Computer Hardware
A keyboard locks up intermittently even when replaced with a new keyboard. What is the LEAST likely cause of the problem?

A second bad keyboard
The keyboard controller chip
The motherboard
The keyboard connector
None of these

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Computer Hardware
Which would you do first when troubleshooting a faulty monitor?

Use a meter to check the CRT and internal circuitry for continuity
Power down the monitor, then turn it on again to see if that corrects the problem
Power down the computer, then turn it on again to see if that corrects the problem
Check its connections to the computer and power source

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