Screw size list
Table 1. Latitude 5490 screw size list
Component
M2x3 (Thin
head)
M2.0x5
M2.0x2.0
M2x6
M2x2.
7
M2.0x2.5
M2.5x3
Base cover
8
Battery
1
Heatsink
4
WLAN
1
SSD card
1
Keyboard
5
Display assembly
4
Display panel
4
Power connector port
2
Palmrest
2
LED board
1
System board
4
Type-C USB bracket
2
Display hinge cover
2
Display hinge
6
Hard drive
4
Chassis frame
5
8
Touchpad panel(button)
2
Smart card module
2
Subscriber Identity Module(SIM) board
Removing the Subscriber Identification Module card
CAUTION:
Removing the SIM card when the computer is on may cause data loss or damage the card. Ensure your computer is
turned off or the network connections are disabled.
1
Insert a paperclip or a SIM card removal tool into the pinhole on the SIM card tray [1].
2
Pull the SIM card tray to remove it [2].
3
Remove the SIM card from the SIM card tray.
Removing and installing components
11