erro ao definir a resolução correta depois de instalar os drivers da Nvidia 340

Question

Eu tenho o Ubuntu 14.04 e instalei o driver recomendado para a Nvidia, mas a resolução ainda é 1360x768, e eu preciso mudar para 1920x1080

aqui está o driver que eu instalei

ValoresdeXrandrabaixo

mohamed@mohamed-Work:~$xrandrScreen0:minimum8x8,current1360x768,maximum8192x8192DVI-I-0connectedprimary1360x768+0+0(normalleftinvertedrightxaxisyaxis)0mmx0mm1024x76860.0+1360x76860.0*59.81152x86460.0800x60072.260.356.2680x38460.059.8640x48059.9512x38460.0400x30072.2320x24060.1DVI-I-1disconnected(normalleftinvertedrightxaxisyaxis)DP-0disconnected(normalleftinvertedrightxaxisyaxis)DP-1disconnected(normalleftinvertedrightxaxisyaxis)DP-2disconnected(normalleftinvertedrightxaxisyaxis)DP-3disconnected(normalleftinvertedrightxaxisyaxis)

oquefizfoicriarumnovomodocomoeste

xrandr--newmode"1920x1080"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync

adicionando novo modo como este

xrandr --addmode DVI-I-0 1920x1080_60.00

mas recebi um erro abaixo de

mohamed@mohamed-Work:~$ xrandr --addmode DVI-I-0 1920x1080_60.00
X Error of failed request:  BadMatch (invalid parameter attributes)
  Major opcode of failed request:  140 (RANDR)
  Minor opcode of failed request:  18 (RRAddOutputMode)
  Serial number of failed request:  33
  Current serial number in output stream:  34

e meu arquivo xorg.conf listado abaixo

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 331.20  (buildd@roseapple)  Mon Feb  3 15:07:22 UTC 2014

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
    Option         "Xinerama" "0"
EndSection

Section "Files"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"
    # HorizSync source: builtin, VertRefresh source: builtin
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "CRT-0"
    HorizSync       30.0 - 83.0
    VertRefresh     56.0 - 75.0
    ModeLine       "1920x1200_60.00"  193.25  1920 2056 2256 2592  1200 1203 1209 1245 -hsync +vsync
    ModeLine       "1920x1080_60.00"  173.00  1920 2048 2248 2576  1080 1083 1088 1120 -hsync +vsync
    ModeLine       "1360x768" 72.000 1360 1408 1440 1520 768 771 781 790 +hsync -vsync
    ModeLine       "1152x864" 81.620 1152 1216 1336 1520 864 865 868 895 -hsync +vsync
    ModeLine       "800x600" 50.000 800 856 976 1040 600 637 643 666 +hsync +vsync
    ModeLine       "680x384" 36.000 680 704 720 760 384 385 390 395 +hsync -vsync doublescan
    ModeLine       "640x480" 25.175 640 656 752 800 480 490 492 525 -hsync -vsync
    ModeLine       "512x384" 32.500 512 524 592 672 384 385 388 403 -hsync -vsync doublescan
    ModeLine       "400x300" 25.000 400 428 488 520 300 318 321 333 +hsync +vsync doublescan
    ModeLine       "320x240" 12.587 320 328 376 400 240 245 246 262 -hsync -vsync doublescan
    ModeLine       "nvidia-auto-select" 65.000 1024 1048 1184 1344 768 771 777 806 -hsync -vsync
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "Quadro FX 1800"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "nvidiaXineramaInfoOrder" "CRT-0"
    Option         "metamodes" "1920x1080"
    Option         "SLI" "Off"
    Option         "MultiGPU" "Off"
    Option         "BaseMosaic" "off"
    Option "ModeValidation" "AllowNonEdidModes, NoVirtualSizeCheck, NoMaxPClkCheck, NoWidthAlignmentCheck, NoExtendedGpuCapabilitiesCheck"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

    

Answer 1

Eu encontrei uma solução neste

Abra o arquivo xorg.conf assim

sudo nano /etc/X11/xorg.conf

edite o dispositivo de seção como no link acima