Table 1. Screw size list (continued)
Component
M2x2
M2x3
M2x4
M2.5x2.5
M2.5x5
M2x5.5
M3x3
2.0D 0.8+2.2L K
Battery to palmrest
5
WLAN module to System board
1
WWAN module to WWAN board
1
SSD to palmrest
1
FP bracket to palmrest
1
SIM tray – optional
SIM tray is an optional component. You will see a SIM tray only in systems shipped with a WWAN card.
Removing the SIM tray – WWAN models
1. Follow the procedure
Before working inside your computer
2. Open the SIM card slot cover on the right side of the system.
3. Insert the tip of a paperclip into the hole of the SIM tray slot and then pull out and remove the SIM tray.
Installing the SIM tray – WWAN models
1. Align and push the SIM tray back into the SIM tray slot.
2. Close the SIM card slot cover.
3. Follow the procedure in
After working inside your computer
12
Disassembly and reassembly