Ciao a tutti,
dopo aver seguito numerosi how-to su questo argomento e dopo aver fatto una bella ricerca su sto forum sono arrivato a questa conclusione.
Ogni volta l'x mi risponde No screen found voi dite cosa c'entra il crt c'entra perchè nell'erorre mi dice crt failed a me ha fatto pensare che nn vede il mio monitor ok che ha 12 anni ok che è un princeton EO50 15 pollici (sicuramente in pochi la hanno sentita sta marca)ok tutto ma se nn mi parte la tv mi girano le ba....
codice:
# **********************************************************************
# Monitor section
# **********************************************************************

# Any number of monitor sections may be present

Section "Monitor"

    Identifier  "My Monitor"

# HorizSync is in kHz unless units are specified.
# HorizSync may be a comma separated list of discrete values, or a
# comma separated list of ranges of values.
# NOTE: THE VALUES HERE ARE EXAMPLES ONLY.  REFER TO YOUR MONITOR'S
# USER MANUAL FOR THE CORRECT NUMBERS.

    HorizSync   30-70

#    HorizSync	30-64         # multisync
#    HorizSync	31.5, 35.2    # multiple fixed sync frequencies
#    HorizSync	15-25, 30-50  # multiple ranges of sync frequencies

# VertRefresh is in Hz unless units are specified.
# VertRefresh may be a comma separated list of discrete values, or a
# comma separated list of ranges of values.
# NOTE: THE VALUES HERE ARE EXAMPLES ONLY.  REFER TO YOUR MONITOR'S
# USER MANUAL FOR THE CORRECT NUMBERS.

    VertRefresh 50-120

vendorname "Princeton Graphics"
modelname "EO500"
ModeLine "1024x768/70Hz" 75 1024 1048 1184 1328 768 771 777 806  -HSync -VSync
ModeLine "800x600/100Hz" 69.65 800 864 928 1088 600 604 610 640  -HSync -VSync
ModeLine "1024x768/85Hz" 98.9 1024 1056 1216 1408 768 782 788 822  -HSync -VSync
EndSection


# **********************************************************************
# Graphics device section
# **********************************************************************

Section "Device"
### Available Driver options are:-
### Values: [i]: integer, <f>: float, <bool>: "True"/"False",
### <string>: "String", <freq>: "<f> Hz/kHz/MHz"
### [arg]: arg optional
#Option "SWcursor" # [<bool>]
#Option "HWcursor" # [<bool>]
#Option "NoAccel" # [<bool>]
#Option "ShowCache" # [<bool>]
#Option "ShadowFB" # [<bool>]
#Option "UseFBDev" # [<bool>]
#Option "Rotate" # [<str>]
#Option "VideoKey" # [i]
#Option "FlatPanel" # [<bool>]
#Option "FPDither" # [<bool>]
#Option "CrtcNumber" # [i]
Identifier "NV AGP TwinView"
Driver "nvidia"
VendorName "nVidia Corporation"
BoardName "Geforce fx 5700"
BusID "PCI:1:0:0"
Option "TwinView"
Option "SecondMonitorHorizSync" "31-82"
Option "SecondMonitorVertRefresh" "55-120"
Option "TwinViewOrientation" "Clone"
Option "MetaModes" "1024x768,1024x768;800x600,800x600"
Option "TVStandard" "PAL-G"
EndSection

# **********************************************************************
# Screen sections
# **********************************************************************
Section "Screen"
Identifier "Screen AGP TwinView"
Device "NV AGP TwinView"
Monitor "My Monitor"
DefaultColorDepth 24
SubSection "Display"
Depth 1
EndSubSection
SubSection "Display"
Depth 4
EndSubSection
SubSection "Display"
Depth 8
EndSubSection
SubSection "Display"
Depth 15
EndSubSection
SubSection "Display"
Depth 16
EndSubSection
SubSection "Display"
Depth 24
EndSubSection
EndSection
# **********************************************************************
# ServerLayout sections.
# **********************************************************************

# Any number of ServerLayout sections may be present.  Each describes
# the way multiple screens are organised.  A specific ServerLayout
# section may be specified from the X server command line with the
# "-layout" option.  In the absence of this, the first section is used.
# When now ServerLayout section is present, the first Screen section
# is used alone.

Section "ServerLayout"

# The Identifier line must be present
    Identifier "XFree86 Configured"


# Each Screen line specifies a Screen section name, and optionally
# the relative position of other screens.  The four names after
# primary screen name are the screens to the top, bottom, left and right
# of the primary screen.  In this example, screen 2 is located to the
# right of screen 1.

Screen "Screen AGP TwinView"
Io avevo provato così ditemi voi come posso metterlo a posto per bene