How to fix mouse lag in Call of Duty: Modern Warfare

Matthew Adams
by Matthew Adams
Windows & Software Expert
Affiliate Disclosure

  • Mouse lag in Call of Duty: Modern Warfare can occur due to various reasons, but fixing this issue is pretty simple.
  • You can fix this issue by changing the game’s priority settings in Task Manager.
  • Changing certain mouse settings might also resolve any mouse lagging that you have in the game.
  • Players have confirmed updating drivers for certain gaming devices can fix mouse input lag for Modern Warfare.
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Mouse lag can arise in many games. When mouse lag arises, the mouse pointer movement lags behind your hand movement. That mouse lag can have a notable impact on the gameplay experience.

Some Call of Duty: Modern Warfare players have said in forum posts they need to fix mouse lag and stuttering for that game. Check out these potential resolutions if you need to fix mouse lag in Call of Duty: Modern Warfare.

How can I fix mouse lag for Call of Duty: Modern Warfare?

1. Update your mouse driver

First, check if you need to update the drivers for your mouse and graphics card. To do that, scan your PC with driver updater software.

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2. Change the priority setting for COD: Modern Warfare

  1. First, start the Call of Duty: Modern Warfare game via its launcher.
  2. Then you’ll need to return to the Windows desktop without closing Call of Duty: Modern Warfare by pressing the Windows key or Alt + Enter hotkey.
  3. Right-click the taskbar and select Task Manager on the context menu.
    access Task Manager from the taskbar
  4. Right-click the ModernWarfare.exe on the Details tab and select Set priority.
  5. Select the Normal option if any other setting is selected.
  6. Thereafter, close the Task Manager window; and return to the Call of Duty: Modern Warfare game.

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After doing that, check if mouse lag is still present in Call of Duty Modern Warfare.


3. Adjust the game’s mouse settings

  1. Open the launcher, and run Call of Duty: Modern Warfare.
  2. Open the Options menu in the game.
  3. Click Keyboard & Mouse to open the settings shown directly below.
    Keyboard & Mouse settings mouse lag call of duty modern warfare
  4. Disable the Mouse Smoothing option if it’s enabled.
  5. Adjust the Mouse Acceleration bar to 0.00 if it’s set at a higher value.
  6. Configure the Mouse Filtering setting to a 0.00 value.
  7. Try adjusting the Mouse Sensitivity setting to different values to see if that makes a difference.

4. Disable the Fast Startup option

  1. First, open the search utility by pressing the Windows + S key combination.
  2. Type Control Panel in the search text box.
  3. Click Control Panel to open it.
  4. Then select Power Options in the Control Panel.
    The Power Options applet mouse lag call of duty modern warfare
  5. Click Choose what the power buttons do to open further options.
  6. Click Change settings that are currently unavailable so you can adjust the options.
    The Turn on fast startup option mouse lag call of duty modern warfare
  7. Then uncheck the Turn on fast startup checkbox.
  8. Press the Save changes button.

After turning fast startup off, check if mouse lag in Call of Duty Modern Warfare is still there.


5. Plug your mouse into an alternative USB slot

USB port mouse lag call of duty modern warfare

There might be an issue with the USB port where the mouse is plugged in. So, try plugging your mouse into a different USB port.

If your mouse is currently plugged into a USB 3.0 slot, connecting it with a USB 2.0 slot might resolve the lag issue.


6. Change the report rate for your mouse

  1. Open the configuration software for your mouse.
  2. Then open up the mouse settings within its configuration software.
  3. Select a Sensitivity tab or look for sensitivity settings like the ones shown directly below.
    Report rate options mouse lag call of duty modern warfare
  4. Reduce the report rate value setting to at least 250 if you can.

The above resolutions might fix mouse lag for some Call of Duty: Modern Warfare players. If further fixes are still needed, you can contact an Activision support agent via the Activision Support site for COD: Modern Warfare.

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