HP Compaq Presario CQ56, Maintenance And Service Manual, Page: 50 / 110

WLAN module
Description Spare part
number
Atheros AR9285 802.11b/g/n 1x1 WiFi adapter 605560-005
Realtek RTL8191SE 802.11b/g/n 1x1 WiFi adapter 593533-001
Broadcom 4313 802.11b/g/n 1x1 WiFi adapter 593836-001
Broadcom 4313 802.11b/g/n 1x1 WiFi and 2070 Bluetooth 2.1+EDR Combo adapter (BT3.0+HS ready) 600370-001
Ralink RT3090BC4 802.11b/g/n 1x1 WiFi and Bluetooth 2.1+EDR Combo adapter (BT3.0+HS ready) 602992-001
Ralink RT5390 802.11b/g/n 1x1 WiFi adapter 630703-001
Before removing the WLAN module:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn on
the computer, 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 36 ).
Remove the WLAN module:
1. Position the computer upside down, with the front toward you.
2. Loosen the three Phillips 2.5×5.0 captive screws (1) that secure the memory module
compartment cover.
3. Lift the outside edge of the memory module cover (2) , and remove the cover (3) . The memory
module compartment cover is included in the Plastics Kit, spare part number 595200-001.
42 Chapter 4 Removal and replacement procedures