HP ProBook 4445s, Руководство по техническому обслуживанию и ремонту

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WLAN/Bluetooth combo card
The computer uses a card that provides both WLAN and Bluetooth functionality.
Description Spare part number
Atheros 9485GN 802.11b/g/n 1x1 WiFi and 3012 Bluetooth 4.0 Combo Adapter 655795-001
Atheros AR9485 802.11 b/g//n WiFi Adapter 675794-001
Atheros AR9565 802.11 b/g/n 1x1 WiFi + BT4.0 Combo Adapter 690019-001
Atheros AR9462 802.11 a/b/g/n 2x2 BT 4.0 Combo 676786-001
Broadcom 4313GN 802.11 b/g/n 1x1 WFI and 20702 Bluetooth Combo Adapter 657325-001
Ralink RT5390F 802.11 b/g/n PCIe HMC 670691-001
Ralink RT3290LE 802.11 b/g/n 1x1 WiFi and Bluetooth 4.0 Combo Adapter 690020-001
Ralink RT5390R 802.11 b/g/n 1x1 WiFi Adapter 691415-001
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 38 ).
5. Remove the bottom door (see Bottom door on page 39 ).
Remove the WLAN module:
1. Position the computer right-side up with the battery bay toward you.
2. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module.
NOTE: The WLAN antenna cable labeled “1” connects to the WLAN module “Main” terminal
labeled “1”. The WLAN antenna cable labeled “2” connects to the WLAN module “Aux” terminal
labeled “2”. If the computer is equipped with an 802.11a/b/g/n WLAN module, the yellow WLAN
antenna cable connects to the middle terminal on the WLAN module.
3. Remove the two Phillips PM2.0×3.0 screws (2) that secure the WLAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
Component replacement procedures 47