To install a new cap, align the square at the bottom of the cap with the pointing stick and push down until the cap seats into position.
Displaying the USB TrackPoint icon
For easy access to the TrackPoint properties, you can display the USB TrackPoint icon 
in the lower right corner of your computer screen by doing the following:
vIf you are using the Windows XP or Windows Vista operating system, do the following:
1.Click Start → Control panel or Start → Settings → Control panel.
2.Depending on your Control Panel mode, do one of the following:
–Click Mouse.
–
–Click Printers and Other Hardware, and then click Mouse.
The Mouse Properties window opens.
3.Click the USB TrackPoint tab.
4.Select Show TrackPoint icon on the system tray.
5.Click Apply, and then click OK.
v If you are using the Microsoft Windows 7 operating system, do the following:
1.Click Start → Control panel.
2.Click Mouse.The Mouse Properties window opens.
3.Click the USB TrackPoint tab.
4.Select Show TrackPoint icon on the system tray.
5.Click Apply, and then click OK.
6.Click Show hidden icons icon in the lower right corner of your computer screen.
7.Click Customize.
8.In the "Select which icons and notifications appear on the taskbar" window, select show icon and notifications in the USB TrackPoint area.
You can now easily change the properties of the TrackPoint by clicking the USB TrackPoint icon.
To remove the USB TrackPoint icon from the lower right corner of your computer screen, do the following:
1.
2.Select Remove USB TrackPoint icon from system tray. The icon will disappear.
Changing the pointing stick sensitivity
When you are using the pointing stick, you might prefer to use a light touch, or you might want to apply more pressure. You can change the way the pointing stick responds to your touch by doing the following:
1.Click the USB TrackPoint icon.
2.Select TrackPoint Properties.
3.Click the USB TrackPoint tab.
4.In the TrackPoint Stick area, move the slider toward Firm Touch or Light Touch according to your preference.
5.Click Apply. While the Mouse Properties window is still open, test how the pointing stick responds to your new setting and make adjustments if necessary.
6.Click OK to apply the setting.