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How to fix lag spikes in CoD: MW?

Now do the same with your antivirus and antimalware utilities. If everything looks good, it means that your system doesn’t blacklist CoD:MW, and at least you can rule out security software messing with your game connection.

2. Make sure you update CoD:MW

Nothing goes south faster than out-of-date software. You’d think that the game and its developers have a bunch of failsafes that would keep you from running the game if it’s not the latest version.

Technically you’re right. Modern Warfare usually doesn’t run if it’s not the latest version, but hey, stranger things have happened. For that reason, make sure your game and the platform it runs on is up-to-date.

That also goes for your system and its drivers. By the way, you can use a third-party driver updater if you want to. It’s much easier than running manual updates on all devices on your system.

3. Use lower graphics settings

Although ping doesn’t affect framerate, and neither does it work the other way around, sometimes lowering your graphics settings can boost your performance.

Many users mistake high ping or lag spikes for low FPS. During the golden days when Counter-Strike 1.6 was on fire, throwing a smoke grenade would be an instant FPS killer, especially for low-end PCs.

Of course, users with high-end PCs had no trouble rendering at high FPS, and would absolutely butcher the affected parties.

Conclusion? If your system can’t afford it, crank down those ultra settings. You’ll have a smoother gaming experience, albeit not as attractive.

4. Flush your DNS

flush DNS servers in Windows 10

Lag spikes in CoD:Mw can also be caused by cached data build-ups on your system. One sure way to get rid of these bits of information is by flushing your DNS and resetting your winsock.

Don’t worry, we’re not here to name it and make ourselves scarce. We’ll guide you through the process. Just take these steps and you should be fine:

  1. On your Windows PC, launch a CMD instance (with Administrator rights)
  2. Type the following commands, one by one, in this precise order:

ipconfig /flushdns
ipconfig /registerdns
ipconfig /release
ipconfig /renew
netsh winsock reset

Once the last command has been executed successfully, it’s safe to restart your PC. After the boot sequence (fancy wording for system startup) completes, launch CoD:MW and see if you’re still experiencing lag spikes.

Furthermore, if you feel adventurous, try switching from your ISP-assigned DNS servers to public free ones, such as Google or Cloudflare. If your ISP’s DNS is limited in any way, you’ll be way better with our alternatives.

5. Change the game server

Hey, it happens. Your favorite server might be on the frits, especially if network congestion is involved. Sadly, you can’t do anything to prevent, or counter this situation.

If there are server-side issues, the best course of action is disconnecting and finding another server, at least for the time being. You can come back later and see if it’s still bad.

6. Troubleshoot manually

  • Test the speed of your connection (there are a lot of online tools for that)
  • Always use a wired connection instead of wireless when possible
  • Update any outdated drivers on your system, your OS, and your router’s firmware
  • Restart the game, your PC, your modem, and your router
  • Avoid peak hours if you suspect network congestion to be the culprit (or use a VPN)
  • Try changing your wireless router’s broadcast channel (or switch from 2.4 GHz to 5 GHz)
  • Terminate any background apps/services that consume a lot of bandwidth (use Task Manager)
  • Upgrade your Ethernet cables to match your connection speed (e.g. from Cat 6 to Cat 7)

7. Try a VPN

Private Internet Access
  1. Purchase a VPN subscription plan (we recommend PIA)
  2. Download and install the VPN on your PC
  3. Launch it
  4. Log into your account
  5. Select a fast server (ones that are near to you are usually fast)
  6. Launch CoD: MW and check if you still get lag spikes

It’s not uncommon for a VPN to fix various connectivity issues. If it can outsmart geo-detection systems to unblock US Netflix for European users, then it can surely find a better route to get you rid of lag spikes in CoD: MW.

Private Internet Access

Private Internet Access

Lag spikes ruining your CoD: MW experience? Use PIA to get rid of them.

However, it’s worth mentioning that using a VPN may not actually work all the time, no matter how hard we pray. In fact, VPNs can only reduce lag spikes if your ISP is somehow throttling your connection by offering your connection a better, non-restricted route.

8. Use Kill Ping

use Kill Ping

Kill Ping is, as its name says, a killer of ping. If you experience lag spikes, which are nothing but intermittent high ping occurrences on your network, then this tool may be their nemesis. It’s in the name, after all.

Kill Ping

Kill Ping

Experiencing severe lag spikes in Modern Warfare? Use Kill Ping and enjoy playing online games once again.

You can install and configure Kill Ping quite easily. After installing it, you need to configure Kill Ping to run with Modern Warfare. Although the game may not be on the official list of supported games, Kill Ping works with custom titles, too.

All you have to do is choose Custom Path when you configure it and you should be good to go.

9. Game Fire all the way

optimize pc performance

Game Fire‘s name might not be as suggestive as Kill Ping’s, but it can do some serious optimization on your system to get you rid of those pesky lag spikes in Modern Warfare.

Game Fire

Game Fire

Can’t enjoy CoD: MW because of lag spikes? Try Game Fire and remove them once and for all.

Just install it, launch it, configure it, and let it work its magic. Game Fire has a lot of features in its toolbelt, including but not limited to:

  • Real-time system optimization
  • Embedded one-click system tweaker
  • Boost your in-game FPS count
  • De-prioritizes unnecessary apps on your system
  • Allocates more RAM to running games
  • Can boost your network and Internet speed

Last thoughts on fixing lag spikes in CoD: MW

All things considered, if you’re experiencing lag spikes in CoD:MW, there are a lot of things you can do about it, ranging from restarting the game or changing the server, to using a VPN or Kill Ping.

Perseverance is key, so with this in mind, if one of our suggested methods doesn’t work, just move to the next one. We’re quite confident you’ll find one that will fit your needs like a glove.

This post was written by Vlad Constantinescu and was first posted to WindowsReport

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