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I recently installed bpswm and I didnt install it correctly so when I booted I got a black screen. And if I turn my laptop off and on again it boots automatically into bpswm because I had automatic login on. How can I fix this. Thank you

Ali Mohammad
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  • You don't use grub to select your desktop, you select the session (ie. desktop/WM) you'll use at the greeter or DM. You've not provided any OS/release, but if you logout of your DE/WM session, you can select another one. Your settings will dictate what is default; be it the last used, a specific DE/WM etc, and settings relate to unstated OS/release & packages installed. – guiverc Jul 12 '22 at 07:42
  • The problem is I cant do anything except got to grub since it automatically logs in. – Ali Mohammad Jul 12 '22 at 07:45
  • If you've told your system to auto login, that's what happens. Once logged in, you end the session (ie. logout) & return to your greeter & select another session. Depending on details you've not provided (OS/release/product/packages..) that will be the new default; or just for the current session. The system will do whatever you've told it to; currently that's autologin; and the DM selects the DE/WM/session, grub boots the system as it's a boot loader. – guiverc Jul 12 '22 at 07:47
  • Is there nothing i can do? Because I cant log out since all it gives me is a black screen. – Ali Mohammad Jul 12 '22 at 07:48
  • Grub or whatever boot loader you use, can pass some values thru to the booted system, but you've not provided any clues as to your software stack, thus we have no idea what options you have available; do you have a DM installed & setup to run - ie. you can select a new session; we only know what you tell us - currently we don't have know what OS/product/release you're using. – guiverc Jul 12 '22 at 07:50
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    Does this answer your question? How do I set the default desktop environment on 18.04 (Bionic)? – Jorge Eduardo Jul 12 '22 at 07:52
  • I have other desktop environments to go to im currently using xubuntu but Im not sure which version I downloaded it around 2 years ago. – Ali Mohammad Jul 12 '22 at 07:52

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You can enter the TTY by pressing Ctrl+Alt+F3 and then set the desktop environment with the command

sudo update-alternatives --config x-session-manager
Jorge Eduardo
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