Which of the following should a technician check FIRST on the laptop if the system’s battery
is not being charged?

A.
CMOS battery

B.
DC-in jack

C.
AC-in jack

D.
Breaker for the wall jack

Explanation:

Check DC-in jack, if the laptop battery is not charging, the first thing to do is to check DC-in
and see if it is seated properly.