparently there have been plenty of problems with MSI bridges.

2) Bad drivers
All posts I could find regarding bad drivers seem to be from around 2009 and referring to specifically trying 18x drivers. Since were already at 27x by now, I am not convinced going back to ancient drivers will solve my problem.
I have also found information pointing to having multiple versions of drivers installed due to the uninstall/upgrade process not always removing all driver remnants. For this I have used Driver Sweeper in safe mode to remove all remnants before installing latest nvidia 275.33 drivers - no luck.

3) Improper PCIe slot configuration/Bad PCIe slot
I have tried every which way as combination and still no luck. Proper working in windowed mode also suggests to me that there is no problem with the PCIe slots/configuration.

4) Underpowered PSU
I have a CoolerMaster Real Power M700 ([url="http://www.coolermaster.com/product.php?product_id=2574"]http://www.coolermaster.com/product.php?product_id=2574[/url]) which is a few years old, but should in my mind still have enough juice to run everything.

I have also tested each card individually, and they seem to work fine. In fact, they work very well when running in windowed mode, so I'm convinced the cards arent bad. MSI afterburner shows both GPUs being taxed in windowed mode. Just the mere fact that everything works in windowed mode without screen flicker tells me that all components are in perfect working order and that instead there is some unknown force trying to split my cheeks.

Now by the number of scattered posts I found related to all this I know that this topic might be a little worn out, but nothing so far seems to have worked for me (barring the sli bridge test, which is still to come). Did I miss something stupidly simple? Could anyone here shed some light?

My system is a pretty common build by today's standard i would imagine:
ASUS P8P67 WS Revolution ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16813131714&Tpk=asus%20ws%20rev"]http://www.newegg.com/Product/Product.aspx?Item=N82E16813131714&Tpk=asus%20ws%20rev[/url])
Intel Core i5-2500K ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16819115072&cm_re=core_i5_2500k-_-19-115-072-_-Product"]http://www.newegg.com/Product/Product.aspx?Item=N82E16819115072&cm_re=core_i5_2500k-_-19-115-072-_-Product[/url])
G.SKILL Ripjaws Series 8GB ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16820231314&cm_re=gskill_ddr3_1600-_-20-231-314-_-Product"]http://www.newegg.com/Product/Product.aspx?Item=N82E16820231314&cm_re=gskill_ddr3_1600-_-20-231-314-_-Product[/url])
Gigabyte GTX460 OC ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333&cm_re=gigabyte_gtx460-_-14-125-333-_-Product"]http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333&cm_re=gigabyte_gtx460-_-14-125-333-_-Product[/url])
EVGA GTX460 SC ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16814130597&cm_re=evga_gtx460-_-14-130-597-_-Product"]http://www.newegg.com/Product/Product.aspx?Item=N82E16814130597&cm_re=evga_gtx460-_-14-130-597-_-Product[/url])
CoolerMaster Real Power M700 ([url="http://www.coolermaster.com/product.php?product_id=2574"]http://www.coolermaster.com/product.php?product_id=2574[/url])
Windows 7 Ultimate x64



Any advice would be most welcome.
I recently added a new EVGA GTX460 SC (http://www.newegg.com/Product/Product.aspx?Item=N82E16814130597&cm_re=evga_gtx460-_-14-130-597-_-Product) to my Gigabyte GTX460 OC (http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333&cm_re=gigabyte_gtx460-_-14-125-333-_-Product) and I am getting this annoying flicker in most fullscreen games. When running in windowed mode it works pretty well, but this is not a solution IMO.



I have read a bunch of posts online but im still not sure what the exact cause or resolution is. The main explanations that have some from my readings are:

1) Faulty SLI bridge

I have not been able to test with a new/different SLI bridge, so this possibly could be the problem. I should have one by tomorrow evening to be able to test this.

FYI my SLI bridge is ASUS branded that came with my motherboard. I dont know if their bridge has many problems, apparently there have been plenty of problems with MSI bridges.



