If you are seeing frames suddenly tanking mid-game after touching your Wireless Mouse, the cause is usually a setting or driver issue rather than a hardware fault.

Quick Answer

To fix fps drops on a Wireless Mouse setup, keep the dongle away from the Wi-Fi card and the GPU to avoid 2.4GHz interference. Most cases clear up once these are right, and you should be back to a steady framerate that holds its target.

Driver and Windows settings

Next, plug the USB dongle into a rear motherboard port, not a front-panel or hub port. Keep Windows 11 fully updated and turn off any background overlays or capture tools that hook into games, since these are a common source of fps drops. A clean driver install often does more than any single in-game setting when chasing a steady framerate that holds its target.

Tuning the peripheral itself

Once the software side is clean, focus on the peripheral. Set the polling rate to 1000Hz in the mouse software, since some receivers default to 125Hz. If the problem only appears under heavy load, watch the temperatures and clocks, because thermal throttling can masquerade as fps drops. The aim throughout is a steady framerate that holds its target.

First checks for Wireless Mouse

Start with the basics. Keep the dongle away from the Wi-Fi card and the GPU to avoid 2.4GHz interference. Set the polling rate to 1000Hz in the mouse software, since some receivers default to 125Hz. These two steps resolve the majority of fps drops cases on a Wireless Mouse, because the default Windows and driver settings are often the real cause rather than the peripheral itself.

FAQ

Can my monitor or refresh rate cause fps drops?

It can. Confirm Windows is at the panel's full refresh and enable VRR, since a mismatched refresh and framerate is a common cause of fps drops.

Why did fps drops start after my peripheral change?

A new peripheral often resets a setting or adds a driver that conflicts with your game. keep the dongle away from the Wi-Fi card and the GPU to avoid 2.4GHz interference, and the issue usually clears.

Is fps drops a hardware fault?

Usually not. Fps drops on a Wireless Mouse setup is almost always settings, drivers or thermals. Only suspect hardware after the checks above come back clean.

Apply the Wireless Mouse fixes in order, confirm the RAM is at EXPO and the GPU is in the top slot, and the fps drops should clear up.