The receiver is plugged into a port that is not working. The batteries that you are using are low in power.
The batteries that you are using are rechargeable.
This problem may occur if one or more of the following conditions are true: A wireless device has a symbol that resembles a tree branch displayed on the USB connector/receiver or on the hardware itself. Wireless devices differ from Bluetooth devices. Note This article discusses how to resolve problems that are related to many non-Bluetooth Microsoft wireless mouse and keyboard devices. If your device is working correctly but you continue to receive the low signal error message, click to select the Do not show this again check box in the message window.
If you cannot navigate with either your wireless keyboard or mouse, you may need to connect a wired device to continue. The wireless mouse signal quality is low.