2) Bad drivers

All posts I could find regarding bad drivers seem to be from around 2009 and referring to specifically trying 18x drivers. Since were already at 27x by now, I am not convinced going back to ancient drivers will solve my problem.

I have also found information pointing to having multiple versions of drivers installed due to the uninstall/upgrade process not always removing all driver remnants. For this I have used Driver Sweeper in safe mode to remove all remnants before installing latest nvidia 275.33 drivers - no luck.



3) Improper PCIe slot configuration/Bad PCIe slot

I have tried every which way as combination and still no luck. Proper working in windowed mode also suggests to me that there is no problem with the PCIe slots/configuration.



4) Underpowered PSU

I have a CoolerMaster Real Power M700 (http://www.coolermaster.com/product.php?product_id=2574) which is a few years old, but should in my mind still have enough juice to run everything.



I have also tested each card individually, and they seem to work fine. In fact, they work very well when running in windowed mode, so I'm convinced the cards arent bad. MSI afterburner shows both GPUs being taxed in windowed mode. Just the mere fact that everything works in windowed mode without screen flicker tells me that all components are in perfect working order and that instead there is some unknown force trying to split my cheeks.



Now by the number of scattered posts I found related to all this I know that this topic might be a little worn out, but nothing so far seems to have worked for me (barring the sli bridge test, which is still to come). Did I miss something stupidly simple? Could anyone here shed some light?



My system is a pretty common build by today's standard i would imagine:

ASUS P8P67 WS Revolution (http://www.newegg.com/Product/Product.aspx?Item=N82E16813131714&Tpk=asus%20ws%20rev)

Intel Core i5-2500K (http://www.newegg.com/Product/Product.aspx?Item=N82E16819115072&cm_re=core_i5_2500k-_-19-115-072-_-Product)

G.SKILL Ripjaws Series 8GB (http://www.newegg.com/Product/Product.aspx?Item=N82E16820231314&cm_re=gskill_ddr3_1600-_-20-231-314-_-Product)

Gigabyte GTX460 OC (http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333&cm_re=gigabyte_gtx460-_-14-125-333-_-Product)

EVGA GTX460 SC (http://www.newegg.com/Product/Product.aspx?Item=N82E16814130597&cm_re=evga_gtx460-_-14-130-597-_-Product)

CoolerMaster Real Power M700 (http://www.coolermaster.com/product.php?product_id=2574)

Windows 7 Ultimate x64







Any advice would be most welcome.

#1
Posted 06/06/2011 06:21 PM   
you dont mean screen tearing do you? enable vsync in the game settings or force it in the nvidia control panel. sorry if this isnt what you meant.
you dont mean screen tearing do you? enable vsync in the game settings or force it in the nvidia control panel. sorry if this isnt what you meant.

_ NVLDDMKM problems_ | _ problems getting a driver for a laptop graphics card_ | _What PSU do I need?_

[quote name='The Professor' date='11 August 2011 - 10:33 AM' timestamp='1313055223' post='1277858']

I think Qazax is a pretty cool guy. eh kills aleins and doesnt afraid of anything.

#2
Posted 06/06/2011 11:09 PM   
Thanks for your post :)

No its not screen tearing. I made a quick recording with my digital camera and posted on Youtube: [url="http://www.youtube.com/watch?v=Xjd5CjuEBkM"]http://www.youtube.c...h?v=Xjd5CjuEBkM[/url]
The quality isn't great, and it doesn't seem to quite capture the proper frequency of the flicker, but it should give you an idea of what it looks like.
Thanks for your post :)



No its not screen tearing. I made a quick recording with my digital camera and posted on Youtube:

The quality isn't great, and it doesn't seem to quite capture the proper frequency of the flicker, but it should give you an idea of what it looks like.

