I must have fat-fingered something after a screen save
and now all I get is IceWM X11 as my desktop.
I tried editing displaymanager, but no luck.
I cannot find yast anywhere because it is IceWM.
I just want back my KDE, hopefully without re-installling Leap 42.2
Any help would be appreciated.
Do you get a log in screen? should be able to select from there. Right click desktop to get menu in IceWM
You should still be able to launch YaST from a terminal…
xdg-su -c /usr/sbin/yast2
or edit /etc/sysconfig/displaymanager directly
More info…
https://en.opensuse.org/SDB:Change_Display_Manager
I tried the command “xdg-su -c /usr/sbin/yast2”
a little terminal window pops open for the password,
and after the password closes with no yast opening
First, as already been asked, can you select “Plasma 5” at the login screen?
Logout from IceWM to get to the login screen.
If not, try to reinstall the package plasma5-session:
sudo zypper in -f plasma5-session
That’s responsible for offering a Plasma5 login session.
Though if not even YaST works, the problem lies deeper I suppose.
Maybe incompatible Qt5 packages…
Please post your repo list:
zypper lr -d
Also, open an xterm in IceWM (there is a button for that in the panel) and run some Qt5 or KF5 application like ark or dolphin.
Does that work?
If not, post the error message you get.
Both ark and dolphin work. It seems that zipper and yast2 are missing.
On boot I get a login screen to IceWM but no option (no right click or no menu) to get to KDE
so I have no way yet to change the default desktop.
I have a second laptop built with leap 42.2 and I could copy
any number of configuration files across using a thumb drive. Just suggest the
files and I’ll give it a try. Maybe the boot files also ? Anything short of a rebuild is work a try.
What is shown by the following?
grep "DISPLAYMANAGER=" /etc/sysconfig/displaymanager
Well, “zipper” is definitely missing, it’s actually called “zypper”… 
If zypper really should be missing, it will become difficult to repair your system though.
On boot I get a login screen to IceWM but no option (no right click or no menu) to get to KDE
Can you please describe how that login screen looks like?
The default sddm does have a chooser for the desktop session in the lower left corner of the screen.
But maybe sddm was uninstalled for some reason and xdm is used as fallback now.
I have a second laptop built with leap 42.2 and I could copy
any number of configuration files across using a thumb drive. Just suggest the
files and I’ll give it a try. Maybe the boot files also ? Anything short of a rebuild is work a try.
I doubt that the problem is a config file.
Apparently some vital packages got removed, or are incompatible.
As I already wrote, please post your repo list, i.e. the output of “zypper lr -d”.
And try to reinstall plasma5-session:
sudo zypper in -f plasma5-session
Maybe sddm as well:
sudo zypper in -f sddm
If you get error messages, please post them too.