Sounds like staff I have working here.
When I was on helpdesk.
"Can you turn it off and on again." Me
"Done that. but the same message is on the screen." Colleague.
"Did you press the power button and the screen go black?" Me
I got up and walked across to her desk.
"Can you show me which button you pressed?" She turned off the monitor.
"No that is the monitor, the PC is under the desk."
"Hi, I have a message saying the network cable is unplugged." Colleague.
"Can you check that cables are plugged into the back, are any lying on the floor?" Me,
"Well I accidentally kicked them out, will that matter." Colleague.
"Did you plug them back in after kicking them out?" Me