system will ask for the recovery key on each reboot. If the recovery key is not known, this can result in data loss
or an unnecessary operating system reinstall. For more information about this subject, see Knowledge Article:
updating the BIOS on Dell systems with BitLocker enabled.
The installation of the following components triggers BitLocker:
● Hard disk drive or solid-state drive
● System board
Recommended tools
The procedures in this document may require the following tools:
● Phillips screwdriver #0/#1
● Plastic scribe
Screw list
NOTE: When removing screws from a component, it is recommended to note the screw type, and the quantity of screws,
and then place them in a screw storage box. This is to ensure that the correct number of screws and correct screw type is
restored when the component is replaced.
NOTE: Some computers have magnetic surfaces. Ensure that the screws are not left attached to such surfaces when
replacing a component.
NOTE: Screw color may vary with the configuration ordered.
Table 37. Screw list
Component Screw type Quantity Screw image
Battery M2x4 (captive screw)
5
Wireless card M2x3
1
5G WWAN bracket M2x3
1
5G WWAN thermal shield M2x3
2
M.2 2230 solid state drive in
Slot 1 and Slot 2
M2x3
1
Solid state drive thermal shield
in Slot 2
M2x3
2
Assembly-inner frame M2x3
12
Touchpad M2x2.5
5
System fan M2x4
2
Heat sink M2x4
1
44 Working inside your computer
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