If you have installed multiple systems and want to prioritize deepin as a startup item, or if you encounter the problem that the default startup item is changed to "System Recovery" and in some cases the default startup item cannot be changed in the Control Center, you may want to take a look at this tutorial. This tutorial was contributed by deepin community users Peng Ziming and hotime, and provides 2 solutions, the following is based on deepin V23 Beta2.   Using Grub Customizer 1. Install Grub Customizer deepin V20 can be obtained from the app store, and deepin V23 ...Read more