Alright, let me give you some background.
I got Overwatch on PC just recently, and have been playing enough to reach Level 15, so that should give you a timeframe before this happened.
Just yesterday, I started having an issue with latency. I would be, let’s say walking and shooting at an enemy, right? But then, my shots would start doing nothing, everyone would be standing still, and after around a second I would teleport in a direction, and everything would be current time again. Basically, everything would still be happening, but on my end everyone is frozen and shots aren’t doing anything, but on their screen (what I’ve seen from kill cams) I’m basically looking around aimlessly, wandering, and then all the sudden I just snap back in.
This doesn’t happen on any other thing in my house, it’s only on that one computer. I should also mention that I share it with my step-dad, who does crypto-currency and leaves them running 24/7. I don’t know much, but I think it’s something on his account running that’s interfering with the connection on that computer.
The computers stats are:
The processor is 7700k with Nvidia 1080 GPU. The computer is an iBuyPower Trace 931.
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POSSIBLE SOLUTION: check your WIRELESS CARD/ROUTER QOS, WMM, POWER SAVING SETTINGS.
I had the exact same issue, which seemed to start with one of the updates in the last 3-4 months. Blizzard purportedly fixed the issue when it appeared in November, but there are still a ton of posts about this weird lag spike/freeze issue.
I think the issue for a lot of people, if everything was fine before last November, isn’t your PC hardware or any driver update, IT’S YOUR WIRELESS CARD OR THE WIRELESS ROUTER.
Check your router settings for any Quality of Service (QoS) or “WMM” features, including any “power save” feature (and disable any power management features for your wireless card under Device Manager and Power Settings), and disable them all to see if it goes away. My guess is, Blizz may have introduced a new “feature” in a recent update that interacted with QOS or WMM in a negative way, and that it basically lowered the Overwatch data stream priority or tripped power saving settings in wireless cards or the router that put the data stream to sleep for brief moments. I disabled all these features on my router and on my wireless card (and put max performance in my power saving settings including checking Power Settings’ advanced settings to disable wireless card power saving), and my issues FINALLY went away.
Hopefully that is the solution for you and most people who have this issue.