Lost ALT-buttons functionnality in KDE

[Hasse]

Hi.
A rather weird problem occurred on my desktop after a reboot .
Lost the functionality of both my keyboards ALT-buttons.
This is happening in KDE. Before starting X, no problems.
( No changes made to XF86Config by me. )
Any clues ?
--------
> uname -a
FreeBSD thor.swedehost.com 4.8-STABLE FreeBSD 4.8-STABLE #0: Wed Jun 11 
22:24:00 CEST 2003     root at thor.swedehost.com:/usr/obj/usr/src/sys/THOR  
i386
------------
thor# cat /etc/X11/XF86Config
Section "ServerLayout"
        Identifier     "Layout0"
        Screen      0  "Screen0" 0 0
        InputDevice    "Keyboard0" "CoreKeyboard"
        InputDevice    "Mouse0" "CorePointer"
EndSection

Section "Files"
EndSection

Section "Module"
        Load  "xie"
        Load  "pex5"
        Load  "glx"
        Load  "dri"
        Load  "dbe"
        Load  "record"
        Load  "extmod"
        Load  "type1"
EndSection

Section "InputDevice"
        Identifier  "Mouse0"
        Driver      "mouse"
        Option      "Protocol" "auto"
        Option      "Device" "/dev/sysmouse"
        Option      "ZAxisMapping" "4 5"
        Option      "Buttons" "5"
EndSection

Section "InputDevice"
        Identifier  "Keyboard0"
        Driver      "keyboard"
        Option      "XkbModel" "microsoft"
        Option      "XkbLayout" "se"
EndSection

Section "Monitor"
        Identifier   "Monitor0"
        HorizSync    30.0 - 96.0
        VertRefresh  50.0 - 160.0
EndSection

Section "Device"
        Identifier  "Card0"
        Driver      "nv"
        ChipSet     "GeForce4 MX 440"
        Card        "nv GeForce4 MX 440"
EndSection

Section "Screen"
        Identifier "Screen0"
        Device     "Card0"
        Monitor    "Monitor0"
        DefaultDepth     24
        SubSection "Display"
                Depth     24
                Modes    "1024x768"
        EndSubSection
EndSection
-- 
Regards
   Hasse