I am running the following os image on my pi 3 model b:

Raspbian Buster with desktop and recommended software Image with desktop and recommended software based on Debian Buster Version:September 2019 Release date:2019-09-26 Kernel version:4.19 Size:2541 MB

I am trying to make some modifications to the autostart file to keep the screen from going to sleep by running the command sudo nano ~/.config/lxsession/LXDE/autostar" but there does not exist a folder named lxsession in that directory.

Could it possibly be that there exists an lxsession but it is hidden? Please advise.

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  • For the next time, please don't post pictures of text. Instead paste the text direct into the question :-)
    – Ingo
    Nov 25, 2019 at 20:17

1 Answer 1


If you just want to prevent your Pi from going into sleep mode you could just change lightdm which manages sleep mode.

Go into the config file:

sudo nano /etc/lightdm/lightdm.conf

and add the following line:

xserver-command=X -s 0 dpms

Edit: I just noticed you're probably following a guide for the Raspberry Pi 4 where indeed that directory and file exist. But the Pi 3/3b need another approach if you want to get something into auto start.

Regarding your missing directory I think that you are searching for:


and there you need to create a file which does what you need it to do but I only created .desktop files, so I'm not quite sure what type of file you need.(Probably a .desktop file that executes some command)


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