#3
Posted 06/07/2011 01:44 AM   
I would try sli without the bridge, this works on the 460s just with less performance
I would try sli without the bridge, this works on the 460s just with less performance

_ NVLDDMKM problems_ | _ problems getting a driver for a laptop graphics card_ | _What PSU do I need?_

[quote name='The Professor' date='11 August 2011 - 10:33 AM' timestamp='1313055223' post='1277858']

I think Qazax is a pretty cool guy. eh kills aleins and doesnt afraid of anything.

#4
Posted 06/07/2011 08:44 AM   
I have actually fiddled with the bridge while running (a little dangerous, i know) a fullscreen game to make sure its not a seating problem with the bridge. As part of this is have removed it, reversed it, half-seated it, full-seated it, left/right, etc. What i did notice while the bridge is removed completely is that the flicker frequency reduces substantially - this must be due to the reduced performance you were talking about?

One thing i did not do is restart the machine with the bridge removed - would that make a difference?

Man, this is so annoying. Going SLI was supposed to be a walk in the park...
I have actually fiddled with the bridge while running (a little dangerous, i know) a fullscreen game to make sure its not a seating problem with the bridge. As part of this is have removed it, reversed it, half-seated it, full-seated it, left/right, etc. What i did notice while the bridge is removed completely is that the flicker frequency reduces substantially - this must be due to the reduced performance you were talking about?



One thing i did not do is restart the machine with the bridge removed - would that make a difference?



Man, this is so annoying. Going SLI was supposed to be a walk in the park...

#5
Posted 06/07/2011 12:30 PM   
Do you have same fps in windowed/fullscreen ?
Do you have same fps in windowed/fullscreen ?

#6
Posted 06/07/2011 12:42 PM   
I have not actually tested that. I will do so later this evening and post findings here.
It might be worth mentioning though that I have run benchmarks regardless of the fullscreen flicker, and all benches showed around 80% improvement compared to single-card benchmarks, so I believe it's working.

I will still do a comparison between windowed/fullscreen benches though and post here.
I have not actually tested that. I will do so later this evening and post findings here.

It might be worth mentioning though that I have run benchmarks regardless of the fullscreen flicker, and all benches showed around 80% improvement compared to single-card benchmarks, so I believe it's working.



I will still do a comparison between windowed/fullscreen benches though and post here.

#7
Posted 06/07/2011 12:54 PM   
So I benched fullscreen vs windowed and the results are the same :(
I also tried the new SLI bridge, but the flickering persists - another bad SLI bridge?? Who manufactures these damned things? They both look the same with just different branding... This was a MSI branded bridge - I read a few bad things about their bridges. This one borrowed to me by a friend.

I'm going to try roll back a few drivers versions and see if that might help at all.
So I benched fullscreen vs windowed and the results are the same :(

I also tried the new SLI bridge, but the flickering persists - another bad SLI bridge?? Who manufactures these damned things? They both look the same with just different branding... This was a MSI branded bridge - I read a few bad things about their bridges. This one borrowed to me by a friend.



I'm going to try roll back a few drivers versions and see if that might help at all.

#8
Posted 06/08/2011 02:30 AM   
Well well well...it seems I spoke too soon about drivers. I started rolling back drivers version by version and hit gold at 266.58: no more flickering since installing this bad boy.
Hopefully nvidia will sort out drivers going forward.

Thanks to all those who got involved & tried to help me out.
Well well well...it seems I spoke too soon about drivers. I started rolling back drivers version by version and hit gold at 266.58: no more flickering since installing this bad boy.

Hopefully nvidia will sort out drivers going forward.



Thanks to all those who got involved & tried to help me out.

#9
Posted 06/08/2011 04:27 AM   
This is still a problem for me, unless i stick with the 266.58 drivers. I tried the 280.26 drivers and looks like nvidia still have not fixed the problem.
i will try the 285.38 beta drivers in the next few days and see if that helps, but all i have is hope...

