Hi,
I used Kubuntu on my laptop, and it worked very well. Now I installed it in my desktop pc, but kwin doesn't work well: when I open a window, its decorations are bigger than the window, but "fisically" the button are at the right place: if I put the cursor about 5 millimetres from the left top edge of the window, the "On all desktops" button becames blue, but it is not under the cursor; same thing with the other buttons.
I have a nvidia fx 5500 graphics card, an intel pentium 4 cpu and 1 gb of ram.
terminal output replacing kwin with itself

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$ kwin --replace
OpenGL vendor string:                   NVIDIA Corporation
OpenGL renderer string:                 GeForce FX 5500/AGP/SSE2
OpenGL version string:                  2.1.2 NVIDIA 173.14.30
Driver:                                 NVIDIA
Driver version:                         173.14.30
GPU class:                              NV30
OpenGL version:                         2.1.2
X server version:                       1.10.4
Linux kernel version:                   3.0
Direct rendering:                       yes                                                                                                                 
Requires strict binding:                no                                                                                                                   
GLSL shaders:                           no                                                                                                                   
Texture NPOT support:                   no                                                                                                                   
kwin(11251) KWin::EffectsHandlerImpl::loadEffect: EffectsHandler::loadEffect : Effect  "kwin4_effect_blur"  is not supported                                 
kwin(11251): Shaders are not supported                                                                                                                       
kwin(11251): Shaders are not supported                                                                                                                       
kwin(11251): Shaders are not supported                                                                                                                       
kwin(11251): Shaders are not supported

terminal output replacing kwin with compiz kde:

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$ compiz --replace                                                                                     
Backend     : kconfig4                                                                             
Integration : true
Profile     : default
Adding plugins
Initializing core options...done
Segmentation Error

i post an image, look at the menu shadows also....

what version of KDE? this is a new clean install, you didn't copy ~/.kde from laptop?
if you turn off composting alt+shift+F12?
if you disable effects?
if you change desktop theme?
resolution in systemsettings equals monitors?

google01103 wrote:what version of KDE? this is a new clean install, you didn't copy ~/.kde from laptop?
if you turn off composting alt+shift+F12?
if you disable effects?
if you change desktop theme?
resolution in systemsettings equals monitors?

thanks for the reply...
it is 4.7.2, I use ubuntu 11.10 oneiric ocelot
i didn't copy it... i installed it right now; afterwards i installed the drivers for the graphics card with jockey-kde and some programs like the language pack, synaptic, wicd, google chrome, bashkaraoke, but the decoration were wrong on the live cd too...
if i disable the effects with alt+shift+f12 it works... but it is ugly...
if i change the desktop theme it doesn't work.
the resolution is 1280x1024


maybe i need to disable one by one all the effects to see which one is the problem...


sorry for my poor english...

p.s. gtk3 applications are more ugly: they seem running on windows 95... oxygen-gtk dowsn't work... i used them with ubuntu (with unity) and they worked...

in the advanced tab for desktop effects in systemsettings does switching from OpenGL to Xrender help?

you could try disabling/enabling the OpenGL options

google01103 wrote:in the advanced tab for desktop effects in systemsettings does switching from OpenGL to Xrender help?

you could try disabling/enabling the OpenGL options

i tried to disable all the effects but, nothing. afterwards i switched to xrender and it works.
i tried to disable some opengl options and it doesn't work.

if i set xrender it works and i can use the effects....

solved, thanks!