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[Official] 7870 Tahiti LE (XT) Owners Club - Page 393

post #3921 of 5223
Quote:
Originally Posted by thetwistedblue View Post

Has anyone experienced screen flickering while idling?

When I ramp up my core speed to 1180mhz, in games it performs absolutely fine, but when it slows itself down to 501mhz on the desktop the screen flickers. Additionally from time to time on youtube my whole screen goes grey.

On my searches to find a solution I've read Veky discussing it in this thread, but he only mentions about how if you modified your BIOS to raise the 2D memory speed in order to stop the flickering, you now need to change it back following the latest driver update.
Is your mem speed modified to be below 1500 in 2D?
post #3922 of 5223
Quote:
Originally Posted by RaXelliX View Post

Is your mem speed modified to be below 1500 in 2D?

Hey RaXelliX,

I did have a 2D profile set up in MSI afterburner, but the memory speed was set to 1500mhz.I wasn't able to ever get it to work though, the card just used to downclock the core speed itself to 500mhz regardless of my profiles. I didn't try making a custom BIOS.

Weirdly though the problem is no longer happening. Now the card is downclocking to a core speed of 300mhz with a reported mem speed of 556 (although MSI never gives the mem speed correctly, so it's probably set at 600mhz), and there is no flickering at all.

Just in case anyone has a similar problem here are my current MSI settings: MSI settings (Click to show)

This is what the problem looked like:
Video of screen flicker (Click to show)

I read on the interwho that people have managed to fix the problem by changing their monitor resolution after applying their overclock. I only had to do this one time:
youtube of some dude fixing problem (Click to show)

I have no idea if it helped, but having my core clock downclock to 300 instead of 500 seems to be what is doing the job.
Edited by thetwistedblue - 1/7/14 at 6:12am
post #3923 of 5223
Hey thetwistedblue
I'm having a similar issue with my XFX 7870 2GB card its not so frequent but maybe every hour once or twice the screen will blink/refresh/flicker like in your video
Mostly happens when watching youtube videos and twitch streams
Il try the MSI Afterburner fix for myself

Thanks
post #3924 of 5223
Quote:
Originally Posted by sQuetos View Post

Hey thetwistedblue
I'm having a similar issue with my XFX 7870 2GB card its not so frequent but maybe every hour once or twice the screen will blink/refresh/flicker like in your video
Mostly happens when watching youtube videos and twitch streams
Il try the MSI Afterburner fix for myself

Thanks

Good luck with it. In some other forums people mentioned that hardware acceleration in Firefox can cause the same symptoms, so I have mine disabled. The flicker was still happening on the desktop with firefox for me though!
post #3925 of 5223
Quote:
Originally Posted by thetwistedblue View Post

Good luck with it. In some other forums people mentioned that hardware acceleration in Firefox can cause the same symptoms, so I have mine disabled. The flicker was still happening on the desktop with firefox for me though!
yeah... lol didnt work aha atleast I tried
post #3926 of 5223
Really cant find a fix and dont want to rma the card wait weeks for a new gpu sad times sadsmiley.gif
post #3927 of 5223
Finally the beast reached me.

VTX3D 7870 Black Edition, i admire you!

Cheaper than everything else, yet...after 3x7950 making nothing more than 1100mhz (1x Asus TOP V2 + 2X GA WF3) without ridiculous voltages, this one is making 1200mhz with stock voltage (1.24), extremely stable.

While gaming, with fan 100% (not that noisy), the Gpu hit 68º and Vrm´s 63º.

What do you think?Should i work on the 3x Coolink Swif 92mm 1850rpm mod or save time and let it be this way?

68º doesnt seem to much for me.



http://www.techpowerup.com/gpuz/6szy2/

thumb.gif
post #3928 of 5223
Mine's reaching 73c @ 1200/1500 1215 VDDC 65% fan speed
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Vegemite Spreader
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post #3929 of 5223
Wish my card would do 1200 but I suppose 1150 is pretty good nonetheless.
post #3930 of 5223
Took the shim off and reapplied TIM, did much better job now. Got a ~10C drop. Used to get 50-55C in BF4, now getting 40-45C. Only around 35-40C in Valley, I'm happy now smile.gif.

Also those temps are with all radiator fans 700-800 RPM smile.gif. Silent beast.
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DeskoSaurus X
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It Does Stuff
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CPUMotherboardGraphicsRAM
4790K 4.7 GHz Z97 MPOWER MAX AC 290X Lightning G. Skill TridentX 2x8GB 10-12-12 
Hard DriveHard DriveCoolingCooling
2x Crucial MX100 + 960GB M500 2x WD Blue RAID EK Supremacy EK-FC R9-290X Lightning 
CoolingCoolingCoolingOS
EK XE 480 + EK CoolStream PE 480 10x Phanteks + 2x Cougar Vortex MCP50X + MCP50X Windows 10 Pro 
MonitorKeyboardPowerCase
ViewSonic VX2250 22" LED Generic HP Corsair AX860i Lian-Li DK-Q2X 
MouseMouse PadAudioOther
Logitech G700 XTRAC Ripper TC Electronic Impact Twin Corsair Commander Mini 
OtherOther
Schiit Vali Kanto Yumi (Bamboo) 
CPUMotherboardGraphicsRAM
FX-8350 4.95GHz 24/7 GA-990FXA-UD3 Sapphire 7870 XT  Mushkin Redline 997051 @1866 8-8-8-24 1T 
RAMHard DriveHard DriveCooling
Crucial Ballistix Tactical Tracer @1866 8-8-8-2... Black WD6401AALS 2x WD10EZEX Raid-0 EK Supremacy 
CoolingCoolingCoolingCooling
10x Cougar Vortex PWM 3x Helix EK VGA Supremacy Acetal Alphacool NexXxos ST30 240mm, 2x XT45 240mm XSPC X2O 750 
CoolingOSMonitorKeyboard
Jingway DP-600 pump Windows 8.1 Pro x64 ViewSonic VX2250 22" LED Generic HP 
PowerCaseMouseAudio
Rosewill HIVE-650 CM 690 II Advanced B&W  Logitech G700 Xonar DG 
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Tc Electronic Impact Twin Fan Controller: Aerocool X-Vision 2x Swiftech PWM Splitter 
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