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I have Backtrack 5R2 KDE. The error resulted from a hard-reset (hard-reboot). After that, I cannot load the KDE manager when I enter the startx command after logging in.

Whenever I do a startx command (as root), the result resembles the following:

enter image description here

This is not the actual output (I just drew this with MS paint because I cannot do a printscreen). The screen is just black with the icon in the upper left corner. The other pop-up menu appears when left-clicking the mouse.

I tried the cp xorg.conf.failsafe xorg.conf advice from other websites with no luck.

I have also tried the 'reconfigure option(s)' form the recovery mode with no success.

============ UPDATE ===============

Here is an excerpt of /var/log/Xorg.0.log:

(EE) [drm] failed to open device
(EE) VESA: Kernel modesetting driver in use, refusing to load
(WW) Falling back to old probe method for vesa
(II) Loading sub module "fbdevhw"
(II) LoadModule: "fbdevhw"
(II) Loading /usr/lib/xorg/modules/linux/libfbdevhw.so
(II) Module fbdevhw: vendor="X.Org Foundation"
  compiled for 1.7.6, module version = 0.0.2
  ABI class: X.Org Video Driver, version 6.0

...
(EE) FBDEV(0): FBIOPUTCMAP: Invalid argument
(EE) FBDEV(0): FBIOPUTCMAP: Invalid argument
(EE) FBDEV(0): FBIOPUTCMAP: Invalid argument
(EE) FBDEV(0): FBIOPUTCMAP: Invalid argument
(EE) FBDEV(0): FBIOPUTCMAP: Invalid argument
...
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Were you root when you ran the command? What's the diff? –  bb010g Dec 18 '12 at 5:00
    
Yeah. Actually I did mention running startx as root. –  WikiWitz Dec 18 '12 at 5:16
    
The cp command; sorry. Can you diff the lousy conf with the failsafe conf and put that here? –  bb010g Dec 18 '12 at 5:39
    
# diff xorg.conf.renamed xorg.conf.failsafe_renamed returns nothing. –  WikiWitz Dec 18 '12 at 8:23
    
That means the issue is due to the differences between normal and recovery mode. –  bb010g Dec 18 '12 at 15:28

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