1. Open Control Panel.
Note:
For detailed information on how to open Control Panel on Windows 8 and Windows 8.1, see
“Accessing Control Panel on the Windows 8 or Windows 8.1 operating system” 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 125 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 95.
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 125.
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 103 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:
114
ThinkCentre M73 User Guide
Summary of Contents for ThinkCentre M73
Page 1: ...ThinkCentre M73 User Guide Machine Types 10AX 10AY 10DK 10DL 10DM and 10DN ...
Page 6: ...iv ThinkCentre M73 User Guide ...
Page 26: ...14 ThinkCentre M73 User Guide ...
Page 34: ...22 ThinkCentre M73 User Guide ...
Page 40: ...28 ThinkCentre M73 User Guide ...
Page 44: ...32 ThinkCentre M73 User Guide ...
Page 104: ...92 ThinkCentre M73 User Guide ...
Page 118: ...106 ThinkCentre M73 User Guide ...
Page 140: ...128 ThinkCentre M73 User Guide ...
Page 146: ...134 ThinkCentre M73 User Guide ...
Page 150: ...138 ThinkCentre M73 User Guide ...
Page 153: ...Appendix E China Energy Label Copyright Lenovo 2013 2015 141 ...
Page 154: ...142 ThinkCentre M73 User Guide ...
Page 156: ...3 Follow the instructions on the screen 144 ThinkCentre M73 User Guide ...
Page 160: ...148 ThinkCentre M73 User Guide ...
Page 161: ......
Page 162: ......