Back to Contents PageBefore You BeginDell™ Inspiron™ 1100, 5100, and 5150 Service ManualPreparing to Work Inside the ComputerRecommended ToolsComputer OrientationScrew IdentificationPreparing to Work Inside the Computer1. 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.4. Disconnect the computer from the electrical outlet.5. Close the display and turn the computer upside down on a flat work surface.6. Slide and hold the battery-bay latch release on the bottom of the computer, and then remove the battery from the bay.7. To avoid possible damage to the system board, wait 10 to 20 seconds and then disconnect any attached devices.CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell isnot covered by your warranty. Read and follow the safety instructions in the Owner's Manual that came with the computer.CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any ofyour computer's electronic components. You can do so by touching an unpainted metal surface.CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metalmounting bracket. Hold a component such as a microprocessor by its edges, not by its pins.NOTICE: To avoid damaging the computer, perform the following steps before you begin working inside the computer.NOTE: Ensure that the computer is off and not in a power management mode. If you cannot shut down the computer using the computer operatingsystem, press and hold the power button for 4 seconds.NOTICE: To avoid damaging the system board, you must remove the main battery before you service the computer.1 battery2 battery-bay latch release