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I've an old Dell Inspiron 8600 and it doesn't support PAE so I installed ubuntu-16.04.6-desktop-i386 on it via forcepae. (you will probably ask me why are you don't use something like Lubuntu,because I need this version for some reason.), after authentication my screen will be orange or yellow or sometimes white, and nothing else.

In terminal (CTRL+ALT+F1) I also checked Compiz, but it's not works either ! any idea ?

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  • Did you verify your install media? Lubuntu 16.04 LTS is past EOL as flavors of Ubuntu come with only 3 years support, so all 16.04 flavors are EOL except for Kylin & main-Ubuntu 16.04 LTS. I have no idea what you mean by orange or yellow page, so a picture may help, or details as to your video card (ie. sudo lshw -C video which lists-hardware of class=video).
    – guiverc
    Jul 24, 2019 at 13:19
  • Not sure why the freeze tag is being using with the question. The system isn't frozen nor is this about freeze / thaw which is akin to suspend / resume. Jul 24, 2019 at 14:45
  • If Dell 8600 doesn't support PAE, why do you use forcepae? When you used forcepae, did you use forcepae, or forcepae --forcepae?
    – heynnema
    Jul 24, 2019 at 15:01

1 Answer 1

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This just happened to me today and seems to happen about once a month.

In my ~/.bashrc I've created a function called xreset which I can blindly type after opening a terminal with Ctrl+Alt+T:

xreset () {

    # Reset xrandr to normal, first use: xrandr | grep " connected "
    # HDMI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 1107mm x 623mm
    # eDP-1-1 connected primary 1920x1080+3840+2160 (normal left inverted right x axis y axis) 382mm x 215mm
    # DP-1-1 connected 3840x2160+1920+0 (normal left inverted right x axis y axis) 1600mm x 900mm
    xrandr --output HDMI-0  --mode 1920x1080 --pos 0x0       --rotate normal \
           --output eDP-1-1 --mode 1920x1080 --pos 3840x2160 --rotate normal \
           --output DP-1-1  --mode 3840x2160 --pos 1920x0    --rotate normal

} # xreset

This script is also handy the odd time when monitor positions get mixed up in Ubuntu.

For your own version first type xrandr | grep " connected" to get your setup:

$ xrandr | grep " connected"
HDMI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 1107mm x 623mm
eDP-1-1 connected primary 1920x1080+3840+2160 (normal left inverted right x axis y axis) 382mm x 215mm
DP-1-1 connected 3840x2160+1920+0 (normal left inverted right x axis y axis) 1600mm x 900mm

For simplicity sake lets assume you only have one 1920x1080 monitor positioned at x=0 and y=0 called HDMI-0 above. Edit your ~/.bashrc and insert these lines:

xreset () {
    xrandr --output HDMI-0  --mode 1920x1080 --pos 0x0       --rotate normal     
}

Now the command (technically called a function) is available the next time you open a terminal. To make it available in the currently opened terminal type . ~/.bashrc. If you are already in the ~ directory (your home) you can simply type . .bashrc (note the space after first ".").

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