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Removing the system board
Prerequisites
NOTE: This is a Field Replaceable Unit (FRU). Removal and installation procedures should be
performed only by Dell certified service technicians.
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
CAUTION: If you are using the Trusted Platform Module (TPM) with an encryption key, you may
be prompted to create a recovery key during program or System Setup. Be sure to create and
safely store this recovery key. If you replace this system board, you must supply the recovery key
when you restart your system or program before you can access the encrypted data on your hard
drives.
CAUTION: Do not attempt to remove the Trusted Platform Module (TPM) from the system board.
Once the TPM is installed, it is cryptographically bound to that specific system board. Any
attempt to remove an installed TPM breaks the cryptographic binding, and it cannot be re-
installed or installed on another system board.
1. Ensure that you read the Safety instructions.
2. Follow the procedure listed in Before working inside your system.
3. Keep the Philips #2 screwdriver ready.
4. Remove the following components:
a. PCIe shroud. See Removing the PCIe shroud
b. Expansion card riser. See Removing the expansion card riser
c. PSU(s). See Removing an AC power supply unit
d. 2.5 inch hard drive cage, if applicable. See Removing the optional 2.5 inch hard drive cage
e. Internal dual SD module. See Removing the internal dual SD module
f. 1.8 inch SSD cage with backplane. See Removing the 1.8 inch uSATA SSD cage, Removing the
1.8 inch uSATA SSD backplane
g. Internal USB key (if installed). See Replacing the internal USB key
h. Cooling shroud. See Removing the cooling shroud
i. Heat sink(s). See Removing a heat sink
j. Processor(s)/processor blank. See Removing a processor, Removing a processor blank
CAUTION: To prevent damage to the processor pins when replacing a faulty system
board, ensure that you cover the processor socket with the processor protective cap.
k. Memory modules and memory module blanks. See Removing memory modules
l. Cable routing clip. See Removing the cable routing clip
5. Disconnect all cables from the system board.
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