HP 655, Maintenance And Service Manual

Page: 45 / 105

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