[kde] KDE on lenovo R61

Hi all!

I am facing a problem with Qt, i guess, on Lenovo R61.
What the problem?

When I install KDE, it is almost not usable. When I run some app it is
starting in short time, and it working fine. But after minimization it
to tray/panel, and trying to maximize it, I have to wait for 2-3 sec
until whole window is drawn on the screen. Sometimes it border appears
at the end, sometimes whole window looks like it was cut from desktop or
other window, and after 2-3 sec it is usable.
My machine isn't monster of speed, so I tried:
-disable desktop effects - no difference
-change windows decorations - no difference
-disable kwin, enable compiz instead - no difference

What is strange: when I run some QT apps on gnome, I have the same
problems and few more (wind is not refreshing, context menu isn't
displayed properly)

I have:
2,5 GB of RAM
nVidia G84M [Quadro NVS 148M]
Intel core 2 Duo 2,1 Ghz
Fedora 14
KDE 4.5
2.6.34.7-66 kernel
nVidia 173xx driver



But I think that kernel driver isn't a case here, I have this problem
since 2 years, but now I am really eager to resolve it.

Gnome is working smoothly, i am using it every day. I wanted to try some
other distro to check it is Fedora specific problem, but I have to many
data on this computer to check this :(


Some one have similar problem on this hardware configuration and
resolved it?

--
Best regards
grzebia
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