HP dx2420 Service Reference Guide: HP Compaq dx2420 Business PC - Page 65

Power Switch/LED Assembly,

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Power Switch/LED Assembly 1. Prepare the computer for disassembly (Preparation for Disassembly on page 28). 2. Remove the computer access panel (Computer Access Panel on page 32). 3. Remove the front bezel (Front Bezel on page 33). 4. Remove the optical drive (Removing an Optical Drive on page 48). 5. Disconnect the cable from the black system board connector labeled JFP1. 6. Remove the cable from the metal clamps on the side of the drive cage. This step may require a flat blade screwdriver to lift the clamps enough to remove the cable. 7. To remove the power button assembly, perform the following steps simultaneously: a. On the right side of the assembly, press down on the top tab (1). b. Press in on the tab on the right side of the assembly (2). c. While pressing the two tabs, pull the assembly away from the chassis enough to loosen the tabs from their slots in the chassis. Figure 6-37 Removing the power switch/LED assembly 8. Pull the assembly away from the chassis while threading the wire through the hole in the front of the chassis. 9. Remove the assembly from the chassis. To reinstall the assembly, reverse the removal procedures. Be sure to route the cable through the metal clamps on the side of the drive cage. Power Switch/LED Assembly 59

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Power Switch/LED Assembly
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
28
).
2.
Remove the computer access panel (
Computer Access Panel
on page
32
).
3.
Remove the front bezel (
Front Bezel
on page
33
).
4.
Remove the optical drive (
Removing an Optical Drive
on page
48
).
5.
Disconnect the cable from the black system board connector labeled JFP1.
6.
Remove the cable from the metal clamps on the side of the drive cage. This step may require a
flat blade screwdriver to lift the clamps enough to remove the cable.
7.
To remove the power button assembly, perform the following steps simultaneously:
a.
On the right side of the assembly, press down on the top tab
(1)
.
b.
Press in on the tab on the right side of the assembly
(2)
.
c.
While pressing the two tabs, pull the assembly away from the chassis enough to loosen the
tabs from their slots in the chassis.
Figure 6-37
Removing the power switch/LED assembly
8.
Pull the assembly away from the chassis while threading the wire through the hole in the front of
the chassis.
9.
Remove the assembly from the chassis.
To reinstall the assembly, reverse the removal procedures. Be sure to route the cable through the metal
clamps on the side of the drive cage.
Power Switch/LED Assembly
59