HP Pavilion dv7-4200 HP Pavilion dv7 Entertainment PC - Maintenance and Servic - Page 65

white WLAN antenna cable is connected to the WLAN module Aux terminal.

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Before removing the WLAN 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 46). 5. Remove the primary hard drive cover (see Primary hard drive cover on page 47). 6. Remove the primary hard drive (see Hard drive on page 48). Remove the WLAN module: 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. Disconnect the WLAN antenna cables (1) from the WLAN module. NOTE: The black WLAN antenna cable is connected to the WLAN module "Main" terminal. The white WLAN antenna cable is connected to the WLAN module "Aux" terminal. 2. Remove the two Phillips PM2.5×3.5 screws (2) that secure the WLAN module to the computer. (The edge of the module opposite the slot rises away from the computer.) 3. Remove the WLAN module (3) by pulling it away from the slot. NOTE: WLAN modules are designed with a notch (4) to prevent incorrect insertion into the WLAN module slot. ENWW Component replacement procedures 55

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Before removing the WLAN 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
46
).
5.
Remove the primary hard drive cover (see
Primary hard drive cover
on page
47
).
6.
Remove the primary hard drive (see
Hard drive
on page
48
).
Remove the WLAN module:
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.
Disconnect the WLAN antenna cables
(1)
from the WLAN module.
NOTE:
The black WLAN antenna cable is connected to the WLAN module “Main” terminal. The
white WLAN antenna cable is connected to the WLAN module “Aux” terminal.
2.
Remove the two Phillips PM2.5×3.5 screws
(2)
that secure the WLAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
3.
Remove the WLAN module
(3)
by pulling it away from the slot.
NOTE:
WLAN modules are designed with a notch
(4)
to prevent incorrect insertion into the
WLAN module slot.
ENWW
Component replacement procedures
55