HP Spectre XT TouchSmart Ultrabook CTO 15t-4000 HP SpectreXT TouchSmart Mainte - Page 45
WLAN module, Remove the bottom cover see
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WLAN module Description Intel Centrino Advanced-N 6235 Combo Adapter Spare part number 670292-005 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. 4. Remove the bottom cover (see Bottom cover on page 33). 5. Disconnect the battery cable from the system board (see Battery on page 35). Remove the WLAN module: 1. 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". 2. Remove the two Phillips PM2.0×3.0 screws (2) that secure the WLAN module to the system board. (The WLAN module tilts up.) Component replacement procedures 37