1.Before removing the WLAN card:

Remove the AC power.
Remove the battery.
Remove the hinge cover.
Remove the keyboard.

1.Before removing the LCD:

Remove the AC power.
Remove the battery.
Remove the SIM.
Remove memory DIMM B.
Remove the optical drive.
Remove the hard drive.
Remove the hinge cover.

1.Before removing the LCD:

Remove the AC power.
Remove the battery.
Remove the hinge cover.
Remove the keyboard.

1.Before removing the WWAN card:

Remove the AC power.
Remove the battery.
Remove the hinge cover.
Remove the keyboard.
Remove memory DIMM A.

1.Before removing the memory DIMM A:

Remove the AC power.
Remove the battery.
Remove the hinge cover.
Remove the keyboard. 

1.Before removing the coin-cell battery:

Remove the AC power.
Remove the battery.
Remove the hard drive.
Remove the hinge cover.
Remove the keyboard.

1.Before removing the Bluetooth card:

Remove the AC power.
Remove the battery.
Remove the hinge cover.
Remove the keyboard. 

2.Locate the Bluetooth wireless card.

1.Before removing the keyboard:

Remove the AC power.
Remove the battery.
Remove the hinge cover. 

2.Locate the keyboard.

1. Remove the AC power.
Remove the battery.
2.Locate the hinge cover.