Table 13. Removal steps of DIMM (bottom slot) (continued)
For ThinkPad W520:
ab
1
2
1
Note: If only one DIMM is used on the computer you are servicing, the card must be installed in 
, but not in
When installing: Insert the notched end of the DIMM into the socket. Press the DIMM firmly, and pivot it until it snaps into the place. Make sure that it is firmly fixed in the slot and does not move easily.
1050 Hard disk drive slot cover, hard disk drive (HDD) and HDD rubber rails or solid state drive (SSD) and storage converter
For access, remove this FRU:
• 1010 Battery pack
Attention:
•Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data.
•Before removing the drive, have the user make a backup copy of all the information on it if possible.
•Never remove the drive while the system is operating or is in suspend mode.
Chapter 9. Removing and replacing a FRU 65
