You are checking out a customer PC and have powered on the PC and it beeps once. Which of the following is true? Question 6 options: a) The NIC has failed. b) There is no keyboard. c) The RAM is bad. d) The POST is completed.

A technician has just finished assembling a new computer. When the computer is powered up for the first time, the POST discovers a problem. How does the POST indicate the error?It locks the keyboard.The LED on the front of the computer case flashes a number of times.It issues a number of short beeps.It places an error message in the BIOS.

After answering a service call, you find a customer's computer is dead. Which of the following checks would you perform first? Question 4 options: a) Check to see if the power supply is functional. b) Check the CMOS battery. c) Check the AC outlet voltage. d) Check for excessive EMI.

A technician is troubleshooting a computer that doesn't start up correctly. Which of the following could the technician use to troubleshoot the computer? answer Tone generator and probe 3-prong parts retriever Known good spares Loopback plug

chose oen correct option:Good choice. Electrical problems typically occur before boot and might make the PC appear “dead”. What is the best course of action at this point? Take the PC to the lab to test the power supply Replace the Power supply on the spot Call support to have the PC fixed Have the user replace the part

6. Why is the beep test used?