You work in the computer repair department of a large retail outlet. A customer comes in with a workstation that randomly shuts down. You suspect that the power supply is failing. What should you do first to troubleshoot the issue? answer Use a known good spare to swap with the existing power supply. Use a power supply tester on the power supply. Use a multimeter to test the power supply's electrical properties. Use a cable tester to check the power supply's connections.

A computer is doing weird things, such as shutting down unexpectedly and hanging. You suspect a power problem. You check the power good (power OK) signal on the power supply’s main motherboard connector. The voltage reading shows that you have power (+2.5 volts). What are you going to do next?This type of question contains radio buttons and checkboxes for selection of options. Use Tab for navigation and Enter or space to select the option.optionACheck the wall outlet voltage.optionBReplace the power supply.optionCCheck the power supply cable for resistance.optionDCheck the voltage coming out of a Molex or SATA connector.

You suspect that the power supply in your desktop PC is failing. You want to use a multimeter to test the power supply. Which multimeter setting should you use? answer Ohms DC volts Watts AC volts

You are an IT technician for your company. One of the employees has a computer that continually reboots when it's powered on. He has asked you to fix it. You suspect that the power supply may be failing.Which of the following is the BEST initial step to determine whether the power supply is causing the reboots?answerUse a toner probe to test the power cable.Verify that the fan on the power supply is spinning.Use a multimeter to test the power supply.Replace the power supply.

After answering a service call, you find a customer's computer is dead. Which of the following checks would you perform first? Question 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.

An employee submitted a support ticket stating that her computer will not turn on.Which of the following troubleshooting steps should you take first? (Select two.)answerOpen the computer and replace the power supply.Make sure the keyboard and mouse are plugged in.Make sure the surge protector is turned on.Use a multimeter to test the power supply.Make sure the power cord is plugged into the wall.