COD Warzone 100% CPU Usage: How to Fix


What if your biggest enemy in Call of Duty: Warzone was completely invisible?

No, we’re not talking about snipers with really good camouflage. The biggest enemy that many players face is their high CPU usage!

Sometimes, the game uses too much of your CPU (even up to 100%). This can cause the game to crash and generate other unwanted errors. Fortunately, we’ve got the lowdown on how to solve this particular problem.

How to Fix 100% CPU Usage in Warzone

Get to the bottom of this

The best cure for many computer problems is to prevent them altogether. With this in mind, let’s take a look at some of the potential causes of your high CPU usage problem in Warzone.

The issue may be caused by out-of-date drivers on your computer. And updating the GPU drivers may be enough to fix the issue.

For some players, the main cause is trying to run the game on high settings. It’s possible your CPU can’t handle the demands of the game on these settings. In that case, lowering the settings may clear the problem right up.

And for a few players, the problem is very direct. Call of Duty: Warzone requires 8 GB of RAM at a minimum. If you do not meet this requirement, you are likely to encounter CPU usage problems when you attempt to play.

Solve the Problem Today

The fix is in

Earlier, we touched on potential causes and solutions to this error. Now, we’re going to do a deeper dive into each potential solution.

Updating your GPU drivers is easy enough. However, you need to know what kind of graphics card you are using. This basically comes down to determining if you need AMD drivers or NVIDIA drivers.

If you think that high settings are the problem, you can toggle those settings down right away. But it may be worth doublechecking the specs on your computer. If you don’t have at least an Intel® Core™ i5-2500K or AMD Ryzen™ R5 1600X Processor, then the only real solution may be a computer upgrade.

If you have an NVIDIA card, you can turn off the in-game overlay. This can help prevent the CPU usage issue and provide for a better overall experience.

If memory is the main issue, you can increase your computer’s virtual memory. When you get to the “Performance” section of your advanced settings, select Virtual Memory. From here, you can uncheck the option to automatically manage page file size, set initial and maximum size higher than 2048 MB, and reboot your PC.

What If the Error Persists?

The hits keep coming

If you’re reading this, you’re probably looking for an easy fix to this issue. But what if you’ve tried everything and the problem persists?

We hate to say it, but the most likely cause of the issue at that point is your computer. And making relevant upgrades to your CPU, GPU, and/or memory may be your best bet.

What Comes Next?

Now you know how to solve this annoying CPU error. But what if another Warzone error comes up?

To keep on gaming, we recommend you check out our guide to fixing Warzone’s VRAM usage error.


Chris Snellgrove
Chris Snellgrove is a professional nerd turned nerdy professional. After completing a PhD in English, he started teaching by day and writing by night. Despite the manic schedule, he finds plenty of time for books, comics, movies, and video games. Ultimately, he lives his life by the philosophy of the Rocky Horror Picture Show: "don't dream it...be it!"

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