Lock screen turns off display after 15 seconds, how to change it?

[OpenSourceFan]

On 09.11.2013 19:28, OpenSourceFan wrote:
> Lock screen turns off display after 15 seconds, how to change it?
>
LOL: You brainstorming in the list but no reply to this problem? How can
you brainstorm if you can't even solve this.

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