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Weird Dip In Core Clock with Official 270.61 Drivers

post #1 of 4
Thread Starter 
The situation goes like this:

I was playing Crysis 2 for a good bit one day and all of a sudden, the game starts to lag. I thought "hmmm maybe this game is actually working my card out." So I finish up the level and start another game called Igneous. Its pretty GPU intensive too but it never lagged at all before. This time, it does and gets quite frustrating. I was sure that it wasn't that hardcore of a game to the point where the framerate would go down significantly. I close the game and start Gears of War. Surely I'm just going crazy but its happening in Gears too.

So finally I decide to check Afterburner for any abnormalities. When I open it and scroll to the core clock graph, its reading 405Mhz. Voltage is at .950.

I try to reapply my OC to the card but it didn't adjust accordingly. I restart my computer and it returns to regular the OC.

Anyone else have this problem? It happened with the beta 270 drivers too but not with the 266.66 drivers. In the Nv control panel, its set to be on performance clocks at all time so I know its not that.
post #2 of 4
roll back to 266 drivers and report

if lag issue still persists, lower to stock clocks and retry

if it still persists after rolling back, do a clean install/drive sweep windows

271 drivers screwed my windows up and in SLI, I was only getting 21 FPS in crysis 2
fixed itself after reinstalling windows and using the 266 drivers
post #3 of 4
Does setting it to prefer maximum performance under power management mode in the nvcp make any difference?
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Carbon GT
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7 2600K @ 4.5Ghz Asus P8P67 Pro Gainward Titan 8GB Mushkin Ridgeback Redline 
Hard DriveOptical DriveOSMonitor
256GB Samsung 830 SSD - 240GB Vertex 2E SSD Samsung SH-B123L Blu Ray Windows 8 64-bit 23" Asus VG236 - 120hz 
KeyboardPowerCaseMouse
QPAD MK85 Corsair HX850 NZXT Phantom Cyborg RAT 7 
Mouse PadAudio
Ozone Gaming Gear Asus Xonar DGX 
  hide details  
Reply
post #4 of 4
I have never used driver sweeper .Does it wipe all drivers from your OS? or can you set it to just wipe the Video Drivers,because 270.61 destroyed my 570 as well. I kept getting messages that my video driver has stopped working ,just when I would be watching a windowed Vid clip ,with my browser windowed as well. I thought I may have fried my 570. Re-installed 266 ,and got the message once . Hasn't happened in like 2 days. But I wish I never updated.
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