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Follow the instructions in Before You Begin. 2. Turn the computer upside-down. 3. Loosen the two captive screws on the memory module/modem cover and remove the cover. 4. Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector until the module pops up. 5. Remove the module from the connector at a 45-degree angle. CAUTION: Before you begin the following procedure, follow the safety instructions in the Product Information Guide. NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface. NOTICE: To help prevent damage to the system board, you must remove the main battery (see Before Working Inside Your Computer) before you begin working inside the computer. NOTE: Memory modules purchased from Dell are covered under your computer warranty. NOTE: To get maximum performance/dual-channel memory bandwidth capability, both memory module connectors must contain memory modules and the modules must be of the same size and configuration. 1 captive screws (2) 2 memory module/modem cover NOTICE: To prevent damage to the memory module connector, do not use tools to spread the securing clips that secure the memory module. NOTICE: Handle memory modules by their edges, and do not touch the components on a module. Replacing the Memory Module(s) 1. Align the notch in the module edge connector with the tab in the connector slot. 2. Slide the module firmly into the slot at a 45-degree angle, and lower the module until it clicks into place. If you do not feel the click, remove the module and reinstall it. 3. Replace the memory module/modem cover and tighten the captive screws. 4. Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet. 5. Turn on the computer. As the computer boots, it detects the additional memory and automatically updates the system configuration information. Back to Contents Page 1 memory module 2 securing clips (2) NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface. NOTE: To get maximum performance/dual-channel memory bandwidth capability, both memory module connectors must contain memory modules and the modules must be of the same size and configuration. NOTE: If a memory module is not installed properly, the computer does not boot. NOTICE: If the memory module/modem cover is difficult to close, remove the module and reinstall it. Forcing the cover to close may damage your computer. Back to Contents Page Modem Dell™ Latitude™ 131L Service Manual Removing the Modem Replacing the Modem Removing the Modem 1. Follow the instructions in Before You Begin. 2. Turn the computer upside-down, loosen the two captive screws on the memory module/modem cover, and remove the cover from the computer. 3. Remove the M2 x 3-mm screw that attaches the modem to the system board. 4. Pull up on the pull-tab to disconnect the modem from the modem connector on the system board. 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: To help prevent damage to the system board, you must remove the main battery (see Before Working Inside Your Computer) before you begin working inside the computer. 1 captive screws (2) 2 memory module/modem cover 1 modem screw 2 modem pull-tab 3 modem connector on system board 4 modem 5 modem cable 5. Disconnect the modem cable from the modem. Replacing the Modem 1. Connect the modem cable to the modem. 2. Align the connector on the bottom of the modem with the modem connector on the system board, and press down on the right side of the modem. 3. Replace the M2 x 3-mm screw. Back to Contents Page NOTICE: Do not disconnect the modem cable from the system board. NOTICE: Ensure that the modem cable is routed correctly when you replace the modem. Back to Contents Page Optical Drive Dell™ Latitude™ 131L Service Manual Removing an Optical Drive Replacing an Optical Drive Your computer ships with a fixed optical drive installed. Removing an Optical Drive 1. Follow the instructions in Before You Begin. 2. On the bottom of the computer, remove the M2.5 x 8-mm device security screw labeled with a lock icon ( ). 3. Insert a screwdriver into the indentation for the device security screw, and push the notch on the metal tab toward the media bay to release the optical drive from the media bay. 4. Pull the drive out of the media bay. Replacing an Optical Drive 1. Slide the optical drive into the media bay. 2. Replace the de...