It sounds like a graphics card driver issue to me. The graphics driver is
loaded when you boot. When you re-installed it was configured to work with
whatever driver was loaded at the time and it worked. When it was re-booted
may have loaded in another graphics driver and the config files no longer
work. I have seen this with Nvidia cards and the Nouveau open source
driver being defaulted to at boot time and you need the proprietary driver
to make the compositor work. The solution was to remove Nouveau and replace
it with the proprietary driver. However, I have also seen this go badly and
not be able to get anything afterwards because the Nvidia driver was
not configured properly. Then you have to boot into Recovery Mode and fix
it. I would also try to install another desktop environment and see if it
works. Some simpler ones such as XFCE of LXDE do not require the more
complicated setup of a composited window manager and will work just fine.
This is good for fixing problems. You can switch between them at log in
using the Session Manager button.
If you do NOT have Nvidia then this is not likely your problem. I have not
seen this with Intel or ATI which are better supported in the kernel. There
are other things that it could be.
I would also give consideration to using Mint 13 which is LTS. Mint 12
expires next spring. You get the newer kernel and drivers and more support
(5 years).
Roy
Using Kubuntu 12.04, 64-bit
Location: Canada
On 9 July 2012 04:13, Robert C Wittig <wittig.robert@sbcglobal.net> wrote:
> **
>
>
> On 7/8/2012 4:18 PM, g627958 wrote:
> > Help, I am definitely a newbie. installed Linux Mint 12, but there are
> no task bars or
> > start menu in view. Re-installed and all are in view, great. Logged in
> later and back to no task bar or menu. I have heard of other Linux Mint 12
> users with the same problem.
> >
> > Any thoughts ?
> >
>
> I have seen, on various operating systems, that if you mouse the extreme
> bottom edge of the screed, the start bar or whatever will pop up. In
> such cases, this is so, because there are two options... one to hide the
> bar, so the desktop has less clutter, and the other, set to always show
> the bar.
>
> Check in 'Control Center', 'Look and Feel' or something similar.
>
> --
> http://www.robertwittig.com/
> http://robertwittig.net/
> http://robertwittig.org/
> .
>
>
>
[Non-text portions of this message have been removed]
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