Before You Begin 119• In the Microsoft Windows XP operating system, right-click the My Computer icon on your desktop.Click Properties→ General.• In the Microsoft Windows Vista operating system, click the Windows Vista Start button → Helpand Support→ Computer Information.Mini-CardIf you ordered a Mini-Card with your computer, the card is already installed.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in theProduct Information Guide.NOTICE: To prevent damage to the system board, remove the main battery before you service the computer.NOTE: Depending on your system, the Mini-Card may be located under the keyboard or under a cover on thebottom of your system.1 Follow the procedures in "Before You Begin" on page 109.2 Remove hinge cover (see "Hinge Cover" on page 113) and keyboard (see "Keyboard" on page 122).3 Ground yourself by touching one of the metal connectors on the back of the computer.NOTE: If you leave the area, ground yourself again when you return to the computer.4 If a Mini-Card is not already installed, go to step 5. If you are replacing a Mini-Card, remove theexisting card:a Disconnect the cables from the card.NOTE: Depending on the type of Mini-Card you have, not all cables may be in use.