axei alguns dados técnicos do monitor, talvez possa ajudar:
MONITOR LCD 19 PROVIEW PRETO -XP911AW WIDE Modelo XP-911AW Tamanho 19" Cor Preto Resolução Máxima 1440 x 900 @ 75 Hz Área Ativa do Display 150 (H) x 140 (V) Pixel Pitch 0.2835 x 0.2835 mm Cores Display 16.7 Milhões Taxa de Contraste 850:1 Luminância do Branco 300 cd/m2 Largura de banda 135 MHz Tempo de Resposta 5 ms FREQÜÊNCIA DE VARREDURA Freqüência Horizontal 31-81 KHz Freqüência Vertical 56-75 Hz CONSUMO DE ENERGIA Voltagem AC 100 ~240 V, 50-60 Hz Consumo 60 W (Máx) On < 48 W Sleep Mode < 2 W Off < 2 W DIMENSÕES E PESOS Cubagem 2100 Unidades (Carreta 15 m) Dimensão Cx. Individual 520(C) x 141(L) x 485(A) mm Dimensão Cx. Coletiva 531(C) x 434(L) x 499(A) mm Dimensão do Produto 457.6(C) x 210(L) x 370.3(A) mm Peso Bruto 5.7Kg Peso Líquido 4.3Kg SINAIS DE ENTRADA Entrada de Áudio 1 Entrada Vídeo VGA 1 Conector de Entrada D-Sub 15 Pinos
______________________________________________________________________
meu xorg que tentei fazer:
# xorg.conf (X.Org 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 xorg.conf manual page.
# (Type "man 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 "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "XkbRules" "xorg"
Option "XkbModel" "abnt2"
Option "XkbLayout" "br"
Option "XkbOptions" "lv3:ralt_switch"
EndSection
Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
EndSection
Section "Device"
Identifier "Configured Video Device"
Driver "i915"
Option "ModeValidation" "NoDFPNativeResolutionCheck"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Proview"
ModelName "XP 911aw"
HorizSync 30-150
VertRefresh 48-140
EndSection
Section "Screen"
Identifier "Default Screen"
Monitor "Monitor0"
Device "Configured Video Device"
SubSection "Display"
Depth 24
Modes "1440x900" "1024x768" "800x600" "640x480"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
EndSection