Dell EMC PowerEdge R7525, Installation And Service Manual, Page: 166 / 209

2. On the System Setup Main Menu screen, click System BIOS > System Security Settings .
3. From the TPM Security option, select On .
4. Save the settings.
5. Restart 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 the Safety instructions on page 46.
2. Follow the procedure listed in the Before working inside your system on page 47.
3. Remove the following components:
a. Air shroud (if installed) .
b. Cooling fan cage assembly .
c. Heat sink .
d. Processor .
e. Memory modules .
f. Expansion card risers .
g. IDSDM module (if installed) .
h. Internal USB card (if installed) .
i. OCP card (if installed) .
j. Power supply units (PSU) .
k. Rear drive cage .
l. Disconnect all 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 the Phillips #2 screwdriver remove the screws that secure the system board to the chassis
166 Installing and removing system components