Nvidia Open GL Driver Lost Connection - Error Code 7

Hey all, first time poster and I've come to you with a problem regarding a graphics card issue, or at least what I'm hoping is simply a graphics card issue. An earlier search regarding this issue didn't yield too much success, and I'm thinking my problem might be slightly different:

I'm on a relatively new computer (just barely a month old):
GPU: EVGA GeForce GTX770
CPU: Intel(R) Core(TM) i5-4670K CPU @ 3.40GHz
Memory: 15.95GB
Driver Version: 327.23

I've had absolutely no problem with the latest nvidia driver up until this point. I was playing Guild Wars 2 earlier with no issue, but after stepping afk for a while, I'd returned to my desk to a completely white screen- it appeared my computer had just crashed completely. I was forced to hard restart my machine, and after trying to reload the game, I was hit with an error:

"The NVIDIA OpenGL driver lost connection with the display driver due to exceeding the Windows Time-Out limit and is unable to continue."

I can't start up any game (tried with Skyrim, TF2 and Planetside 2 as well)-- and even running multiple videos/streams gives me this same error, where the video card just seems to crash when it's being put under stress. That was never a problem before, GPU temps were never anything abnormal, and nothing is being overclocked.

I've tried downgrading to older drivers, uninstalling/re-installing latest drivers, and every combination of editing the TdrLevel and TdrDelay, and nothing seems to work-- starting up a game just freezes up my entire machine.

What are my options here? What seems to be the cause? :( I feel like I'm just about ready to give EVGA a call...
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More about nvidia open driver lost connection error code
  1. Best answer
    Update to the newest driver if possible from Also overclocking can cause this to happen due to instability.
  2. Thank you very much for the reply. I know it's been a couple of weeks since I opened the issue, but I just wanted to bring closer to it:

    Turns out it -was- a problem with the video card, it just failed. Had to send it back in to EVGA and get it replaced. New one works fine, didn't have to change around any settings or change any drivers. Unfortunate, but at least I had a warranty and the receipt and all that good stuff.
  3. Ahhh nice, that kind of escalated quickly didn't it.
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