Before You Begin: Dell Inspiron 1100, 5100, and 5150 Service ManualBack to Contents PageBefore You BeginDell™ Inspiron™ 1100, 5100, and 5150 Service ManualPreparing to Work Inside the ComputerRecommended ToolsComputer OrientationScrew IdentificationPreparing to Work Inside the ComputerCAUTION: Only a certified service technician should perform repairs on yourcomputer. Damage due to servicing that is not authorized by Dell is not covered byyour warranty. Read and follow the safety instructions in the Owner's Manual thatcame with the computer.CAUTION: To prevent static damage to components inside your computer, dischargestatic electricity from your body before you touch any of your computer's electroniccomponents. You can do so by touching an unpainted metal surface.CAUTION: Handle components and cards with care. Do not touch the components orcontacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold acomponent such as a microprocessor by its edges, not by its pins.NOTICE: To avoid damaging the computer, perform the following steps before you beginworking inside the computer.1. Ensure that the work surface is flat and clean to prevent scratching the computer cover.2. Save any work in progress and exit all open programs.3. Turn off the computer and all attached devices.NOTE: Ensure that the computer is off and not in a power management mode. If you cannotshut down the computer using the computer operating system, press and hold the power buttonfor 4 seconds.4. Disconnect the computer from the electrical outlet.5. Close the display and turn the computer upside down on a flat work surface.file:///I|/SERVICE%20MANUALS/DELL%20MANUALS/L...100%205150/1100%205100%205150%20SM/beginb.htm (1 of 6)6/21/2004 12:38:27 AM