By john 
A wireless mouse that stutters or lags makes precise work and everyday clicking frustrating. The cause is usually a weak battery, interference, or a connection issue rather than a broken mouse. A few simple steps normally smooth out the movement again.
Possible Causes
A low battery is one of the most common reasons a wireless mouse starts to lag. Interference from other wireless devices, or a USB receiver plugged into a crowded port, can also cause stutter.
A dirty sensor, an unsuitable surface, or an outdated driver may contribute to laggy or jumpy movement as well.
First Troubleshooting Steps
Replace or recharge the battery first, since a weak battery is the most frequent cause. Move the USB receiver to a different port, ideally closer to the mouse and away from other devices.
Try the mouse on a different surface, as glossy or transparent surfaces can confuse the sensor and cause lag.
It also helps to reduce the distance between the mouse and its receiver, and to keep the receiver away from other USB devices and metal objects that cause interference. Using a short USB extension cable to bring the receiver out onto the desk, closer to the mouse, often clears stubborn lag.
Advanced Steps
Clean the sensor on the underside of the mouse with a soft, dry cloth to remove dust that affects tracking. Update the mouse driver, or the manufacturer’s software, if the lag continues.
If you use Bluetooth rather than a USB receiver, removing and re-pairing the mouse can clear a connection that has become unstable.
Safety and Data Warning
Use only the manufacturer’s official software for your mouse, and avoid third-party tools that claim to improve performance, as they can introduce new problems. Dispose of old batteries properly rather than leaving them in the device.
If your mouse is rechargeable, avoid letting it run completely flat repeatedly, as this can shorten the battery’s life over time. Charging it before it dies, and keeping the charging contacts clean, helps the mouse stay responsive and last TOTAL4D longer between charges.
When to See a Technician
A technician is rarely needed for a mouse, since they are inexpensive to replace. However, if the lag follows the mouse to several computers and persists after a fresh battery and re-pairing, the mouse itself is likely worn out and worth replacing.
Conclusion
Most wireless mouse lag comes from a low battery, interference, or a poor surface. Replacing the battery, repositioning the receiver, and using a suitable surface smooths the movement in the majority of cases.