Back to Contents PageMemory ModuleDell™ Vostro™ A840/A860 Service ManualRemoving the Memory Module(s)Replacing the Memory Module(s)You can increase your computer memory by installing memory modules on the system board. See "Specifications" in your Setup Guide for information on thememory supported by your computer. Install only memory modules that are intended for your computer.Your computer has two user-accessible SODIMM sockets that can be accessed from the bottom of the computer.Removing the Memory Module(s)1. Follow the procedures in Before You Begin.2. Remove the module cover (see Module Cover).3. Use your fingertips to carefully spread apart the securing clips on each end of the memory module connector until the module pops up.4. Remove the module from the connector.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 rotate the module down until it clicks into place. If the module does not click into place,remove the module and reinstall it.CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety bestpractices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface(such as a connector on the back of the computer).NOTE: Memory modules purchased from Dell are covered under your computer warranty.NOTICE: If you need to install memory modules in both connectors, first install a memory module in the connector located at the bottom of thecomputer (DIMM 1) before you install a module in the connector directly above it (DIMM 2).NOTICE: If a memory module is installed in the DIMM 2 connector, remove it prior to removing the memory module from the DIMM 1 connector.Failure to do so could result in damaging both memory modules.NOTICE: To prevent damage to the memory module connector, do not use tools to spread the memory module securing clips.1 memory module connector 2 securing clip (2)3 memory module