Processor
1. Prepare the computer for disassembly (see Preparing to disassemble the computer on page 25).
2. Remove the rear covers (see
Removing the rear covers from the computer on page 26).
3. Separate the computer from the column (see
Separating the computer from the column on page 35).
4. Remove the system board cover (see
System board cover on page 47).
5. Remove the heat sink (see
Heat sink on page 60).
6. Rotate the locking lever to its full open position (1).
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.
7. Raise and rotate the microprocessor retainer to its fully open position (2).
8. Lift the processor (3) straight up and remove it.
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://www.hp.com.
62 Chapter 4 Removal and Replacement Procedures – Computer ENWW
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