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3. Insert a plastic scribe into the notch beneath the edge of the battery latch assembly, and then carefully pry the latch assembly loose. 4. Slightly lift the battery latch assembly, and then slide the assembly forward out of the base of the computer. 5. Press the tabs on the battery release button together, and then push the tabs through the base of the computer to remove the button. Replacing the Battery Latch Assembly 1. Align the tabs on the battery release button with the hole in the base of the computer, then push the tabs into the hole until they snap into place. CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer. NOTICE: The battery latch spring is not secured to the latch assembly and can be easily misplaced. When removing the battery latch assembly, place the spring in a secure location until the latch is ready to be reinstalled. 1 computer base 2 spring 3 battery latch assembly 4 battery release button NOTICE: Before you remove the battery release button, observe the orientation of the button to ensure proper installation when the button is replaced. CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface, such as the back panel on the computer. NOTICE: Ensure the battery release button is properly oriented before installing the battery latch assembly. 2. Place the battery latch spring onto the guide post on the battery latch assembly. 3. With the battery latch assembly slightly elevated, align the slot in the latch assembly with the guide posts on the base of the computer. 4. Adjust the battery latch spring, as needed, then press the latch assembly into place. 5. Align the tabs on the battery release button with the hole in the battery latch assembly. 6. Apply pressure to the battery latch assembly, then simultaneously, apply pressure to the battery release button until the tabs on the button push through the hole on the latch assembly and snap into place. 7. Replace the computer base (see Replacing the Computer Base). Back to Contents Page NOTE: Ensure that the tabs on the battery latch assembly are behind the retention tabs on the base of the computer. 1 retention tabs 2 guide post (2) 3 battery-latch assembly slot 4 battery-latch assembly hole 5 battery-release button tabs Back to Contents Page Before You Begin Dell™ Latitude™ D531 Service Manual Recommended Tools Before Working Inside Your Computer This section provides procedures for removing and installing the components in your computer. Unless otherwise noted, each procedure assumes that the following conditions exist: l You have performed the steps in Before Working Inside Your Computer. l You have read the safety information in the Dell Product Information Guide. l A component can be replaced or—if purchased separately—installed by performing the removal procedure in reverse order. Recommended Tools The procedures in this document may require the following tools: l Small flat-blade screwdriver l Phillips screwdriver l Small plastic scribe l 5-mm Hex-nut driver l Flash BIOS update program CD Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety. 1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched. 2. Save and close any open files, exit any open programs, then shut down the operating system and turn off all attached devices: Windows Vista: Click Start , click the arrow icon, and then click Shut Down. Windows XP: Start® Shut Down® Shut down. The computer turns off after the operating system shutdown process finishes. 3. Disconnect your computer and all attached devices from their electrical outlets. 4. Disconnect all external cables from the computer. 5. Close the display and turn the computer upside down on a flat work surface. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. 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 metal mounting bracket. Hold a component, such as a processor, by its edges, not by its pins. NOTICE: When disconnecting a cable, pull on the cable's connector or on its strain-relief loop, not on the cable itself. Some cables have connectors with locking tabs; before disconnec...