Extending the time Ubuntu 12.04 stays open without making the screen go dark

[Colin Law]

On 12 February 2015 at 19:19, Don Parsons <dfp10 at verizon.net> wrote:
> I am using a Dell Inspiron desktop with an LG W40 series monitor.

I don't think that is relevant.
What /is/ relevant is which version of Ubuntu you are using - standard
Ubuntu, Lubuntu, Xubuntu, Kubuntu etc.

By the way please quote the previous message so that each post makes sense.

Colin