HP Mini 311-1028TU HP Pavilion dm1 HP Mini 311 Compaq Mini 311 - Maintenance a - Page 53

WWAN module

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WWAN module Removal and replacement procedures Description Spare part number HSPA EV-DO WWAN module for use with the HP Mini and Compaq Mini in all countries and regions 483377-002 except the People's Republic of China HSPA EV-DO WWAN module for use with the HP Mini and Compaq Mini in the People's Republic 483377-003 of China UNDP HSPA EV-DO WWAN mini module 531993-001 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 4-7). 5. Remove the accessory compartment cover (see "WLAN module" on page 4-9). Remove the WWAN module: Ä 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. 1. Position the computer with the front toward you. 2. Disconnect the WWAN antenna cables 1 from the terminals on the WWAN module. ✎ 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. 3. Remove the 2 Phillips PM2.0×4.0 screws 2 that secure the WWAN module to the system board. (The WWAN module tilts up.) 4. Remove the WWAN module 3 by pulling it away from the slot at an angle. ✎ WWAN modules are designed with a notch 4 to prevent incorrect insertion of the WWAN module into the WWAN module slot. Maintenance and Service Guide 4-13

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Removal and replacement procedures
Maintenance and Service Guide
4–13
WWAN module
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 4-7
).
5. Remove the accessory compartment cover (see
“WLAN module” on page 4-9
).
Remove the WWAN module:
Ä
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.
1. Position the computer with the front toward you.
2. Disconnect the WWAN antenna cables
1
from the terminals on the WWAN module.
✎
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.
3.
Remove the 2 Phillips PM2.0×4.0 screws
2
that secure the WWAN module to the system board. (The WWAN
module tilts up.)
4. Remove the WWAN module
3
by pulling it away from the slot at an angle.
✎
WWAN modules are designed with a notch
4
to prevent incorrect insertion of the WWAN module into
the WWAN module slot.
Description
Spare part number
HSPA EV-DO WWAN module for use with the HP Mini and Compaq Mini in all countries and regions
except the People’s Republic of China
483377-002
HSPA EV-DO WWAN module for use with the HP Mini and Compaq Mini in the People’s Republic
of China
483377-003
UNDP HSPA EV-DO WWAN mini module
531993-001