HP 620 Compaq 320, 321, 420, 421, 620 and 621 Notebook PCs HP 420 and 620 Not - Page 93

USB connector assembly, Remove the USB connector assembly

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2. Disconnect the Bluetooth cable (1) from the system board and remove the antenna (2) from the base enclosure. The antenna is held to the base enclosure with adhesive. Reverse this procedure to install the Bluetooth module. USB connector assembly The spare part number for the USB connector assembly used on all models is 605796-0001. Before removing the USB connector assembly, follow these steps: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect all external devices connected to the computer. 3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the computer. 4. Remove the battery (see Battery on page 53). 5. Remove the palm rest (see Palm rest on page 68). 6. Remove the keyboard (see Keyboard on page 73). 7. Remove the top cover (see Top cover on page 77). Remove the USB connector assembly on 39.6-cm (15.6-in) computers: 1. Position the computer right-side up with the right side toward you. 2. Release the ZIF connector (1) and remove the cable (2) from the system board. Component replacement procedures 85

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2.
Disconnect the Bluetooth cable
(1)
from the system board and remove the antenna
(2)
from the
base enclosure. The antenna is held to the base enclosure with adhesive.
Reverse this procedure to install the Bluetooth module.
USB connector assembly
The spare part number for the USB connector assembly used on all models is 605796-0001.
Before removing the USB connector assembly, follow these steps:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet
and then unplugging the AC adapter from the computer.
4.
Remove the battery (see
Battery
on page
53
).
5.
Remove the palm rest (see
Palm rest
on page
68
).
6.
Remove the keyboard (see
Keyboard
on page
73
).
7.
Remove the top cover (see
Top cover
on page
77
).
Remove the USB connector assembly on
39.6-cm
(15.6-in) computers:
1.
Position the computer right-side up with the right side toward you.
2.
Release the ZIF connector
(1)
and remove the cable
(2)
from the system board.
Component replacement procedures
85