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Replacing memory
To replace the SO-DIMM, do the following:
1. Enter ThinkPad Setup to stop battery discharge. Refer to Before replacing CRU for detailed instruction.
2. Close the computer display, and turn the computer over.
3. Remove the keyboard. For more details, refer to Replacing the keyboard.
4. If the SO-DIMM is already in the memory slot, press out on the latches on both edges of the socket
at the same time 1 , then remove the SO-DIMM to make room for the new one 2 . Be sure to save
it for future use.
5. Find the notch on the contact edge side of the SO-DIMM you are installing.
Attention: To avoid damaging the SO-DIMM, do not touch its contact edge.
6. With the notched end of the SO-DIMM toward the contact edge side of the socket, insert the SO-DIMM
1 into the socket and press it in rmly. Then pivot the SO-DIMM downward until it snaps into place 2 .
Note: Insert the SO-DIMM into the socket at an angle of about 20 degrees.
7. Make sure that the SO-DIMM is rmly xed in the slot and cannot be moved easily.
8. Reinstall the keyboard. For more details, refer to Replacing the keyboard.
9. Turn the computer over again. Connect the ac power adapter and cables to the computer.
78 User Guide