Lenovo ThinkPad T430i (English) User Guide - Page 45
Using the UltraNav pointing device and an external mouse - disable touchpad
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Using the UltraNav pointing device and an external mouse If you attach an external mouse to a USB connector, you can use the external mouse simultaneously with the TrackPoint pointing device and the touch pad. Disabling the TrackPoint pointing device or the touch pad To disable the TrackPoint pointing device or the touch pad, do the following: 1. Click Start ➙ Control Panel ➙ Hardware and Sound ➙ Mouse ➙ UltraNav. 2. To disable the TrackPoint pointing device, clear the check box for Enable TrackPoint. To disable the touch pad, clear the check box for Enable TouchPad. 3. Click OK. Adding the UltraNav icon to the Windows notification area For easy access to the UltraNav properties, you can enable the display of the UltraNav icon in the Windows notification area. To enable the display of the UltraNav icon in the Windows notification area, do the following: 1. Click Start ➙ Control Panel ➙ Hardware and Sound ➙ Mouse. 2. In the Mouse Properties window, click the UltraNav tab. 3. Select the check box for Show UltraNav icon on the system tray. 4. Click OK. You can now change the properties of the UltraNav pointing device by clicking the UltraNav icon in the Windows notification area. Note: If you are using the Windows 7 operating system, click the triangular icon on the taskbar to show hidden icons. Power management When you need to use your computer away from electrical outlets, you depend on battery power to keep your computer running. Different computer components consume power at different rates. The more you use the power-intensive components, the faster you consume battery power. Checking the battery status The Power Manager battery gauge on the taskbar displays the percentage of battery power remaining. The rate at which you use battery power will determine how long you can use the battery of your computer between charges. Because each computer user has different habits and needs, it is difficult to predict how long a battery charge will last. There are two main factors: • How much energy is stored in the battery when you begin to work. • The way you use your computer. For example: - How often you access the hard disk drive. - How bright you make the computer display. - How often you use the wireless features. Using the ac power adapter The power to run your computer can come either from the lithium-ion (Li-ion) battery pack provided with it, or from ac power through the ac power adapter. While you use ac power, the battery charges automatically. Chapter 2. Using your computer 27