Lenovo USB Laser Mouse User Manual page 27

v Be sure you are not running Windows NT. This operating system does not support USB connectivity
for this device.
v If you are using Windows 2000, make sure that all the USB switches in the BIOS are enabled.
To check whether all the USB connectors are enabled, do the following:
– Access your computer Setup program during startup. Press F1, F2, or the Delete Key during startup.
If you are unsure how to access the Setup program for your computer, see the documentation that
came with your computer, or contact the manufacturer.
– Check the USB connectors in the setup program to sure that all USB connectors are functioning
properly.
If you are not sure how to use the Setup program for your computer, refer to the documentation
that came with your computer, or contact the manufacturer.
USB (Universal Serial BUS) Controller Re-detection
The USB (Universal Serial BUS) Controller might not be properly installed in your computer.
1. Double-click My Computer.
2. Double-click Control Panel.
3. Double-click System.
4. Using the left mouse button, click the Device Driver tab.
5. Scroll down until you find Universal Serial Bus Controllers. Then using the left mouse button click
the plus (+) sign to change it to a minus (-) sign.
6. Using the left mouse button, click the Remove button located on the lower right-hand corner of the
device manager. A Warning you are about to remove this device from your system window opens.
7. Click OK.
8. Click the Refresh button so Windows is forced to re-detect the hardware.
This procedure detects both the USB Host Controller and the USB Root Hub. You might be asked to
insert the Microsoft Windows installation CD.
Caring for the mouse
Always disconnect the mouse before cleaning. Keep beverages away from the mouse working area and
avoid any spills. The maintenance of your USB Optical Wheel Mouse will ensure longer life, and will
minimize the chances of causing damage to your mouse and computer. There are no user serviceable
parts.
Chapter 5. USB Optical Wheel Mouse
5-3