ubuntu 8.4 ATI mobility radeon 2600hd

Хай! поставил дроова через ENVY изоброжение значительно улучшилось и поменялось разрешение....все вроди бы норм но пи нажатии например ALT+TAB сразу заметны косяки. плз гляньте прописались ли дрова в файл
Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
Defaultdepth 24
EndSection

Section "Device"
Identifier "Configured Video Device"
Driver "fglrx"
Option "VideoOverlay" "on"
Option "OpenGLOverlay" "off"
EndSection

Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "us,ru"
Option "XkbVariant" ",winkeys"
Option "XkbOptions" "grp:alt_shift_toggle,grp_led:scroll"
EndSection

Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
EndSection

Section "InputDevice"
Identifier "Synaptics Touchpad"
Driver "synaptics"
Option "SendCoreEvents" "true"
Option "Device" "/dev/psaux"
Option "Protocol" "auto-dev"
Option "HorizEdgeScroll" "0"
EndSection

Section "ServerLayout"
Identifier "Default Layout"
screen "Default Screen"
Inputdevice "Synaptics Touchpad"
EndSection

Section "Monitor"
Identifier "Configured Monitor"
EndSection

Section "Extensions"
Option "Composite" "Enable"
EndSection