:(
This is still a problem for me, unless i stick with the 266.58 drivers. I tried the 280.26 drivers and looks like nvidia still have not fixed the problem.

i will try the 285.38 beta drivers in the next few days and see if that helps, but all i have is hope...



:(

#10
Posted 09/30/2011 02:11 PM   
Hello! I have the exact same problem with my Asus GTX 560 TIs. I've recently installed the second 560 on saturday. I'm struggling to get them work properly. (a similar video on youtube: http://www.youtube.com/watch?v=UYOT1BtaypU)

I've uninstalled the drivers and installed the latest beta drivers again. (in order to test Battlefield 3 SLI performance)

The game was working fine. After a couple of games, the game crashed and I've restarted. Since then, when I play games like Crysis 2, Dead Island etc. at fullscreen, the screen flickering. I've uninstalled and reinstalled 280.26 drivers and Crysis 2. The flickering continues.

Based on the comments I've seen on the net, I've ordered another SLI bridge. (I was using the one I've received with my Asus motherboard).

Does anyone have an idea how to solve this problem? :(


Computer configuration:

Graphics: 1st ASUS GTX 560 TI Direct CU II Top - 2nd ASUS GTX 560 TI Direct CU II, OC'ed to 900MHz to match Top speed
Motherboard: ASUS P8Z68-V Pro
Ram: 16Gigs G.Skill Ripjaws DDR3-1600
CPU: i5-2500k
PSU: High Power Absolute 850W 80+
Windows 7 Ultimate 64bit
Hello! I have the exact same problem with my Asus GTX 560 TIs. I've recently installed the second 560 on saturday. I'm struggling to get them work properly. (a similar video on youtube: />


I've uninstalled the drivers and installed the latest beta drivers again. (in order to test Battlefield 3 SLI performance)



The game was working fine. After a couple of games, the game crashed and I've restarted. Since then, when I play games like Crysis 2, Dead Island etc. at fullscreen, the screen flickering. I've uninstalled and reinstalled 280.26 drivers and Crysis 2. The flickering continues.



Based on the comments I've seen on the net, I've ordered another SLI bridge. (I was using the one I've received with my Asus motherboard).



Does anyone have an idea how to solve this problem? :(





Computer configuration:



Graphics: 1st ASUS GTX 560 TI Direct CU II Top - 2nd ASUS GTX 560 TI Direct CU II, OC'ed to 900MHz to match Top speed

Motherboard: ASUS P8Z68-V Pro

Ram: 16Gigs G.Skill Ripjaws DDR3-1600

CPU: i5-2500k

PSU: High Power Absolute 850W 80+

Windows 7 Ultimate 64bit

Cooler Master HAF922

ASUS P8Z68-V PRO

Intel i5-2500K

Highpower Absolute 850W 80+

G.SKILL RipjawsX 16GB DDR3-1600MHz CL 9 (4x4GBs)

ASUS ENGTX560 Ti DCII TOP SLI with ASUS ENGTX560 Ti DCII OC'ed to TOP

Team Xtreem S3 120GB SSD

Cooler Master Vortex Plus CPU Cooler

1.5 TB Western Digital Caviar Green HDD

ASUS DRW-24B3ST SATA DVD-RW

Logitech G19 Keyboard

Razer Lachesis

Creative 5.1 surround speakers

Windows 7 Ultimate 64 bit

Samsung T240 FULL HD LCD

#11
Posted 10/11/2011 12:53 PM   
my problems with crysis2 went away with 275.33
make sure you perform a clean install of the drivers
my problems with crysis2 went away with 275.33

make sure you perform a clean install of the drivers

Corsair C70 case, ASUS Sabertooth X58,Intel i7 970 6 core cpu, 24gigs Avant memory, PNY GTX 680 4GB, Corsair AX1200 psu with sleeved cables, Sound Blaster Z, 2 LG Blu-Ray, 2 Crucial M500 120GB SSD, 1 Seagate 500GB HDD, 1 Western Digital VelociRaptor 1TB HDD, Microsoft SideWinder X4 keyboard, Corsair M65 mouse, Xbox 360 controller, Logitech 5.1 speakers, LG 27" IPS LED monitor, 3 Noctua 120mm fans, 2 Noctua 140mm fans, 1 Noctua 92mm fan, Noctua NH-C12P SE14 140mm SSO cpu cooler. Windows 7 Pro 64 bit. GPU has a small overclock by me.

