What is a symptom of a failing power supply? The computer sometimes does not turn on. The display has only a blinking cursor. The power cord will not attach properly…
Which step in the troubleshooting process is important to help avoid repeating repair processes that were performed previously? implementation of the solution identification of the problem documentation of the problem…
Which cleaning tool should be used to remove dust from components inside a computer case? cotton swabs duster damp cloth compressed air To effectively remove dust from components inside a computer…
A customer reports that recently several files cannot be accessed. The service technician decides to check the hard disk status and the file system structure. The technician asks the customer…
What task should be completed before escalating a problem to a higher-level technician? Replace all hardware components with components that are known to work. Redo each test to ensure the…
After a problem is identified, what is the next step for the troubleshooter? Implement a solution. Establish a theory of probable causes. Document the findings. Verify the solution. Determine the…
What is the most important reason for a company to ensure that computer preventive maintenance is done? Preventive maintenance enables the IT manager to check on the location and state…
A scientific expedition team is using laptops for their work. The temperatures where the scientists are working range from -13 degrees Fahrenheit (-25 degree Celsius) to 80 degrees Fahrenheit (27…
Which task should be part of a hardware maintenance routine? Update virus definition files. Check for and secure any loose cables. Review security updates. Adjust the monitor for optimum resolution.…
A user has opened a ticket that indicates that the computer clock keeps losing the correct time. What is the most likely cause of the problem? The CMOS battery is…