Già provato...è X sicuramente, però non capisco cosa abbia...se lo chiudo funziona tutto perfettamente! Lo Xorg.conf dovrebbe andare bene...lo posto cmq:

Codice PHP:
# /etc/X11/xorg.conf (xorg X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the /etc/X11/xorg.conf manual page.
# (Type "man /etc/X11/xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
#   sudo dpkg-reconfigure -phigh xserver-xorg

Section "ServerLayout"
    
Identifier     "Default Layout"
    
Screen         "Default Screen" 0 0
    InputDevice    
"Generic Keyboard"
    
InputDevice    "Configured Mouse"
    
Option         "DontVTSwitch" "False"
#    InputDevice    "stylus" "SendCoreEvents"
#    InputDevice    "cursor" "SendCoreEvents"
#    InputDevice    "eraser" "SendCoreEvents"
EndSection

Section 
"Files"

        
# path to defoma fonts
    
FontPath    "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
    
FontPath        "/usr/share/X11/fonts/misc"
    
FontPath        "/usr/share/X11/fonts/100dpi:unscaled"
    
FontPath        "/usr/share/X11/fonts/75dpi:unscaled"
    
FontPath        "/usr/share/X11/fonts/Type1"
    
FontPath        "/usr/local/share/fonts"
EndSection

Section 
"Module"

#   Load           "GLcore"
    
Load           "bitmap"
    
Load           "dbe"
    
Load           "ddc"
    
Load           "dri"
    
Load           "extmod"
    
Load           "freetype"
    
Load           "glx"
    
Load           "int10"
    
Load           "record"
    
Load           "type1"
    
Load           "vbe"
EndSection

Section 
"InputDevice"
    
Identifier     "Generic Keyboard"
    
Driver         "kbd"
    
Option         "CoreKeyboard"
    
Option         "XkbRules" "xorg"
    
Option         "XkbModel" "pc101"
    
Option         "XkbLayout" "it"
EndSection

Section 
"InputDevice"
    
Identifier     "Configured Mouse"
    
Driver         "mouse"
    
Option         "CorePointer"
    
Option         "Device" "/dev/input/mice"
    
Option         "Protocol" "ExplorerPS/2"
    
Option         "ZAxisMapping" "4 5"
EndSection

#Section "InputDevice"

                                                      # /dev/input/event
                                                      # for USB
#    Identifier     "stylus"
#    Driver         "wacom"
#    Option         "Device" "/dev/wacom"          # Change to 
#    Option         "Type" "stylus"
#    Option         "ForceDevice" "ISDV4"               # Tablet PC ONLY
#EndSection

#Section "InputDevice"

                                                      # /dev/input/event
                                                      # for USB
#    Identifier     "eraser"
#    Driver         "wacom"
#    Option         "Device" "/dev/wacom"          # Change to 
#    Option         "Type" "eraser"
#    Option         "ForceDevice" "ISDV4"               # Tablet PC ONLY
#EndSection

#Section "InputDevice"

                                                      # /dev/input/event
                                                      # for USB
#    Identifier     "cursor"
#    Driver         "wacom"
#    Option         "Device" "/dev/wacom"          # Change to 
#    Option         "Type" "cursor"
#    Option         "ForceDevice" "ISDV4"               # Tablet PC ONLY
#EndSection

Section "Monitor"
    
Identifier     "Monitor Generico"
    
HorizSync       28.0 90.0
    VertRefresh     43.0 
85.0
    Option         
"DPMS"
EndSection

Section 
"Device"
    
Identifier     "NVIDIA Corporation NV41.0"
    
Driver         "nvidia"
EndSection

Section 
"Screen"
    
Identifier     "Default Screen"
    
Device         "NVIDIA Corporation NV41.0"
    
Monitor        "Monitor Generico"
    
DefaultDepth    24
    Option         
"AllowGLXWithComposite" "1"
    
Option         "RenderAccel" "True"
    
Option         "Coolbits" "1"
    
SubSection     "Display"
        
Depth       1
        Modes      
"1024x768" "800x600" "640x480"
    
EndSubSection
    SubSection     
"Display"
        
Depth       4
        Modes      
"1024x768" "800x600" "640x480"
    
EndSubSection
    SubSection     
"Display"
        
Depth       8
        Modes      
"1024x768" "800x600" "640x480"
    
EndSubSection
    SubSection     
"Display"
        
Depth       15
        Modes      
"1024x768" "800x600" "640x480"
    
EndSubSection
    SubSection     
"Display"
        
Depth       16
        Modes      
"1024x768" "800x600" "640x480"
    
EndSubSection
    SubSection     
"Display"
        
Depth       24
        Modes      
"1024x768" "800x600" "640x480"
    
EndSubSection
EndSection

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