#12
Posted 10/11/2011 03:15 PM   
Cheers mate! I've installed 275.33 drivers and the flickering is gone! Tonight I'll try 280.26 drivers. It seems the beta drivers messing with SLI. We have to wait until Nvidia releases a firm/stable driver.
Cheers mate! I've installed 275.33 drivers and the flickering is gone! Tonight I'll try 280.26 drivers. It seems the beta drivers messing with SLI. We have to wait until Nvidia releases a firm/stable driver.

Cooler Master HAF922

ASUS P8Z68-V PRO

Intel i5-2500K

Highpower Absolute 850W 80+

G.SKILL RipjawsX 16GB DDR3-1600MHz CL 9 (4x4GBs)

ASUS ENGTX560 Ti DCII TOP SLI with ASUS ENGTX560 Ti DCII OC'ed to TOP

Team Xtreem S3 120GB SSD

Cooler Master Vortex Plus CPU Cooler

1.5 TB Western Digital Caviar Green HDD

ASUS DRW-24B3ST SATA DVD-RW

Logitech G19 Keyboard

Razer Lachesis

Creative 5.1 surround speakers

Windows 7 Ultimate 64 bit

Samsung T240 FULL HD LCD

#13
Posted 10/12/2011 05:52 AM   
ive been unable to do much on this for a few weeks. i decided to do a fresh install on a separate HDD i had lying around, and it worked right off the cuff. So i thought, okay, this must be the problem. so i do a fresh installation to my current OS drive (larger & faster). yet the problem persisted.
now logic tells me the HDD cannot possibly influence this at all. and as for what i had installed until then, it was exactly the same as the temporary drive: Win 7 x64, 285.38 beta drivers, heaven bench and .NET Framework 4 (required by heaven 2.5).
so i figure something must have gone wrong...rinse, repeat, same result. baffled.

eventually, desperate, i ended up doing an image copy of the smaller drive onto the larger drive, and so far it still works. i am even running the latest drivers 285.62.

just FYI, i took the two cards to a friend's machine who usually runs a tri-6970 setup. did a clean install on his machine, and the problem occurred there as well. by doing that i believe i eliminated the possibility of a faulty motherboard or underpowered PSU.

i am going to just forget this ever happened and be happy while it lasts. if it breaks again at some point, ill switch to AMD.
ive been unable to do much on this for a few weeks. i decided to do a fresh install on a separate HDD i had lying around, and it worked right off the cuff. So i thought, okay, this must be the problem. so i do a fresh installation to my current OS drive (larger & faster). yet the problem persisted.

now logic tells me the HDD cannot possibly influence this at all. and as for what i had installed until then, it was exactly the same as the temporary drive: Win 7 x64, 285.38 beta drivers, heaven bench and .NET Framework 4 (required by heaven 2.5).

so i figure something must have gone wrong...rinse, repeat, same result. baffled.



eventually, desperate, i ended up doing an image copy of the smaller drive onto the larger drive, and so far it still works. i am even running the latest drivers 285.62.



just FYI, i took the two cards to a friend's machine who usually runs a tri-6970 setup. did a clean install on his machine, and the problem occurred there as well. by doing that i believe i eliminated the possibility of a faulty motherboard or underpowered PSU.



i am going to just forget this ever happened and be happy while it lasts. if it breaks again at some point, ill switch to AMD.

