The first thing to do when troubleshooting a mouse not working is to determine whether the mouse is receiving power. Make sure the cables or wireless adapter are securely connected and the lights (if any) on the mouse are on. If the mouse is wireless, replace the batteries and check that the receiver is plugged in properly.
If the mouse is receiving power but is still not functioning, try connecting it to a different USB port, as some ports may be disabled and/or not working correctly. Additionally, check to make sure that the USB port is functioning, as a malfunctioning port can cause a lack of power and therefore the mouse will not work.
If the mouse is still not functioning after the above steps have been taken, there may be an issue with the connected device. Start by disconnecting all other devices from the computer and then try connecting the mouse again. If this does not work, try connecting the mouse to another device to see if it works there. This process will help you identify whether the issue is with the device itself or the computer.
If the mouse is still not working after checking the connection and other devices, you may have a hardware issue.
If you have a wired mouse, check to make sure the cable is not damaged or frayed. If it looks worn or broken, replace it. If it appears to be in good condition, unplug the cable and plug it back in to ensure that it is seated correctly.
If you have a wireless mouse, make sure you are using the correct driver for it- the incorrect driver type can cause the mouse to not function properly. You can usually find the correct driver on the website of the mouse’s manufacturer.
If your mouse is still not working after following these steps, it may be a hardware issue and you may need to buy a new mouse.
It’s also possible that the problem is due to a software or firmware issue. Make sure your operating system is up to date and check if any additional updates (such as mouse software or driver updates) are available and install them if they are. Additionally, some mice have a switch on the bottom which may need to be toggled in order to enable or disable the device.
If none of these steps have solved the issue and you have determined that the mouse is receiving power, it is possible that the mouse has failed due to a manufacturing defect or some other issue. In this case, you may need to purchase a new mouse.