> Here's the trick: Don't ask "Are you sure it's plugged in correctly?"
> If you do this, they will get all insulted and say indignantly, "Of course it is! Do I look like an idiot?" without actually checking.
> Instead, say "Okay, sometimes the connection gets a little dusty and the connection gets weak. Could you unplug the connector, blow into it to get the dust out, then plug it back in?"
> They will then crawl under the desk, find that they forgot to plug it in (or plugged it into the wrong port), blow out the dust, plug it in, and reply, "Um, yeah, that fixed it, thanks."
https://blogs.msdn.microsoft.com/oldnewthing/20040303-00/?p=...
> Here's the trick: Don't ask "Are you sure it's plugged in correctly?"
> If you do this, they will get all insulted and say indignantly, "Of course it is! Do I look like an idiot?" without actually checking.
> Instead, say "Okay, sometimes the connection gets a little dusty and the connection gets weak. Could you unplug the connector, blow into it to get the dust out, then plug it back in?"
> They will then crawl under the desk, find that they forgot to plug it in (or plugged it into the wrong port), blow out the dust, plug it in, and reply, "Um, yeah, that fixed it, thanks."