Dell PowerEdge R340 EMC PowerEdge R340 Installation and Service Manual - Page 89

System board, Removing the system board

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Figure 73. Installing the power distribution board Next steps 1. Install the power supply units. 2. Follow the procedure listed in After working inside your system. System board Removing the system board Prerequisites 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 drives. 1. Follow the safety guidelines listed in Safety instructions. 2. Follow the procedure listed in Before working inside your system. 3. Remove the following components: a. Air shroud b. Memory modules c. Disconnect the fan cables d. Expansion card riser e. If applicable, storage controller card f. Heat sink and processor CAUTION: To prevent damage to the processor socket when replacing a faulty system board, ensure that you cover the processor socket with the processor dust cover. g. Internal USB, if installed h. If applicable, Internal Dual SD module i. Disconnect all the cables from the system board. CAUTION: Take care not to damage the system identification button while removing the system board from the system. Steps 1. Using a Phillips #2 screwdriver, remove the screws securing the system board to the chassis. Installing and removing system components 89

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Figure 73. Installing the power distribution board
Next steps
1.
Install the power supply units
.
2.
Follow the procedure listed in
After working inside your system
.
System board
Removing the system board
Prerequisites
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 drives.
1.
Follow the safety guidelines listed in
Safety instructions
.
2.
Follow the procedure listed in
Before working inside your system
.
3.
Remove the following components:
a.
Air shroud
b.
Memory modules
c.
Disconnect the fan cables
d.
Expansion card riser
e.
If applicable,
storage controller card
f.
Heat sink and processor
CAUTION:
To prevent damage to the processor socket when replacing a faulty system board, ensure that you
cover the processor socket with the processor dust cover.
g.
Internal USB
, if installed
h.
If applicable,
Internal Dual SD module
i.
Disconnect all the cables from the system board.
CAUTION:
Take care not to damage the system identification button while removing the system board from the system.
Steps
1.
Using a Phillips #2 screwdriver, remove the screws securing the system board to the chassis.
Installing and removing system components
89