4 Upgrading your computer602 Locate the DDR DIMM socket on the mainboard.3 Press the holding clips on both sides of the DDR DIMM socketoutward to release the DDR DIMM (a). Gently pull the DDR DIMMout of the socket (b).To install a DDR DIMM1 Locate the DDR DIMM socket on the mainboard.2 Align the DDR DIMM with the socket (a). Press the DDR DIMM intothe socket until the clips lock onto the DDR DIMM (b).Note: The DDR DIMM sockets are slotted to ensure properinstallation. If you insert a DDR DIMM but it does not fit easilyinto the socket, you may have inserted it incorrectly. Turn the DDRDIMM around and try to insert it again.