Back to Contents PageBefore You BeginDell™ Inspiron™ 5160 Systems 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.CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.NOTICE: 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 processor by its edges, not by its pins.NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is notcovered by your warranty.NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of yourcomputer's electronic components. You can do so by touching an unpainted metal surface.NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector withlocking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keepthem evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented andaligned.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, remove the main battery before you service the computer.1 battery2 battery-bay latch release