HP 701977-051 Benutzerhandbuch

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WWAN module
Description
Spare part number
HP un2430 EV-DO/HSPA Mobile Broadband Module
634400-001
HP hs2340 HSPA+ Mobile Broadband Module
668969-001
HP un2430 EV-DO/HPSA minicard9999
702080-001
HSPA+ with GPS minicard
710788–001
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 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 WWAN 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 
5.
Remove the service access cover (see 
Remove the WWAN module:
1.
Disconnect the WWAN antenna cables (1) 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.
2.
Remove the two Phillips M2.0×2.0 screws (2) that secure the WWAN module to the system
board. (The WWAN module tilts up.)
3.
Remove the WWAN module (3) by pulling the module away from the slot at an angle.
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Chapter 4   Removal and replacement procedures