When a Certkiller .com user’s laptop is switched on the cooling fan is making a terrible noise. After
five minutes the fan noise stops. What do you think is the problem?

You are working as a technician at Certkiller .com. You are asked to troubleshoot a laptop that
when typing letters on the keyboard, seemingly randomly prints some letters and some numbers.
What is the most probable cause of this?

You are working as a technician at Certkiller .com. You are visiting a user that has complaining
about the loud and noisy fan in his laptop. When you receive on site the user reports that all fan
noise has just recently stopped. Which of the following is MOST likely the problem?

Which setting will you use to set up dual monitors on a laptop computer after right-clicking the
desktop and navigating to the Display Properties and the Select Settings tab?

What could be the reason why a 1 GHz laptop is operating at 700 MHz?

A user complained that his laptop produces some letter and some numbers when he types letters
on the keyboard. What advice can you offer him?

You received a report from a user that stated that his laptop cooling fan was making a noise, but
also that the noise stopped later. What could be causing this situation?

Which of the following methods may be used to easily clean LCD Computer screens?

What can you do to prevent a Certkiller .com laptop from overheating?

To clean a laptop’s LCD screen, what would you suggest as the best method from the options
below?