Ubuntu Change screen resolution

After installing Ubuntu found that the resolution is not appropriate, usually used to look at a smaller text, so search for the screen resolution to modify the command, the specific operation is as follows:

1. First use the xrandr command to see the current system supported resolutions

[Email protected]:~$ xrandrscreen0: Minimum theX $, current1024x768X768, maximum8192X8192VGA-1Connected Primary 1024x768+0+0(normal left inverted right x axis y axis) 0mm x 0mm 1024x76860.00* the0x60060.3256.25848x48060.00 -0x48059.94HDMI-1disconnected (normal left inverted right x axis y axis) HDMI-2Disconnected (normal left inverted right x axis y axis)

The back with the * number is your current resolution

2. I've used the 1440x900 resolution before this screen, so use the CTV command to generate a detailed resolution

1440  the # 144 0x900 59.89 1 55.93 106.50  "1440x900_60.00"106.501440 1528  16721904903909934 -hsync +vsync

3. Then continue to create a new resolution with the Xrandr--newmode command, the newly created resolution is the string following the modeline generated above

" 1440x900_60.00 " 106.50 1440 1528 1672 1904  the 903 909 934 -hsync +vsync

4. Add the new resolution above with the xrandr--addmode command to the resolution list

[Email protected]:~$ xrandr--addmode vga-1"1440x900_60.00"

Note that the following 60 refers to the screen refresh rate

5. Finally output the resolution you want with the Xrandr--output command

[Email protected]:~$ xrandr--output vga-1"1440x900_60.00"

Seems to have succeeded, but when you restart will find that the resolution will revert back to the original, so on the internet search, found the following methods:

In the terminal input command:

$sudo gedit/etc/x11/xorg.conf

Then paste the following script and save

Section"Monitor"Identifier"configured Monitor"Modeline"1024x768_60.00" 63.50 1024x768 1072 1176 1328 768 771 775 798-hsync +Vsyncmodeline"1440x900_60.00" 106.50 1440 1528 1672 1904  the 903 909 934-hsync +vsyncoption"Preferredmode" "1440x900_60.00"endsectionsection" Screen"Identifier"Default Screen"Monitor"configured Monitor"Device"configured Video Device"endsectionsection"Device"Identifier"configured Video Device"endsection

Reboot again is OK!

Ubuntu Change screen resolution