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HowTo – recover black KDE desktop after upgrade

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HowTo – recover KDE desktop after upgrade
Problem – After reinstall PClinuxOS 2012.08 I got a black screen. I did not reformat the home partition as I did not want to loose all my settings and email. Apparently the new install set the root KDE settings correct but not my home KDE settings. I found the repair on the KDE forum –

Re: upgrade to KDE 4.5 : Black screen – only for account vlaporte
Sat Dec 11, 2010 3:26 pm – KDE forums
It could be that you have compositing enabled but it refuses to work properly.
This is the correct fix.

Try editing
from root account (which still workd fine and newuser account also works fine)
in a console without kde running, and look for the section with "[Compositing]"
If you find something like
(or in my case just login as root and open the file with kedit)

{change to false}

restart and login - as vlaporte – now KDE desktop works fine
Vince (vlaporte)

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