Installing a CPU
NOTE: HP recommends that you do not swap processors (CPUs) from one system board to another.
To install a CPU:
1. Prepare the computer for servicing by following the
Predisassembly procedures on page 68.
CAUTION: Failure to follow the predisassembly procedures can result in equipment damage or
data loss.
2. Remove the access panel (see Removing the access panel on page 71).
3. Remove the airflow guide.
4. If necessary, remove the CPU heatsink (see
Removing the CPU heatsink on page 118).
5. Using extreme care, fully raise the CPU socket lever and cover.
CAUTION: The CPU socket contacts are delicate. To avoid bending the contacts, use extreme
care when installing the CPU in the socket.
6. Align the notches in the CPU base with the tabs on the socket as shown in the figure below.
Seat the CPU into the socket. Ensure that the underside of the CPU is level with the top of the CPU
socket.
Figure 5-59 Seating the CPU
7. Close the CPU cover plate by lightly pressing down on the CPU cover plate while closing the socket
lever.
8. Replace the CPU heatsink (see
Installing the CPU heatsink on page 119),
9. Replace the access panel (see
Installing the access panel on page 71).
10. Restore all connections and equipment that you removed during the
Predisassembly procedures
on page 68.
122 Chapter 5 Replacing components ENWW
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