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 bottom door (see
Bottom door on page 48
).
Remove the WLAN module:
1.
Position the computer upside-down with the battery bay toward you.
2.
Disconnect the WLAN antenna cables
(1)
from the terminals on the WLAN module.
NOTE:
The WLAN antenna cable labeled “1” connects to the WLAN module “Main” terminal
labeled “1”. The WLAN antenna cable labeled “2” connects to the WLAN module “Aux” terminal
labeled “2”. If the computer is equipped with an 802.11a/b/g/n WLAN module, the yellow
WLAN antenna cable connects to the middle terminal on the WLAN module.
3.
Remove the two Phillips PM2.0×3.0 screws
(2)
that secure the WLAN module to the computer.
(The edge of the module opposite the slot rises away from the computer.)
60
Chapter 4 Removal and replacement procedures
Summary of Contents for ProBook 4430s
Page 1: ...HP ProBook 4430s Notebook PC HP ProBook 4330s Notebook PC Maintenance and Service Guide ...
Page 4: ...iv Safety warning notice ...
Page 8: ...viii ...
Page 29: ...Computer major components Computer major components 21 ...
Page 83: ...Cable routing path top Cable routing path bottom Component replacement procedures 75 ...
Page 150: ......
