HP EliteBook 8570w, Maintenance And Service Manual

Page: 73 / 181

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 Wi-Fi 2×2 Adapter 669832-001
Intel Centrino Advanced N 6205 802.11 a/b/g/n 2×2 WiFi Adapter 631954-001
Intel Centrino Advanced-N 6205 Combo Adapter 695915-001
Intel Centrino Ultimate-N 6300 802.11 a/b/g/n 3×3 WiFi Adapter 572511-001
Intel Centrino Ultimate-N 6300 Combo Adapter 698588-001
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 54 ).
5. Remove the service door (see Service door on page 60 ).
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.
Component replacement procedures 65