Before connecting your mouse or keyboard:
- Fix or rule out the potential problem sources listed above.
- Turn your computer off.
- Insert fresh batteries in your mouse or keyboard.
- Plug your receiver directly and securely into a working port (USB or PS/2) on your computer.
- Power on the mouse or keyboard.
Connect the included USB receiver to a USB port on your computer. Flip the Logitech wireless mouse over, and slide the power switch to the "On" position. Hold down the "Reset" button on the bottom of the mouse for four seconds to reset the mouse and refresh the wireless connection.
Sometimes the receiver gets out of sync with the wireless devices, causing them to stop working. Resyncing the setup is fairly easy. Then press the Connect button on the keyboard and/or mouse and the flashing light on the USB receiver should stop. Your receiver is now synced with the keyboard and/or mouse.
- Open Mouse Properties by clicking the Start button. , and then clicking Control Panel. In the search box, type mouse, and then click Mouse.
- Click the Pointer Options tab, and then do any of the following:
- Click OK.
- Press and hold the Windows ( ) key, and then press the q key.
- In the search box type Touchpad.
- Touch or click Mouse & touchpad settings.
- Look for a Touchpad On/Off toggle. When there is a Touchpad On/Off toggle option. Touch or click the Touchpad On/Off toggle, to toggle the touchpad on or off.
Step 1 Remove the battery cover
- The battery compartment cover is located on the top of the mouse. The seam running horizontally across the mouse is the top of the cover.
- There is a button to pop off the cover. It is located on the bottom of the mouse.
- If the button does not work, you will need to pry off the cover.
Navigate to the Start Screen or press the Windows Key and type device manager, then press Enter. Under Your PC, double-click Mice and other pointing devices. Locate your touchpad and right-click the icon and select Update Driver Software
Use the Logitech Options software
- Launch Logitech Options:
- If this is the first device to pair with your Unifying receiver, click Add Devices.
- If you already have one or more devices paired, click Your Devices and then Add Devices in the bottom right corner of the window.
Step 1 Scroll wheel
- Use a thin blade to peel up the corners and remove the mouse feet. They re-adhere very well, so be careful to not damage them or get the sticky side dirty.
- Unscrew the three screws that are now visible.
- Gently pull apart the top and bottom halves of the mouse. They will be connected by a wire.
Before connecting your keyboard:
- Fix or rule out the potential problems listed above.
- Insert new batteries (see answer 36022 for instructions).
- Turn your keyboard on (see answer 36024 for instructions).
- Make sure the receiver is securely plugged directly into a working USB port on your computer.
- Turn your computer on.
Method 1 Connecting a Mouse with a Wireless Receiver
- Plug in your mouse's receiver. The receiver should fit into one of your computer's USB ports.
- Make sure that your mouse has batteries.
- Turn on your mouse.
- Press your mouse's "Connect" button.
- Move your mouse around.
Pair with another Unifying receiver
- Download and install Logitech Unifying software.
- Press the Easy-Switch button to select a channel.
- Press the Connect button.
- On the computer, plug the Unifying receiver into a USB port and follow the onscreen instructions for completing the pairing.
Restart your laptop if the cursor still does not respond. Press the "Ctrl-Alt-Del" key combination simultaneously, and then press these keys a second time to restart the laptop. Test your mouse after the computer has rebooted.
Connecting a second device to my M310 Unifying USB receiver. Your M310 mouse can be connected to any Unifying USB receiver. The Unifying USB receiver can connect to up to six Logitech mice or keyboards with the Unifying logo (shown below): You can download SetPoint from the M310 Downloads Page.
Before connecting your M305:
- Turn your computer on.
- Insert a fresh battery in your mouse.
- Make sure the mouse is turned on.
- Make sure the USB nano-receiver is directly and securely plugged into a working USB port on your computer.
- To re-connect your M305 mouse, please choose your operating system from the options below:
Download and install a driver yourself
- Click the Start button, type "device manager" in the search box, and then select Device Manager.
- In the list of hardware categories, find the device that you want to update, and then double-click the device name.
- Step 1: Insert the Unifying receiver into a USB port on your computer.
- Step 2: Pull to remove the yellow battery tab.
- Logitech Options.
- Logitech Unifying wireless technology.
- Replace batteries.
- K400 Plus is a plug and play keyboard designed for easy use and long life.
The HID protocol has its limitations, but all modern mainstream operating systems will recognize standard USB HID devices, such as keyboards and mouse, without needing a specialized driver. When installed, a message saying that "A "HID-compliant device" has been recognized" generally appears on screen.
The Logitech Unifying receiver is an extremely small dedicated USB wireless receiver, based on the nRF24L-family of RF devices, that allows up to six compatible Logitech human interface devices (such as mice, trackballs, trackpads, and keyboards; headphones are not compatible) to be linked to the same computer using
Connect the M557 Bluetooth mouse to a Mac
- From the Apple menu, select System Preferences.
- In System Preferences, click the Bluetooth icon.
- In the Bluetooth pane, make sure On is selected, and then click the Add New Device icon — the "+" in the lower left.
- Turn on the mouse.
- Press the Bluetooth CONNECT button.