"My screen's dead"

[Feek]

I'm on call

*ring ring*

"Hello"
"Hello Feek, it's John here. My screen's dead"
"OK, completely dead?"
"Yes, I was using it about half an hour ago and it's just gone dead"
"You've tried the usual stuff, pressing the power switch, making sure the power plug is connected and turning it off and on at the wall?"
"I have, I'll do it again" *pause* "It's still dead"
"Right, go into the main office building and grab a screen from there to get you going and I'll get someone to sort you out a replacement on Monday and get it sent up"
"Go and get one?"
"Yes, from the room on the first floor where Nigel has dumped a load of kit"
*longer pause*
"But the green light is on"
"You said it was dead"
"Yes, it's completely dead"
"But the light is on?"
"Aye"

I banged my head on the wall at this point.

"John, turn off the base unit using the switch at the back then turn it back on again"
"Righto matey" *pause* "It's working now, thank you, ta-ra" *click*