Does your dell monitor flicker?
I'm sure he'd have mentioned it - repeatedly - if it did. Never known such a fussy picky bugger.
I bet if he hears a rattle in his car he strips it down to rectify it. Can't be doing with a rattle, can we?
I once had a nice little single wheel V4 petrol Transit pickup. Ex gas board, and as clean as a shilling it was, a 1969 and this was in 1977 so it was practically new, especially when you compared it to my usual vehicles.
I was driving past Magila Cottages one day when I heard a squeak squeak squeak coming from somewhere under the dash.
It drove me mad that squeak, I spent days trying to find it. It almost killed me too on several occasions because I used to drive with my head below the dash, trying to locate the cause.
Eventually I deduced that it was the heater cowl. Heaters in those days were basically just a radiator that sat in a little tin box near your feet, and the front piece of tin on this one was squeaking.
I couldn't stop it, I wedged bits of fag packet and lolly sticks in the joints, and I even screwed the odd self-tapper into the bits where I wouldn't damage the rad, all to no avail. It continued to squeak.
Finally I could stand it no more, I pulled over to the side of the road, got out and a la Basil Fawlty, told it I was going to give it a damn good thrashing. (Or words to that effect) Then, I got my lump hammer and delivered a tremendous blow right to its fascia, producing a massive dent.
I drove on, glaring at the heater, daring it to make a sound, but it was as quiet as the mouse it had been imitating. What bliss. That showed it who was boss.
About a fortnight later one of the hoses came adrift from the heater sending a cascade of hot water on to my foot. I stopped very quickly and tore off my shoe and sock. There was no real damage, and the hose was easy enough to put back on.
I must have loosened the hose when I hit it with the hammer I reasoned, and the heater squeaked just once, quietly. I think it was agreeing with me.