5Push down the two retaining clips on the ends of the memory socket until the memory module pops out of the socket.

WARNING: Do not pull the memory module out of the socket. Use the retaining clips to eject the module.

6Lift the memory module from the memory socket.

Installing a Memory Module

Upgrade the memory in your PC with memory of the same type and speed as the memory originally installed in your PC.

CAUTION: When handling a memory module, be careful not to touch any of the contacts. Doing so may damage the module.

1Open both latches of the memory module socket:

•If you are replacing a memory module, put the new memory module in the same memory slot from which the old memory was removed.

Or

•If you are adding a memory module, install the new module into the socket nearest the preinstalled module, and install additional modules in the next available sockets.

2The memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket (B). Push the module carefully and firmly into the slot, ensuring that the latches on both ends snap into place.

3Set the chassis upright.

4Complete the procedures to replace the side panel, and close the PC. See “Opening and Closing the PC“ on page 1.

NOTE: If a blank screen is displayed after replacing or adding a memory module, the memory is installed incorrectly or it is the wrong type of memory. Remove and reinstall the memory module.

Removing or Installing an Add-In Card

An add-in card is a circuit board, such as a PCI or an AGP card, that fits into a PC add-in card slot. Your PC contains several add-in card slots that can be used to add components to your PC. The PC component configurations vary by model.

WARNING: Do not overload the system by installing add-in cards that draw excessive current. The system is designed to provide 2 amps (average) of +5 V power for each board/card in the computer. The total +5 V current draw in a fully loaded system (one with all add-in card slots filled) must not exceed the total number of slots multiplied by 2 amps.

A Phillips screwdriver is needed to remove, replace, or add an add-in card.

8Upgrading and Servicing Guide