Memory - HP xw4550 Service And Technical Reference Manual

3. Remove the four screws (2) from the rear of the chassis with a Phillips screwdriver, and lift it (3)
out of the chassis.
Figure 4-15
To replace the system fan assembly, reverse the previous steps.
CAUTION:
arrow is pointing toward the rear of the chassis.

Memory

To remove a memory module:
1. Disconnect power from the system
access panel
CAUTION:
power off the workstation and unplug the power cord from the AC power outlet. If you do not unplug
the power cord while installing memory, your memory modules might be damaged and the system
will not recognize the memory changes.
2. Gently push outward on the socket levers (1).
ENWW
Removing the system fan
When replacing the system fan, be sure that the fan is situated so that the airflow direction
(Side access panel on page
To ensure that memory modules are not damaged during removal or installation,
(Predisassembly procedures on page
62).
Steps for removing and replacing components
57) and remove the side
71