HP Pavilion dm3 HP Pavilion dm3 Entertainment PC - Maintenance and Service Gui - Page 63

WLAN module

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WLAN module Description Broadcom 802.11 bgn WLAN + Bluetooth Combo card Broadcom 802.11 bgn WLAN card Atheros 802.11 bgn WLAN card Ralink 802.11 bgn WLAN + Bluetooth Combo card Spare part number 621184-001 621751-001 621752-001 621753-001 Before removing the WLAN module: 1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn on the computer, 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 disconnecting the power cord from the AC outlet and then disconnecting the AC adapter from the computer. 4. Remove the following components: a. Battery (see Battery on page 34) b. Hard drive (see Hard drive on page 36) c. Keyboard (see Keyboard on page 42) d. Top cover (see Top cover on page 45) Remove the WLAN module: 1. Position the base enclosure with the front edge towards you. 2. Disconnect the main antenna cable and the auxiliary antenna cable (1) from the wireless module. 3. Remove the two Phillips PM2.0×3.0 screws (2) that secures the WLAN module to the computer. (The edge of the module opposite the slot rises away from the computer.) Component replacement procedures 55

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WLAN module
Description
Spare part
number
Broadcom 802.11 bgn WLAN + Bluetooth Combo card
621184-001
Broadcom 802.11 bgn WLAN card
621751-001
Atheros 802.11 bgn WLAN card
621752-001
Ralink 802.11 bgn WLAN + Bluetooth Combo card
621753-001
Before removing the WLAN module:
1.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn on
the computer, 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 disconnecting the power cord from the AC
outlet and then disconnecting the AC adapter from the computer.
4.
Remove the following components:
a.
Battery (see
Battery
on page
34
)
b.
Hard drive (see
Hard drive
on page
36
)
c.
Keyboard (see
Keyboard
on page
42
)
d.
Top cover (see
Top cover
on page
45
)
Remove the WLAN module:
1.
Position the base enclosure with the front edge towards you.
2.
Disconnect the main antenna cable and the auxiliary antenna cable
(1)
from the wireless
module.
3.
Remove the two Phillips PM2.0×3.0 screws
(2)
that secures the WLAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
Component replacement procedures
55