Table 1. Latitude 7390 - screw size list (continued)
Component
M2.5 x 6
M2 x 5
M2.5 x
3.5
M2 x 3
M2.5 x 4
M2 x 2.5
M2 x 2
Antenna—Infinity
displays(Not Applicable
for HUD assembly)
2
Keyboard support plate
19
Keyboard
5
System board
9
Memory module bracket
1
Subscriber Identification Module (SIM) card
Removing SIM card or SIM card tray
About this task
NOTE:
SIM card or SIM card tray removal is only available on systems that are shipped with WWAN module. Hence,
removing procedure is only applicable for systems that are shipped with WWAN module.
CAUTION:
Removing the SIM card when the computer is On, may cause data loss or damage the card. Ensure
that your computer is turned off or the network connections are disabled.
Steps
1. Insert a paperclip or a SIM card removal tool into the pinhole on the SIM card tray [1].
2. Use a scribe to pull the SIM card tray [2].
3. Remove the SIM card, if a SIM card is available from the SIM card tray.
NOTE:
For Latitude 7390 , the SD memory card must be removed before replacing any system components. Failure to
remove the SD memory card before the disassembly of other components may result in damage to the system
12
Removing and installing components
