Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

Will it damage my LCD screen if I display a stream of continuously changing randomly colored pixels, at the monitor's refresh rate, for a long time? As in, will it damage it any more than displaying a more coherent image?

share|improve this question
up vote 3 down vote accepted

Not, as far as I can tell. If anything, the opposite of this (displaying a static image) is more harmful to displays: this is called screen burn-in.

screen burn-in example (from that Wikipedia article)

share|improve this answer
Thanks for the answer :) – Thomas May 30 '12 at 11:10

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.