HP Presario CQ57-200 Compaq Presario CQ57 Notebook PC - Maintenance and Servic - Page 47

WLAN module, Remove the Phillips PM2.0×3.0 screw - restore

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WLAN module Description Atheros AR9002WB-1NGB 802.11b/g/n 1x1 WiFi and Bluetooth 2.1+EDR Combo Adapter (BT3.0+HS ready) Ralink 5390GN 802.11b/g/n 1x1 WiFi Adapter Realtek 8188BC8 802.11a/b/g/n 2x2 WiFi and Bluetooth 3.0+HS Combo Adapter Realtek 8188GN 802.11b/g/n 1x1 WiFi Adapter Spare part number 593127-001 630703-001 602993-001 640926-001 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. 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 35). 5. Remove the memory module/wireless module compartment cover (see Optical drive on page 36). Remove the WLAN module: 1. Disconnect the WLAN antenna cables (1) from the terminals on the WLAN module. NOTE: The #1 WLAN antenna cable is connected to the WLAN module #1 terminal. The #2 WLAN antenna cable is connected to the WLAN module #2 terminal. 2. Remove the Phillips PM2.0×3.0 screw (2) that secures the WLAN module to the system board. (The WLAN module tilts up.) Component replacement procedures 39

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WLAN module
Description
Spare part number
Atheros AR9002WB-1NGB 802.11b/g/n 1x1 WiFi and Bluetooth 2.1+EDR Combo Adapter
(BT3.0+HS ready)
593127-001
Ralink 5390GN 802.11b/g/n 1x1 WiFi Adapter
630703-001
Realtek 8188BC8
802.11a/b/g/n 2x2 WiFi and Bluetooth 3.0+HS Combo Adapter
602993-001
Realtek 8188GN 802.11b/g/n 1x1 WiFi Adapter
640926-001
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.
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
35
).
5.
Remove the memory module/wireless module compartment cover (see
Optical drive
on page
36
).
Remove the WLAN module:
1.
Disconnect the WLAN antenna cables
(1)
from the terminals on the WLAN module.
NOTE:
The #1 WLAN antenna cable is connected to the WLAN module #1 terminal. The #2
WLAN antenna cable is connected to the WLAN module #2 terminal.
2.
Remove the Phillips PM2.0×3.0 screw
(2)
that secures the WLAN module to the system board.
(The WLAN module tilts up.)
Component replacement procedures
39