Mac OS X Lion doesn't come with a "black screen" screensaver. Where can I get a screensaver that works with Lion and blanks the screen?
Assuming it also works for Lion (which I can't test), I uploaded this for you, you can download the screen saver file here.
If you want to do it manually, do it like this:
And there you go, a simple black screensaver.
Alternatively, you could of course just put the monitor to sleep, or let it display a folder of pictures, which only has one black picture inside.
Simple is best for me.
Place this flat black image in a folder and set that folder as your screensaver source for the Classic screensaver style.
Just get this one, it worked fine for me on 10.6 and now on 10.7:
protected by Community♦ Sep 12 '12 at 19:31
Thank you for your interest in this question.
Because it has attracted low-quality answers, posting an answer now requires 10 reputation on this site.
Would you like to answer one of these unanswered questions instead?