Wrong DPI settings with Lubuntu DE

[Norwegiandude]

Hello everyone!

I have installed Lubuntu packages on to the basic 12.04 Ubuntu version (upgraded from 11.10), and I'm having trouble getting the DPI to be right. The text is way to big, and using software like libreoffice and software center is troublesome.

I've tried to edit the Xorg.conf file by manually inserting DPI settings, but a reboot doesn't change anything. The Nvidia wallpaper flashes, but the wrong DPI is still there.

Xorg.conf file:

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 295.40  (buildmeister@swio-display-x86-rhel47-04.nvidia.com)  Thu Apr  5 22:33:07 PDT 2012

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 295.33  (buildd@zirconium)  Fri Mar 30 13:38:49 UTC 2012

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: edid, VertRefresh source: edid
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "LGD LP116WH2-TLC1"
    HorizSync       30.0 - 75.0
    VertRefresh     60.0
    Option         "DPMS"
    Option         "UseEdidDpi" "False"
    Option         "DPI" "133 x 138"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "ION LE"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "TwinView" "0"
    Option         "metamodes" "nvidia-auto-select +0+0"
    Option         "UseEdidDpi" "False"
    Option         "DPI" "133 x 138"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

uname -a:

Linux 311C 3.2.0-24-generic #37-Ubuntu SMP Wed Apr 25 08:43:52 UTC 2012 i686 i686 i386 GNU/Linux

And these are the lubuntu packages i have ATM.

lubuntu-core
lubuntu-artwork
lubuntu-artwork-12.04
lubuntu-default-settings
lubuntu-icon-theme
plymouth-theme-lubuntu-logo
plymouth-theme-lubuntu-text

The DPI is perfect with the Unity DE by the way...

Thanks for your help in advance

[Norwegiandude]

Hoping for better results, I installed the Lubuntu 12.04 .iso without much luck. The DPI is fine during install and first startup, but when i install the nVidia proprietary drivers the DPI changes and gets wrong causing big text and icons.

However, I tried to add this to xorg.conf:

"option" "Useediddpi" "false"
"option" "dpi" "92"

That made the text and icons very small after a reboot. I've tried to set the DPI somewhere between what nvidia-settings give me (133 x 139) and 135.09 (using monitor size and this website: http://pxcalc.com/), but no results.

So I'm not sure what DPI is ideal for my laptop monitor...

I would really appreciate your help to solve this mystery!