NOTE: It is recommended to always use the traditional wired ESD grounding wrist strap and protective anti-static mat
when servicing Dell products. In addition, it is critical to keep sensitive parts separate from all insulator parts while servicing
the computer, and use anti-static bags for transporting sensitive components.
Transporting sensitive components
When transporting ESD sensitive components such as replacement parts or parts to be returned to Dell, it is critical to place
these parts in anti-static bags for safe transport.
After working inside your computer
About this task
CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer.
Steps
1. Replace all screws and ensure that no stray screws remain inside your computer.
2. Connect any external devices, peripherals, or cables you removed before working on your computer.
3. Replace any media cards, discs, or any other parts that you removed before working on your computer.
4. Connect your computer and all attached devices to their electrical outlets.
5. Turn on your computer.
BitLocker
CAUTION:
If BitLocker is not suspended before updating the BIOS, the Bitlocker key is not recognized the next
time you reboot the computer. You will then be prompted to enter the recovery key to progress, and the system
displays a prompt for the recovery key on each reboot. If the recovery key is not known, this can result in data
loss or an operating system reinstall. For more information, 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
● Torx #5 (T5) screwdriver
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 depending on the configuration ordered.
Working inside your computer 29
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