A user's computer will not boot. A technician notices four indicator lights on the backside of the computer. Two of the lights are green, and two are amber. Which of the following documentation
should the technician read to determine what the lights are indicating?
A. Network diagram
B. Computer manual
C. Asset management
D. Wiring scheme

B.

Explanation:

Computer manual is the user guide that comes along with the computer set to inform the users about the functions, ways to assemble the parts, and so on.

The user manual consists of guide for the users specially for electronic products such as computers, refrigerators; softwares, and so on. These manuals are written by technical writers, programmers, etc.

In the given scenario the technician needs to refer to computer manual to know the meaning of the lights on the backside of the computer.

So, the correct answer is option B.