You are working as a technician at Certkiller .com. You open a computer and observe that the
computer is full of dust. What should you do in order to remove the dust from the system? (Select
TWO).

Certkiller .com purchased a new computer, but none of the USB devices that are attached to the
computer after booting works. What should you do?

Which of the following is the best way to remove dust from the inside of a computer? (Choose
TWO.)

How can you access the unsigned drivers options?

Which of the following could have caused your two new IDE devices that is installed on the second
IDE controller, not to function? (Select all that apply.)

What is the best thing to do if your power supply is not functioning?

One of the Certkiller .com systems has a blank monitor and the fan on the power supply is not
working. What is the cause of this problem?

One of the Certkiller .com systems in your office worked fine the day before, now you have a
problem that there is one short beep and nothing on the screen. What could be the problem?

Which of the following is the FIRST thing you should check when a new IDE hard drive is not
recognized?

A friend of yours has purchased a new hard drive for his computer that is a couple of years old. He
has asked you to help him install it. Once the hard drive is physically installed you boot up the
computer and realize that the computer is only seeing a part of the hard drives capacity. Which of
the following is MOST likely the cause?