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WWAN module (select models only)
NOTE: This section applies only to computer models equipped with an AMD processor.
Description Spare part number
HP hs2340 HSPA+ Mobile Broadband Module 632155-001
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 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
Battery on page 44).
5. Remove the service door (see
WLAN module on page 48).
Remove the WWAN module:
1. Disconnect the WWAN antenna cables (1) from the terminals on the WWAN module.
NOTE: The red WLAN antenna cable is connected to the WWAN module #1 terminal. The blue
WWAN antenna cable is connected to the WWAN module #2 terminal.
2. Remove the Phillips PM2.0×3.7 screw (2) that secures the WWAN module to the system board.
(The WWAN module tilts up.)
Component replacement procedures 51