#14
Posted 10/25/2011 02:14 PM   
[quote name='split-za' date='06 June 2011 - 01:21 PM' timestamp='1307384507' post='1248303']
I recently added a new EVGA GTX460 SC ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16814130597&cm_re=evga_gtx460-_-14-130-597-_-Product"]http://www.newegg.com/Product/Product.aspx?Item=N82E16814130597&cm_re=evga_gtx460-_-14-130-597-_-Product[/url]) to my Gigabyte GTX460 OC ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333&cm_re=gigabyte_gtx460-_-14-125-333-_-Product"]http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333&cm_re=gigabyte_gtx460-_-14-125-333-_-Product[/url]) and I am getting this annoying flicker in most fullscreen games. When running in windowed mode it works pretty well, but this is not a solution IMO.

I have read a bunch of posts online but im still not sure what the exact cause or resolution is. The main explanations that have some from my readings are:
1) Faulty SLI bridge
I have not been able to test with a new/different SLI bridge, so this possibly could be the problem. I should have one by tomorrow evening to be able to test this.
FYI my SLI bridge is ASUS branded that came with my motherboard. I dont know if their bridge has many problems, apparently there have been plenty of problems with MSI bridges.

2) Bad drivers
All posts I could find regarding bad drivers seem to be from around 2009 and referring to specifically trying 18x drivers. Since were already at 27x by now, I am not convinced going back to ancient drivers will solve my problem.
I have also found information pointing to having multiple versions of drivers installed due to the uninstall/upgrade process not always removing all driver remnants. For this I have used Driver Sweeper in safe mode to remove all remnants before installing latest nvidia 275.33 drivers - no luck.

3) Improper PCIe slot configuration/Bad PCIe slot
I have tried every which way as combination and still no luck. Proper working in windowed mode also suggests to me that there is no problem with the PCIe slots/configuration.

4) Underpowered PSU
I have a CoolerMaster Real Power M700 ([url="http://www.coolermaster.com/product.php?product_id=2574"]http://www.coolermaster.com/product.php?product_id=2574[/url]) which is a few years old, but should in my mind still have enough juice to run everything.

I have also tested each card individually, and they seem to work fine. In fact, they work very well when running in windowed mode, so I'm convinced the cards arent bad. MSI afterburner shows both GPUs being taxed in windowed mode. Just the mere fact that everything works in windowed mode without screen flicker tells me that all components are in perfect working order and that instead there is some unknown force trying to split my cheeks.

Now by the number of scattered posts I found related to all this I know that this topic might be a little worn out, but nothing so far seems to have worked for me (barring the sli bridge test, which is still to come). Did I miss something stupidly simple? Could anyone here shed some light?

My system is a pretty common build by today's standard i would imagine:
ASUS P8P67 WS Revolution ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16813131714&Tpk=asus%20ws%20rev"]http://www.newegg.com/Product/Product.aspx?Item=N82E16813131714&Tpk=asus%20ws%20rev[/url])
Intel Core i5-2500K ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16819115072&cm_re=core_i5_2500k-_-19-115-072-_-Product"]http://www.newegg.com/Product/Product.aspx?Item=N82E16819115072&cm_re=core_i5_2500k-_-19-115-072-_-Product[/url])
G.SKILL Ripjaws Series 8GB ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16820231314&cm_re=gskill_ddr3_1600-_-20-231-314-_-Product"]http://www.newegg.com/Product/Product.aspx?Item=N82E16820231314&cm_re=gskill_ddr3_1600-_-20-231-314-_-Product[/url])
Gigabyte GTX460 OC ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333&cm_re=gigabyte_gtx460-_-14-125-333-_-Product"]http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333&cm_re=gigabyte_gtx460-_-14-125-333-_-Product[/url])
EVGA GTX460 SC ([url="http://www.newegg.com/Product/Product.aspx?Item=N82E16814130597&cm_re=evga_gtx460-_-14-130-597-_-Product"]http://www.newegg.com/Product/Product.aspx?Item=N82E16814130597&cm_re=evga_gtx460-_-14-130-597-_-Product[/url])
CoolerMaster Real Power M700 ([url="http://www.coolermaster.com/product.php?product_id=2574"]http://www.coolermaster.com/product.php?product_id=2574[/url])
Windows 7 Ultimate x64



