Table 1. Latitude 7490 - Screw size list (continued)
Component M2.5x 6.0 M2.5x5.0 M2.0 x 5.0
M2.5 x
4.0
M2.0x3.0 M2.0 x 2.5 M2.0 x 2.0
Solid State drive 1
Heat sink and fan 2 4
WWAN card 1
WLAN card 1
Power connector port 1
ESD bracket 2
EDP bracket 1
Touchpad buttons 2
Fingerprint reader 1
LED board 1
Smart card reader cage 2
Display hinge 6
Display panel 4
Keyboard support plate 18
Keyboard 5
System board 3
USB Type C bracket 2
Thermal module 4
DC In bracket 1
K-Lock bracket 1
Subscriber identification module card
Removing SIM card or SIM card tray
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 with the system is turned On, may cause data loss or damage to the card.
Ensure that your system 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.
2. Use a scribe to pull the SIM card tray.
3. If a SIM card is available, remove the SIM card from the SIM card tray.
Removing and installing components 11
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