HP ProBook 5330m HP ProBook 5330m Notebook PC - Maintenance and Service Guide - Page 52

WWAN module

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WWAN module NOTE: Only select models include a WWAN module (see Product description on page 1). Description HP hs2340 HSPA+ Mobile Broadband Module HP un2430 EV-DO/HSPA Mobile Broadband Module Spare part number 632155-001 634400-001 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 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 36). 5. Remove the service access cover (see Service access cover on page 38). Remove the WWAN module: 1. Position the computer upside down with the front toward you. 44 Chapter 4 Removal and replacement procedures

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WWAN module
NOTE:
Only select models include a WWAN module (see
Product description
on page
1
).
Description
Spare part number
HP hs2340 HSPA+ Mobile Broadband Module
632155-001
HP un2430 EV-DO/HSPA Mobile Broadband Module
634400-001
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 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
36
).
5.
Remove the service access cover (see
Service access cover
on page
38
).
Remove the WWAN module:
1.
Position the computer upside down with the front toward you.
44
Chapter 4
Removal and replacement procedures