Lenovo M490s notebook - Manual (Page 47)

6. Find the notch on the contact edge side of the memory module you are installing. With the notched end
of the memory module toward the contact edge side of the socket, insert the memory module into the
socket at an angle of about 20 degrees
6 ; then press it in firmly 7 .
6
7
Attention: To avoid damaging the memory module, do not touch its contact edge.
Note: If only one memory module is to be installed, install it in the bottom slot.
7. Pivot the memory module downward until it snaps into place.
8. Make sure that the memory module is firmly installed in the slot and cannot be moved easily.
9. Reinstall the computer cover, and then reinstall the screws to secure the cover.
10. Reinstall the battery. See “Replacing the battery” on page 27.
11. Turn the computer over again. Connect the ac power adapter and all cables.
Replacing the PCI Express Mini Card for wireless LAN/WiMAX
connection
Before you start, print these instructions.
Your computer has a PCI Express Mini Card slot for connection to a wireless LAN/WiMAX. To replace the PCI
Express Mini Card, read the following prerequisites.
Prerequisites for the procedure
DANGER
During electrical storms, do not connect the cable to or disconnect it from the telephone outlet
on the wall.
DANGER
Electric current from power, telephone, and communication cables is hazardous. To avoid shock
hazard, disconnect the cables before opening the cover of this slot.
Attention: Before you start installing a PCI Express Mini Card, touch a metal table or a grounded metal
object. This action reduces any static electricity from your body. The static electricity could damage the card.
Chapter 6 . Replacing devices 33