HP Xw4550 HP xw4550 Workstation - Service and Technical Reference Guide - Page 71

Front panel I/O device assembly,

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1. Disconnect power from the system (Predisassembly procedures on page 55) and remove the front bezel (Front Bezel on page 62). 2. Gently push the subpanel (1) out the back of the front bezel. 3. Remove the desired bezel blank by applying outward pressure on the subpanel (1) and pulling the blank (2) away. Figure 4-9 Removing the bezel blanks NOTE: The bezel blanks are keyed to assist you in replacing the blanks. Also, the subpanel can be rotated 90 degrees to install the optical drives in desktop orientation if desired. Front panel I/O device assembly To remove the front panel I/O device assembly: 1. Disconnect power from the system (Predisassembly procedures on page 55), remove the side access panel (Side access panel on page 59), and remove the front bezel (Front Bezel on page 62). 2. Unlatch the plastic snap that secures the cables inside the chassis and disconnect the front panel I/O device assembly cables from the system board. 3. Remove the two smaller Torx screws (1) that hold the front panel I/O device assembly (3) and bracket to the chassis. 4. Remove the two larger Torx screws (2) that hold the front panel I/O device assembly (3) to the bracket. 5. Separate the bracket away from the front panel I/O device assembly. 6. Pull the front panel I/O device assembly out about two inches away (4) from the chassis. ENWW Steps for removing and replacing components 63

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1.
Disconnect power from the system (
Predisassembly procedures
on page
55
) and remove the front
bezel (
Front Bezel
on page
62
).
2.
Gently push the subpanel (1) out the back of the front bezel.
3.
Remove the desired bezel blank by applying outward pressure on the subpanel (1) and pulling the
blank (2) away.
Figure 4-9
Removing the bezel blanks
NOTE:
The bezel blanks are keyed to assist you in replacing the blanks. Also, the subpanel can be
rotated 90 degrees to install the optical drives in desktop orientation if desired.
Front panel I/O device assembly
To remove the front panel I/O device assembly:
1.
Disconnect power from the system (
Predisassembly procedures
on page
55
), remove the side
access panel (
Side access panel
on page
59
), and remove the front bezel (
Front Bezel
on page
62
).
2.
Unlatch the plastic snap that secures the cables inside the chassis and disconnect the front panel
I/O device assembly cables from the system board.
3.
Remove the two smaller Torx screws (1) that hold the front panel I/O device assembly (3) and
bracket to the chassis.
4.
Remove the two larger Torx screws (2) that hold the front panel I/O device assembly (3) to the
bracket.
5.
Separate the bracket away from the front panel I/O device assembly.
6.
Pull the front panel I/O device assembly out about two inches away (4) from the chassis.
ENWW
Steps for removing and replacing components
63