HP ENVY dv4-5b00 HP Envy dv4 Maintenance and Service Guide - Page 47

WLAN module, CAUTION

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WLAN module Description Broadcom 4313 802.11 b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter Qualcomm Atheros AR9485 802.11 b/g/n 1×1 WiFi and AR3012 Bluetooth 4.0 Combo Adapter (select models only) Spare part number 657325-005 655795-005 CAUTION: To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the computer by the governmental agency that regulates wireless devices in your country or region. If you replace the module and then receive a warning message, remove the module to restore device functionality, and then contact technical support. Before removing the WLAN module, follow these steps: 1. Shut down the computer. 2. Disconnect the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the battery (see Battery on page 30). 5. Remove the service door (see Service door on page 32). Remove the WLAN module: 1. Loosen the captive screw (1) that secures the wireless module compartment cover to the computer. 2. Lift the right side of the wireless module compartment cover (2) until it rests at an angle. 3. Remove the wireless module compartment cover. The wireless module compartment cover is available in the Plastics Kit, spare part number 676652-001. Component replacement procedures 39

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WLAN module
Description
Spare part number
Broadcom 4313 802.11 b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter
657325-005
Qualcomm Atheros AR9485 802.11 b/g/n 1×1 WiFi and AR3012 Bluetooth 4.0 Combo Adapter
(select models only)
655795-005
CAUTION:
To prevent an unresponsive system, replace the wireless module only with a wireless
module authorized for use in the computer by the governmental agency that regulates wireless
devices in your country or region. If you replace the module and then receive a warning message,
remove the module to restore device functionality, and then contact technical support.
Before removing the WLAN module, follow these steps:
1.
Shut down the computer.
2.
Disconnect the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the battery (see
Battery
on page
30
).
5.
Remove the service door (see
Service door
on page
32
).
Remove the WLAN module:
1.
Loosen the captive screw
(1)
that secures the wireless module compartment cover to the
computer.
2.
Lift the right side of the wireless module compartment cover
(2)
until it rests at an angle.
3.
Remove the wireless module compartment cover. The wireless module compartment cover is
available in the Plastics Kit, spare part number 676652-001.
Component replacement procedures
39