HP Pro 3420 PC Maintenance & Service Guide - Page 63
WLAN Module,
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8. Remove the screw that secures each antenna (only one shown in the following image) to the computer, and then remove the antennas from the computer. Figure 7-25 Removing the WLAN antennas To install the WLAN module or antennas, reverse the removal procedures. WLAN Module 55
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8.
Remove the screw that secures each antenna (only one shown in the following image) to the
computer, and then remove the antennas from the computer.
Figure 7-25
Removing the WLAN antennas
To install the WLAN module or antennas, reverse the removal procedures.
WLAN Module
55