display resolution stuck at 1024

[caymahallesi]

hi guys here is my xorg.conf and like to rewrite it so it will let me use 11xx and 1280x1024


Section "Monitor"
# HorizSync source: edid, VertRefresh source: edid
Identifier "Monitor0"
VendorName "Norwood Micro"
ModelName "MT9ANK"
HorizSync 30.0 - 83.0
VertRefresh 56.0 - 76.0
Option "DPMS"
Modeline "1280x1024_60.00" 108.88 1280 1360 1496 1712 1024 1025 1028 1060 -HSync +Vsync
Option "PreferredMode" "1280x1024_60.00"

EndSection

Section "Screen"
Identifier "Default Screen"
Monitor "Configured Monitor"
Device "Configured Video Device"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1280x1024" "1024x768" "800x600"
EndSubSection
EndSection

Section "Module"
Load "glx"
EndSection

Section "Device"
Identifier "Configured Video Device"
Driver "nvidia"
Option "NoLogo" "True"
BusID "PCI:1:0:0"

EndSection

all help will be appreciated.