A USB wireless mouse has no physical wire connection to the computer. Rather, the mouse wirelessly transmits a signal between a USB wireless receiver connected to a USB port on the computer. A number of minor problems can occur with a wireless mouse that require troubleshooting to fix the wireless mouse.
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If the wireless mouse is not connected properly to its wireless receiver, it will not function properly. Resynchronizing the wireless connection can usually fix a connection problem.
The wireless receiver has a button and a light on it. Press the button until the light begins to blink. Next, locate a button on the bottom of the mouse that may be labelled as "Connect Channel." Pressing this button will resynchronize the receiver with the mouse. A steady green light displayed on the receiver will indicate if the connection has been fixed.
Bad USB port
A physical connection between the USB receiver and the USB port can also be the problem. This can be fixed by disconnecting the USB receiver from the computer's USB port and trying other USB ports on the computer.
Wireless mice are powered by on-board batteries, usually standard sized AA or AAA batteries inside their casing. Unlike wired USB devices, they cannot be powered by their USB connection.
Turning the mouse over and removing the battery cover will reveal the batteries. A good indicator of a battery issue is if the mouse works off and on or if the optical light on the underside of the mouse flickers often.
Remove the batteries and replace them with fresh batteries. Replace the cover and wait a few seconds. You may have to resynchronize the wireless connection as described in Section 1 of this article.
Wireless signals from other wireless devices, as well as electromagnetic signals, can interfere with the wireless mouse's communication with the receiver. Removing all nearby electronic devices including cell phones, metal objects and any cordless devices from the area where the mouse is placed may remove interference.
Software and Firmware Issues
While most USB devices are plug-and-play, some wireless mice may come with additional software, including device drivers. Try to reinstall the software that came with the mouse or visit the mouse maker's website for updated drivers to download and install.
Those who use a Microsoft wireless mouse can visit the Software Update page (see Resources section below). You may have to reconnect and resynchronize the mouse after reinstalling or updating the device drivers for the mouse.
Computer mice that are cracked or damaged should be replaced with a new computer mouse. Mice that fail to respond to user input or continue to act erratically should be returned if under warranty or replaced.
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