Lenovo B480 User Manual page 60

Note: If you install a memory module in only one of the two memory slots, install it in the bottom slot.
8. Pivot the memory module downward until it snaps into place.
9. Make sure that the memory module is firmly installed in the slot and cannot be moved easily.
10. Reinstall the computer cover, and then reinstall the screws to secure the cover.
11. Reinstall the battery. See "Replacing the battery" on page 31.
12. Turn the computer over again. Connect the ac power adapter and all cables.
Lenovo B580
To replace a memory module, do the following:
1. Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait
three to five minutes to let the computer cool.
2. Close the computer display, and turn the computer over.
3. Remove the battery. See "Replacing the battery" on page 31.
4. Remove the screws
5. If two memory modules are already in the memory slots, press out on the latches on both edges of
the socket at the same time
Save the removed memory module for future use.
6. Find the notch on the contact edge side of the memory module you are installing.
Attention: To avoid damaging the memory module, do not touch its contact edge.
7. With the notched end of the memory module toward the contact edge side of the socket, insert the
5
memory module
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User Guide
1 , and then remove the cover
1 , and then remove a memory module to make room for the new one.
into the socket at an angle of about 20 degrees; then press it in firmly.
2 .