HP 655 HP 655 Notebook PC - Maintenance and Service Guide - Page 45

WLAN module, Turn off the computer. If you are unsure whether the computer is off or in Hibernation

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5. Remove the memory module (2) by pulling it away from the slot at an angle. Reverse this procedure to install a memory module. WLAN module Description Atheros AR9565 802.11b/g/n 1×1 WiFi + BT4.0 Combo Adapter Atheros HB125 802.11b/g/n 1×1 WLAN module Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter Broadcom 4313GN 802.11b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter Ralink RT5390F 802.11b/g/n 1×1 WLAN module Ralink RT5390R 802.11bg/n 1×1 WiFi Adapter Ralink RT3290LE 802.11b/g/n 1×1 WiFi and Bluetooth 4.0 Combo Adapter Spare part number 690019-001 675794-001 655795-001 657325-001 670691-001 691415-001 690020-001 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. Turn off 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 the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. Component replacement procedures 37

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5.
Remove the memory module
(2)
by pulling it away from the slot at an angle.
Reverse this procedure to install a memory module.
WLAN module
Description
Spare part number
Atheros AR9565 802.11b/g/n 1×1 WiFi + BT4.0 Combo Adapter
690019-001
Atheros HB125 802.11b/g/n 1×1 WLAN module
675794-001
Atheros 9485GN 802.11b/g/n 1×1 WiFi and 3012 Bluetooth 4.0 Combo Adapter
655795-001
Broadcom 4313GN 802.11b/g/n 1×1 WiFi and 20702 Bluetooth 4.0 Combo Adapter
657325-001
Ralink RT5390F 802.11b/g/n 1×1 WLAN module
670691-001
Ralink RT5390R 802.11bg/n 1×1 WiFi Adapter
691415-001
Ralink RT3290LE 802.11b/g/n 1×1 WiFi and Bluetooth 4.0 Combo Adapter
690020-001
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.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
Component replacement procedures
37