Here’s the Answer to the Question posted on Facebook
Q. You are troubleshooting a laptop computer that has a dim display. You are unable to adjust the brightness. Of the following choices, what is the MOST likely problem?
A. Backlight failure
B. Battery is not charging
C. Out-of-date display driver
D. Inadequate memory
Answer available until November 2, 2015.
See Chapter 8 of the CompTIA A+ Training Kit (ISBN 978-0735662681) by Darril Gibson.