Compaq Armada 1500 User Manual page 21

You can single- and double-tap the touchpad to select and activate
items. You can also use the buttons and touchpad to click and drag
objects across the screen.
To customize the touchpad functions, go to the mouse utility by
clicking Start, Settings, Control Panel. Then double-click the
mouse utility.
To clean the touchpad, follow these steps:
1. Turn off the computer.
2. Remove the battery pack(s) and disconnect the AC power
cord. Wipe the touchpad gently with a clean, dry cloth.
3. To remove stubborn stains, wipe the touchpad with a damp
cloth moistened with a small amount of dishwashing detergent.