HP EliteBook 2560p, Руководство по техническому обслуживанию и ремонту

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WWAN module
Description Spare part number
HP hs2340 HSPA+ Mobile Broadband Module 632155-001
HP un2430 EV-DO/HSPA Mobile Broadband Module (all countries and regions except the People's
Republic of China) 634400-001
CAUTION: The WWAN module and the WLAN module are not interchangeable.
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 computer functionality, and then contact technical support through Help
and 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 41 ).
5. Remove service access cover (see Service access cover on page 42 ).
Remove the WWAN module:
1. Disconnect the WWAN antenna cables (1) from the terminals on the WWLAN module.
NOTE: The black WWAN antenna cable is connected to the WWAN module “Main” terminal.
The white WWAN antenna cable is connected to the WWAN module “Aux” terminal.
2. Remove the two Phillips M2.0×3.0 screws (2) that secure the WWAN module to the computer.
56 Chapter 4 Removal and replacement procedures