Edge of screen is "cut off"

[Leifx]

Hey guys, after a few apt-get updates, and editing my /etc/default/grub (to suit the nvidia card, optimus tech), my screen has become cut off on the right and replaced back over on the left... its weird, i would post a screen shot, but ksnapshot takes a normal looking screen shot.. hmmm

Anyways, heres a few outputs of configs to have a quick read over to see if anything is causing the problem.

xorg.conf

# bare-bones XFree86 config to start the server in probe-only mode
Section "Files"
	FontPath	"/usr/share/X11/fonts/misc"
	RgbPath		"/etc/X11/rgb.txt"
EndSection
Section "ServerFlags"
	Option "AllowMouseOpenFail"
EndSection
Section "Module"
	Load	"bitmap"
	Load	"dbe"
	Load	"ddc"
	Load	"extmod"
	Load	"freetype"
	Load	"int10"
	Load	"record"
	Load	"vbe"
EndSection
Section "InputDevice"
	Identifier	"Generic Keyboard"
	Driver		"keyboard"
	Option		"CoreKeyboard"
	Option		"XkbRules"	"xorg"
	Option		"XkbModel"	"pc104"
	Option		"XkbLayout"	"us"
EndSection
Section "InputDevice"
	Identifier	"Generic Mouse"
	Driver		"mouse"
	Option		"CorePointer"
	Option		"Device"		"/dev/input/mice"
	Option		"Protocol"		"ImPS/2"
EndSection
Section "Device"
	Identifier	"Generic Device"
	Driver		"Generic Driver"
EndSection
Section "Monitor"
	Identifier	"Generic Monitor"
	Option		"DPMS"
EndSection
Section "Screen"
	Identifier	"Default Screen"
	Device		"Generic Device"
	Monitor		"Generic Monitor"
	DefaultDepth	24
	SubSection "Display"
		Depth		1
		Modes		"1336x768"
	EndSubSection
	SubSection "Display"
		Depth		4
		Modes		"1024x768"
	EndSubSection
	SubSection "Display"
		Depth		8
		Modes		"1024x768"
	EndSubSection
	SubSection "Display"
		Depth		15
		Modes		"1024x768"
	EndSubSection
	SubSection "Display"
		Depth		16
		Modes		"1024x768"
	EndSubSection
	SubSection "Display"
		Depth		24
		Modes		"1024x768"
	EndSubSection
EndSection
Section "ServerLayout"
	Identifier	"Default Layout"
	Screen		"Default Screen"
	InputDevice	"Generic Keyboard"
	InputDevice	"Generic Mouse"
EndSection

/etc/default/grub

# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.

GRUB_DEFAULT=0
#GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="text video=i915:modeset=1 i915.i915_enable_rc6=1 i915.lvds_downclock=1 i915.$
GRUB_CMDLINE_LINUX=""

# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console

# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
GRUB_GFXMODE=1336x768

# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true

# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_LINUX_RECOVERY="true"

# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"