Common Problems

TIP

This page collects a small selection of frequently asked questions and solutions to them from deepin forum. For excerpting from individual posts, the feasibility of solutions is not guaranteed.

Enable Treeland

Run the following commads in deepin-terminal

sudo apt update && sudo apt install treeland
sudo systemctl enable ddm -f
sudo reboot

Disable Treeland

Run the following commads in deepin-terminal

sudo systemctl disable ddm.service
sudo systemctl enable lightdm.service

Or press super + L to enter the lock screen. Click the menu button in the lower right corner, and you can return to the default mode, which will automatically restart to LightDM.

The terminal outputs su: identifies the fault after running su commad.

Use the sudo su command instead.

Change the category of an application in launchpad

Use dde-file-manager to open the directory /user/share/applications. Right-click on the blank place, finding and clicking "open in terminal" in the menu. Then input sudo deepin-editor xxx.desktop (xxx is the application name) in terminal and modify the field after the Categories=.