↓ Transcript
Tickettron 9000:
Date: 07 May 18
Site: 15 miles away
Issue: No picture on Smartboard

Technician: Ah ha! Someone has unplugged your cables from HDMI 1, and put them back into HDMI out. It won't work like that.

Tickettron 9000:
Date: 14 May 18
Site: 15 miles away
Issue: Smartboard doesn't work

Technician: Hmmm... Your cables have been moved again. They have to go in "HDMI 1"... See? These ports up here?

Tickettron 9000:
Date: 21 May 18
Site: You guessed it!
Issue: Problems with Smartboard!

(Picture of cables plugged into HDMI 1, with a note stating "DO NOT USE", written in red, taped over the HDMI out ports.)