HP 4000 Maintenance & Service Guide HP Compaq 4000 Pro Small Form Factor B - Page 84

Front I/O, Power Switch Assembly

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Front I/O, Power Switch Assembly Description Front I/O and power switch assembly Spare part number 636926-001 The front I/O and power switch/LEDs are one assembly, attached to the front of the chassis. Push the assembly into the chassis to remove. 1. Prepare the computer for disassembly (Preparation for Disassembly on page 40). 2. Remove the access panel (Computer Access Panel on page 41). 3. Remove the front bezel (Front Bezel on page 42). 4. Remove the chassis fan (Front Fan Assembly on page 72). 5. Rotate the drive cage to its upright position. 6. Disconnect the four cables from the system board as follows: ● Yellow connector labeled FRNT USB1 ● Green connector labeled FRNT USB2 ● Blue connector labeled FRNT AUD ● Black connector labeled PB/LED 7. Remove the screw that secures the assembly to the front of the chassis. Figure 6-45 Removing the front I/O, power switch/LED assembly screw 74 Chapter 6 Removal and Replacement Procedures Small Form Factor (SFF) Chassis

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Front I/O, Power Switch Assembly
Description
Spare part number
Front I/O and power switch assembly
636926-001
The front I/O and power switch/LEDs are one assembly, attached to the front of the chassis. Push the
assembly into the chassis to remove.
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
40
).
2.
Remove the access panel (
Computer Access Panel
on page
41
).
3.
Remove the front bezel (
Front Bezel
on page
42
).
4.
Remove the chassis fan (
Front Fan Assembly
on page
72
).
5.
Rotate the drive cage to its upright position.
6.
Disconnect the four cables from the system board as follows:
●
Yellow connector labeled FRNT USB1
●
Green connector labeled FRNT USB2
●
Blue connector labeled FRNT AUD
●
Black connector labeled PB/LED
7.
Remove the screw that secures the assembly to the front of the chassis.
Figure 6-45
Removing the front I/O, power switch/LED assembly screw
74
Chapter 6
Removal and Replacement Procedures Small Form Factor (SFF) Chassis