WWAN module
NOTE: Not available for computers with Mobile Mi installed.
Description | Spare part number |
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HP un2400 Mobile Broadband Module (select models only) | |
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HP un2400 Mobile Broadband Module for use only with Verizon Wireless (select models only) | |
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WWAN module for use only in China | |
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CAUTION: The WWAN module and the WLAN module are not interchangeable.
To prevent an unresponsive system, replace the wireless module only with a wireless module authorized for use in the device 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 WWAN module, follow these steps:
1.Shut down the device. If you are unsure whether the device is off or in Hibernation, turn the device on, and then shut it down through the operating system.
2.Disconnect all external devices connected to the device.
3.Disconnect the power from the device by first unplugging the power cord from the AC outlet and then unplugging the AC adapter from the device.
4.Remove the battery (see Battery on page 36).
5.Remove the SIM (see SIM on page 37.
6.Remove the following components:
a.Keyboard (see Keyboard on page 40)
b.Hard drive or
c.Top cover (see Top cover on page 48)
Remove the WWAN module:
1.Remove the 2 Phillips PM2.0×4.0 screws (1) that secure the WWAN connector module (3) to the system board. (The edge of the module opposite the slot rises away from the device.)
2.Disconnect the wireless antenna cables (2) from the terminals on the WWAN module.
NOTE: The red WWAN antenna cable is connected to the WWAN module “Main” terminal. The blue WWAN antenna cable is connected to the WWAN module “Aux” terminal.
Component replacement procedures 53
