HP Pro 4300 manual Processor, Remove the heat sink see Heat Sink Thermal Module on

Processor

1.Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33).

2.Remove the center access panel (see Hinge Cover Panel on page 34).

3.Remove the memory access panel (see Memory Access Panel on page 36).

4.Remove the drive access panel (see Drive Access Panel on page 38).

5.Remove the heat sink cover (see Heat Sink Cover on page 52).

6.Remove the heat sink (see Heat Sink (Thermal Module) on page 54).

7.Rotate the locking lever to its full open position (1).

8.Raise and rotate the microprocessor retainer to its fully open position (2).

9.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.

Figure 6-35Removing the processor

To install a new processor:

1.Place the processor in its socket and close the retainer. Make sure the slot in the processor fits into the post on the socket.

2.Secure the locking lever. If reusing the existing heat sink, go to step 3. If using a new heat sink, go to step 6.

56 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis