Chapter 7

Question 1

When a user types, a laptop’s screen displays letters and numbers instead of
only letters. What should you check first?
❍ A. Fn key
❍ B. LCD cutoff switch
❍ C. Num Lk key
❍ D. Scroll Lock key

Answer 1

❍ C. Num Lk key

Question 2

Which of the following are possible reasons that a laptop’s keyboard might fail
completely? (Select the best two answers.)
❍ A. A stuck key.
❍ B. A disconnected ribbon cable.
❍ C. The user spilled coffee on the laptop.
❍ D. The keyboard was disabled in the Device Manager.

Answer 2

❍ B. A disconnected ribbon cable.

❍ C. The user spilled coffee on the laptop.

Question 3

What are two possible reasons why a laptop’s display suddenly went blank?
❍ A. Damaged inverter
❍ B. Damaged LCD
❍ C. Burned out backlight
❍ D. Incorrect resolution setting

Answer 3

❍ A. Damaged inverter

❍ C. Burned out backlight

Question 4

A user doesn’t see anything on his laptop’s screen. He tries to use AC power
and thinks that the laptop is not receiving any. What are two possible reasons for
this?
❍ A. Incorrect AC adapter.
❍ B. The AC adapter is not connected to the laptop.
❍ C. Windows won’t boot.
❍ D. The battery is dead.

Answer 4

❍ A. Incorrect AC adapter.

❍ B. The AC adapter is not connected to the laptop.

Question 5

One of your customers reports that she walked away from her laptop for 30 minutes.
When she returned, the display was very dim. The user increased the
brightness setting and moved the mouse but to no effect. What should you do
first?
❍ A. Replace the LCD screen.
❍ B. Check the operating system for corruption.
❍ C. Connect an external monitor to verify that the video card works.
❍ D. Check if the laptop is now on battery power.

Answer 5

❍ D. Check if the laptop is now on battery power.

When in battery power the computer normally is set to dimmer display and shorter sleep configuration

Question 6

You need to replace the CMOS battery in a laptop. Which of the following is a
common location for the battery?
❍ A. Under the DVD-ROM
❍ B. Behind the laptop battery
❍ C. Under the keyboard
❍ D. Behind the hard drive

Answer 6

❍ C. Under the keyboard

Question 7

You just added a second memory module to a laptop. However, after rebooting
the system the OS reports the same amount of memory as before. What should
you do next?
❍ A. Replace both memory modules.
❍ B. Run Windows Update.
❍ C. Replace the motherboard.
❍ D. Reseat the laptop memory.

Answer 7

❍ D. Reseat the laptop memory.

Question 8

You are required to add a second memory module to a laptop. You open the
hatch on the bottom of the laptop only to find a single memory module installed
to the only slot. Where should you look for a second memory slot?
❍ A. Behind the removable hard drive
❍ B. Underneath the keyboard
❍ C. Under the battery
❍ D. Behind the DVD-ROM drive

Answer 8

❍ B. Underneath the keyboard