- Do not touch the terminals of the DIMM. Clean with alcohol if you touched the terminals.
 
- Remove the left cover.
 Lay down the machine.
- Lift the CPU fan bracket. (
 x 1) Open both sides of the lever, and pull out the DIMMs (×4) [A] from the sockets.
- When installing, gently slide the DIMM straight down into the socket and push it into the slot. Make sure that the levers close securely around the ends of the DIMM.
 - DIMMs fit in the socket only one way.