CompTIA A+ 220-902 Question J-76

A technician has upgraded an internal WiFi card on a laptop and now the signal power to connect to a WAP is low. Which of the following is the MOST likely cause of the issue?

A. WIFI card drivers are not installed.
B. The laptops memory is faulty.
C. The laptops battery is dead.
D. One of the antenna wires is unplugged.

Correct Answer: D

Explanation:
Check to see if the WIFI antenna wire is plugged. If it is not plugged, the signal power will be low.