Lenovo M73 manual Mouse or pointing device does not work, Fingerprint reader does not work

Note: For detailed information on how to open Control Panel onWindows 8 and Windows 8.1, see “Navigating among screens on the Windows 8 and Windows 8.1 operating systems” on page 18.

2.Click Hardware and Sound.

3.Click Devices and Printers.

4.Double-click USB Enhanced Performance Keyboard. The USB Enhanced Performance Keyboard Customization program starts.

If these actions do not correct the problem, have the computer and keyboard serviced. See Chapter 11 “Getting information, help, and service” on page 119 for details.

The mouse or pointing device does not work

Symptom: The mouse or pointing device does not work.

Actions:

•Verify that the mouse or pointing-device cable is securely attached to the correct connector on the computer. Depending on the type of mouse you have, the mouse cable will connect to either the mouse, serial, or USB connector. Some keyboards have integrated USB connectors that can be used for a USB mouse or pointing device.

•Verify that the device drivers for the mouse or pointing device are installed correctly.

•If you are using a USB keyboard or mouse, verify that the USB connectors are enabled in the BIOS settings. See “Enabling or disabling a device” on page 91.

If these actions do not correct the problem, run the Lenovo Solution Center program. If you need technical assistance, see Chapter 11 “Getting information, help, and service” on page 119.

The pointer on the screen does not move smoothly with the mouse

Symptom: The pointer on the screen does not move smoothly with the mouse.

Action: Erratic movement of the mouse pointer is generally caused by a buildup of dirt, oils, and other contaminants on the ball inside the mouse. Clean the mouse. See “Optical mouse” on page 99 for instructions.

The fingerprint reader does not work

Symptom: The fingerprint reader does not work.

Action: The following could cause the fingerprint reader not to operate properly:

•Not enrolling your fingerprint correctly.

•Scratching the surface of the reader with a hard, pointed object.

•Scraping the surface of the reader with your nail or anything hard.

•Using or touching the reader with a dirty finger.

•The surface of your finger is very different from when you enrolled your fingerprint.

The wireless keyboard does not work

Symptom: The wireless keyboard does not work.

Action: If the Transceiver Communications LED is on and the wireless Keyboard does not work, restart your computer. If restarting your computer does not solve the problem, verify that the following conditions are met:

•The batteries are properly installed.

•The batteries still retain their current.

108ThinkCentre M73 User Guide