Lenovo ThinkCentre M92 Hardware Maintenance Manual (HMM) (May 2012) - ThinkCen - Page 54

The mouse or pointing device does not work

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• "The mouse or pointing device does not work" on page 48 • "The pointer on the screen does not move smoothly with the mouse" on page 48 • "The wireless keyboard does not work" on page 49 All or some keys on the keyboard do not work Symptom: All or some keys on the keyboard do not work. Actions: • Verify that the keyboard cable is securely connected to the correct connector on the computer. • If you are using an Enhanced Performance USB keyboard and one or more of the Rapid Access buttons are the only keys that are not working, these buttons might have been disabled or have not been assigned to a function. Use the help system in the Enhanced Performance Customization Keyboard program to help diagnose problems with the Rapid Access buttons. • On the Windows 7 operating system, do the following: 1. Click Start ➙ Control Panel. 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 "Additional information resources" on page 34 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 61. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Solution Center" on page 58 for instructions). If you need technical assistance, see "Additional information resources" on page 34. 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. 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. 48 ThinkCentre Hardware Maintenance Manual

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•
“The mouse or pointing device does not work” on page 48
•
“The pointer on the screen does not move smoothly with the mouse” on page 48
•
“The wireless keyboard does not work” on page 49
All or some keys on the keyboard do not work
Symptom: All or some keys on the keyboard do not work.
Actions:
•
Verify that the keyboard cable is securely connected to the correct connector on the computer.
•
If you are using an Enhanced Performance USB keyboard and one or more of the Rapid Access buttons
are the only keys that are not working, these buttons might have been disabled or have not been assigned
to a function. Use the help system in the Enhanced Performance Customization Keyboard program to
help diagnose problems with the Rapid Access buttons.
•
On the Windows 7 operating system, do the following:
1. Click
Start
➙
Control Panel
.
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 “Additional
information resources” on page 34 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 61.
If these actions do not correct the problem, run the diagnostic programs (see “Lenovo Solution Center” on
page 58 for instructions). If you need technical assistance, see “Additional information resources” on page 34.
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.
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.
48
ThinkCentre Hardware Maintenance Manual