My Gigabyte laptop has an excellent LCD display that came almost perfectly calibrated out of the box. It's easy to forget, though, that not all LCD screens are like that. When I got an external monitor at work, for example, it was over-bright, with washed-out colours and poor contrast.
Fortunately, it took only a little bit of calibration to fix the problem. So now I can see lighter greys and richer oranges correctly: