8. Align the memory module's edge connector with the alignment key on the memory module socket, and insert the memory module in the socket.9. Press down on the memory module with your thumbs while pulling up on the ejectors with your index fingers to lock the memory module into the socket.When the memory module is properly seated in the socket, the ejectors on the memory module socket align with the ejectors on the other sockets thathave memory modules installed.10. Repeat step 6 through step 9 of this procedure to install the remaining memory modules. See Table 6-1 for sample memory configurations.11. Install the cooling shroud. See "Installing the Cooling Shroud."12. Install the cover. See "Replacing the Cover" in "Troubleshooting Your System."13. Stand the system upright.14. Install the bezel. See "Installing the Bezel" in "Troubleshooting Your System."15. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.16. (Optional) Press to enter the System Setup program, and check the System Memory setting on the main System Setup screen.The system should have already changed the value to reflect the newly installed memory.17. If the value is incorrect, one or more of the memory modules may not be installed properly. Repeat step 1 through step 16 of this procedure, checking toensure that the memory modules are firmly seated in their sockets.18. Run the system memory test in the system diagnostics. See "Running the System Diagnostics."Removing Memory Modules1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.2. Remove the bezel. See "Removing the Bezel" in "Troubleshooting Your System."3. Lay the system on its right side.4. Remove the cover. See "Removing the Cover" in "Troubleshooting Your System."5. Remove the cooling shroud. See "Removing the Cooling Shroud."6. Locate the memory module sockets. See Figure A-3.7. Press down and out on the ejectors on each end of the socket until the memory module pops out of the socket. See Figure 6-8.8. Install the cooling shroud. See "Installing the Cooling Shroud."NOTE: The memory module socket has an alignment key that allows you to install the memory module in the socket in only one way.CAUTION: See your Product Information Guide for complete information about safety precautions, working inside the computer, and protectingagainst electrostatic discharge.