Any advice would be most welcome.
[/quote]
[quote name='split-za' date='06 June 2011 - 01:21 PM' timestamp='1307384507' post='1248303']

I recently added a new EVGA GTX460 SC (http://www.newegg.com/Product/Product.aspx?Item=N82E16814130597&cm_re=evga_gtx460-_-14-130-597-_-Product) to my Gigabyte GTX460 OC (http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333&cm_re=gigabyte_gtx460-_-14-125-333-_-Product) and I am getting this annoying flicker in most fullscreen games. When running in windowed mode it works pretty well, but this is not a solution IMO.



I have read a bunch of posts online but im still not sure what the exact cause or resolution is. The main explanations that have some from my readings are:

1) Faulty SLI bridge

I have not been able to test with a new/different SLI bridge, so this possibly could be the problem. I should have one by tomorrow evening to be able to test this.

FYI my SLI bridge is ASUS branded that came with my motherboard. I dont know if their bridge has many problems, apparently there have been plenty of problems with MSI bridges.



2) Bad drivers

All posts I could find regarding bad drivers seem to be from around 2009 and referring to specifically trying 18x drivers. Since were already at 27x by now, I am not convinced going back to ancient drivers will solve my problem.

I have also found information pointing to having multiple versions of drivers installed due to the uninstall/upgrade process not always removing all driver remnants. For this I have used Driver Sweeper in safe mode to remove all remnants before installing latest nvidia 275.33 drivers - no luck.



3) Improper PCIe slot configuration/Bad PCIe slot

I have tried every which way as combination and still no luck. Proper working in windowed mode also suggests to me that there is no problem with the PCIe slots/configuration.



4) Underpowered PSU

I have a CoolerMaster Real Power M700 (http://www.coolermaster.com/product.php?product_id=2574) which is a few years old, but should in my mind still have enough juice to run everything.



I have also tested each card individually, and they seem to work fine. In fact, they work very well when running in windowed mode, so I'm convinced the cards arent bad. MSI afterburner shows both GPUs being taxed in windowed mode. Just the mere fact that everything works in windowed mode without screen flicker tells me that all components are in perfect working order and that instead there is some unknown force trying to split my cheeks.



Now by the number of scattered posts I found related to all this I know that this topic might be a little worn out, but nothing so far seems to have worked for me (barring the sli bridge test, which is still to come). Did I miss something stupidly simple? Could anyone here shed some light?



My system is a pretty common build by today's standard i would imagine:

ASUS P8P67 WS Revolution (http://www.newegg.com/Product/Product.aspx?Item=N82E16813131714&Tpk=asus%20ws%20rev)

Intel Core i5-2500K (http://www.newegg.com/Product/Product.aspx?Item=N82E16819115072&cm_re=core_i5_2500k-_-19-115-072-_-Product)

G.SKILL Ripjaws Series 8GB (http://www.newegg.com/Product/Product.aspx?Item=N82E16820231314&cm_re=gskill_ddr3_1600-_-20-231-314-_-Product)

Gigabyte GTX460 OC (http://www.newegg.com/Product/Product.aspx?Item=N82E16814125333&cm_re=gigabyte_gtx460-_-14-125-333-_-Product)

EVGA GTX460 SC (http://www.newegg.com/Product/Product.aspx?Item=N82E16814130597&cm_re=evga_gtx460-_-14-130-597-_-Product)

CoolerMaster Real Power M700 (http://www.coolermaster.com/product.php?product_id=2574)

Windows 7 Ultimate x64







Any advice would be most welcome.

#15
Posted 02/20/2012 11:34 PM   
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