Problems With The Keyboard Or Mouse - Lenovo THINKCENTRE M79 User Manual
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Also See for THINKCENTRE M79:
- Hardware maintenance manual (186 pages) ,
- User manual (154 pages) ,
- Safety, warranty, and setup manual (2 pages)
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• Ensure that the hard disk drive your computer starts from is listed as the first startup device in the Setup
Utility program. Refer to "Selecting a startup device" on page 38.
Note: In rare cases, the hard disk drive with the operating system might get corrupted or damaged. In such
cases, you might need to replace the hard disk drive. Refer to "Replacing the hard disk drive" on page 87.
If these actions do not correct the problem, run the diagnostic program Lenovo Solution Center. See
"Lenovo Solution Center" on page 59.
Problems with the keyboard or mouse
This section provides solutions to keyboard-related and mouse-related problems.
Keys on the keyboard do not work
Solutions:
• Connect the keyboard cable to a USB connector or PS/2 keyboard connector.
• If you are using a USB keyboard, enable the USB connectors in the BIOS settings. For more information,
see "Enabling or disabling a device" on page 37.
• If you are using an Enhanced Performance USB keyboard, use the help system in the Enhanced
Performance Customization Keyboard program to help diagnose problems.
To open the Enhanced Performance Customization Keyboard program, do one of the following:
– On Windows 7:
1. Click Start ➙ Control Panel.
2. Click Hardware and Sound.
3. Click Devices and Printers.
4. Double-click USB Enhanced Performance Keyboard.
– On Windows 8.1:
1. Open Control Panel. For more information, see "Accessing Control Panel on the Windows 8.1
operating system" on page 21.
2. Click Hardware and Sound.
3. Click Devices and Printers.
4. Double-click USB Enhanced Performance Keyboard.
The mouse does not work
Solutions:
• Connect the mouse cable to a USB connector or PS/2 mouse connector.
Note: Depending on your keyboard, integrated USB connectors might be available to be used to
connect a USB mouse.
• Install the device drivers for the mouse.
• If you are using a USB mouse, enable the USB connectors in the BIOS settings. For more information,
see "Enabling or disabling a device" on page 37.
The pointer on the screen does not move smoothly with the mouse
Solution: Clean the mouse. For more information, see "Optical mouse" on page 44.
The fingerprint reader on the keyboard does not work
Solutions:
52
ThinkCentre M79 User Guide
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Troubleshooting
