black screen

[Clay Weber]

The black screen is because plasma-desktop, which is what powers the panel, menus, background, etc had crashed or didn't start. Does running the command "plasma-desktop" from the alt-f2 bring every thing back?

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------Original Message------
From: Errol Sapir <errol at tzora.co.il>
To: "Kubuntu user technical support" <kubuntu-users at lists.ubuntu.com>
Date: Thursday, October 11, 2012 1:37:34 AM GMT+0200
Subject: Re: black screen

Tried that to no avail. I think the problem is one of the settings of 
the desktop because if I go into "repair" mode and then go to command 
line and type startx, the gui desktop comes up. It isn't "my" desktop, 
just an empty plain gui KDE desktop. When login in "normally" the 
desktop starts to appear after typing my password and then goes black. 
It is though a black cover has been formed over the desktop because all 
the programs work with ALT/F2 and the typing the name of the program. 
All this time the mouse curser is visible and is movable but clicking 
anywhere on the screen does nothing until I use ALT/F2 and then I can 
type in the name of any program and click on the list that appears to 
operate the program. The mouse and keyboard work perfectly on any 
program opened.
There is also no panel visible at any time and if I minimize a program 
it disappears "under" the black screen.
Errol

On 10/10/2012 02:22 AM, Basil Chupin wrote:
> On 10/10/12 10:57, Errol Sapir wrote:
>> Thanks for the info utek and Miriam. I tried that but that doesn't
>> seem to be the problem. The plasma-desktop goes black when logging in.
>> Black (with nothing else visible on the screen) seem to have become
>> the default colour, "covering" everything on the old desktop. I have
>> gone into display and changed themes to no avail.
>> As I said I can operate anything from "run", including settings, and
>> basically any program I type in. They all come up as they did before
>> this problem arose.
> [...........]
>
>   When logging in, before typing in your password, click on the
> 'spanner' tool and select plasma desktop and then finish logging in.
> There is a quirk which fails to start the plasma desktop when you have
> upgraded KDE but after you do what I just suggested the problem disappears.
>
> BC
>

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