Processor
For a list of available processors, see Illustrated parts catalog on page 6.
1. Prepare the computer for disassembly (see Preparing to disassemble the computer on page 19).
2. Remove the stand (see Stand on page 19).
3. Remove the rear port cover (see Rear port cover on page 24).
4. Remove the fan (see Fan assembly on page 36).
5. Remove the heat sink (see Heat sink on page 37).
6. Rotate the locking lever to its full open position (1).
7. Raise and rotate the microprocessor retainer to its fully open position (2), and then carefully lift the
processor from the socket (3).
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.
The heat sink must be installed within 24 hours of installing the processor to prevent damage to the
processor’s solder connections.
NOTE: After installing a new processor onto the system board, always 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.
Processor 39
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