- K350 Keyboard
- M510 Mouse
If your mouse isn't working, the problem is likely to be a lost connection. The connection between the mouse and Unifying USB receiver can be lost for several reasons, including:
- Low battery charge
- Moving the Unifying USB receiver from one USB port to another
- Moving the Unifying USB receiver to another computer
- Plugging the USB receiver into a USB hub, KVM switch or other unsupported device (NOTE: Your USB receiver must be plugged directly into your computer.)
- Using your cordless mouse on metal surfaces
- Radio frequency (RF) interference from other sources, such as:
- Wireless speakers
- Computer power supplies
- Cellular telephones
- Garage door openers
Try to rule out any of these problem sources that might be affecting your mouse before you reconnect it.
Before reconnecting your mouseBefore you connect your mouse again:
- Make sure you have fresh batteries in your mouse. For battery installation instructions, see Knowledge Base article 360023218454.
- Make sure the mouse is turned on. For instructions on turning your mouse on and off, see Knowledge Base article 360023218454.
- Make sure the Unifying USB receiver is securely plugged directly into a working USB port on your computer.
- Turn your computer on.
Follow the process below to reconnect your mouse.
Reconnecting your Mouse
To reconnect your mouse:NOTE: These instructions use Windows screenshots. Macintosh will look slightly different, but the instructions and messages are the same.
- Download the correct version of Logitech SetPoint mouse and keyboard software from the MK550 Downloads Page.
- Launch the Logitech Unifying Software:
- Windows: Start > Programs > Logitech > Unifying > Logitech Unifying Software
- Macintosh: Application / Utilities / Logitech Unifying Software
- When the Logitech Unifying Software Welcome screen shown below displays, click Next to continue.
- Follow the on-screen instructions to turn your mouse off and then back on
- When your mouse is detected, you'll see the confirmation message below. Click Yes and then Next.
NOTE: The mouse version number shown above is correct. Your MK550 Desktop comes with a K350 Keyboard and an M510 Mouse.
Click Finish to exit the Logitech Unifying Software. Your mouse should now be connected.
If you're still having the same issue, see Knowledge Base article 18194 for how to contact Logitech Technical Support.