HP EliteBook 8570w HP EliteBook 8570w Mobile Workstation Maintenance and Servi - Page 64

Wlan Module, Caution, Important

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WLAN module CAUTION: The WLAN module and the WWAN module are not interchangeable. Description Broadcom 43228 802.11 a/b/g/n 2x2 Wi-Fi Adapter Intel Centrino Ultimate-N 6300 802.11 a/b/g/n 3x3 WiFi Adapter Intel Centrino Advanced N 6205, a/b/g/n 2x2 WiFi Adapter Spare part number 669832-001 572511-001 631954-001 Before removing the WLAN module, 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 46). 5. Remove the service door (see Service door on page 52). Remove the WLAN module: IMPORTANT: Make special note of each screw and screw lock size and location during removal and replacement. 1. Position the computer upside down, with the front toward you. 56 Chapter 4 Removal and replacement procedures

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WLAN module
CAUTION:
The WLAN module and the WWAN module are not interchangeable.
Description
Spare part number
Broadcom 43228 802.11 a/b/g/n 2x2 Wi-Fi Adapter
669832-001
Intel Centrino Ultimate-N 6300 802.11 a/b/g/n 3x3 WiFi Adapter
572511-001
Intel Centrino Advanced N 6205, a/b/g/n 2x2 WiFi Adapter
631954-001
Before removing the WLAN module, 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
46
).
5.
Remove the service door (see
Service door
on page
52
).
Remove the WLAN module:
IMPORTANT:
Make special note of each screw and screw lock size and location during removal
and replacement.
1.
Position the computer upside down, with the front toward you.
56
Chapter 4
Removal and replacement procedures