Diagnosing screen lock problem on Unity?

Lonnie Olson lists at kittypee.com
Wed Jun 26 17:18:49 MDT 2013

Screen locking is actually a function of gnome-screensaver, not Unity.
Check your process list to make sure it's running.
It should autostart if it's installed.  It runs at login via the
/etc/xdg/autostart/gnome-screensaver.desktop file.

At least, that's a possibility why it's not locking...

On Wed, Jun 26, 2013 at 3:44 PM, S. Dale Morrey <sdalemorrey at gmail.com> wrote:
> Ok I'll admit it, I think I like the Unity desktop better than most of the
> others I've played with lately.  I mean I love LXDE because it's
> lightweight and fast, but something about Unity seems to work better for
> me, perhaps because I'm left handed so having the tiles down the left hand
> side just feels a bit more natural.
> One complaint though.  I can't just walk away from my system.  Since
> installing Unity I've not been able to get the screen lock function to
> work.  If I hit ctrl+alt+delete and select lock, nothing happens.  In fact
> I have to shut the lid on my laptop to get lock to work.  That makes no
> sense.
> Can anyone point me in the right direction on how to troubleshoot issues
> with Unity?  I'm guessing there is a log somewhere and that my answer is
> contained in it, but doing a "locate *unity*" returns nothing that looks
> like a log file to me.
> Thanks!
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