HP ProDesk 400 G4 Base Model Desktop Mini PC User Manual download pdf (Page 42)

Processor

For a list of available processors, see Computer major components on page 3.

1. Prepare the computer for disassembly (Preparation for disassembly on page 15).

2. Remove the access panel (Access panel on page 16).

3. Remove the fan (Fan on page 31).

4. Remove the heat sink (Heat sink on page 32).

5. Unlatch the locking lever from the side of the processor socket (1).

6. Rotate the locking lever to its fully open position (2).

7. Raise and rotate the microprocessor retainer to its fully open position (3).

8. Lift the processor straight up to remove it (4).

CAUTION: Do NOT handle the pins in the processor socket. These pins are very fragile and handling

them could cause irreparable damage. Once pins are damaged it may be necessary to replace the

system board.

Reverse the removal procedure to install a new processor.

NOTE: After installing a new processor onto the system board, update the system ROM to ensure that the

latest version of the BIOS is being used on the computer. The latest system BIOS can be found on the Web at:

http://h18000.www1.hp.com/support/les.

34 Chapter 4 Removal and replacement procedures

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HP ProDesk 400 G4 Base Model Desktop Mini PC User Manual Page 42