I found out how to get it to boot to a command line. I tried this on the 
cloned ssd.  When I entered startx I geo Xfce instead of KDE.  I suppose 
I could look up how to clone the SSD using dd.

On 11/12/23 17:59, Steve Litt via PLUG-discuss wrote:
> Jim via PLUG-discuss said on Sun, 12 Nov 2023 16:52:04 -0700
>
>> I have a Dell Optiplex 7010 with 32GB RAM and kubuntu 22.04 installed
>> on it.  I used clonezilla to make a copy of a 240 GB SSD onto a 1TB
>> SSD. When I tried to boot from the copy, I got to the gui login
>> screen.  I gave it my password and pressed enter. Nothing happened.  I
>> tried ctrl alt f2 to get to the console and was able to log in there.
>> I went back to the gui, but the screen was black with a mouse pointer
>> which moved with the mouse.  I pressed ctrl alt backspace which took
>> me back to the login screen.  I gave it my password and the gui screen
>> stopped.  Like the first time, the mouse pointer moved as I moved the
>> mouse.  I replaced the new ssd with the old one and everything booted
>> normally.
>>
>>
>> Does anyone have any idea what's going on?
> I'm skeptical of Clonezilla. I would have used dd, rebooted, and if it
> worked, use a rescue CD and enlarge the partition to accommodate the
> whole of the SSD.
>
> Unfortunately you're using a Ubuntu derived OS, which makes it like
> pulling teeth to boot straight to CLI, and then run startx, which would
> be my suggestion for getting more data about the problem. As a matter
> of fact, the difficulty of doing this is what made me move from Ubuntu
> to Debian. Of course within a few months Debian inserted systemd and I
> moved to Void Linux :-)
>
> SteveT
>
> Steve Litt
>
> Autumn 2023 featured book: Rapid Learning for the 21st Century
> http://www.troubleshooters.com/rl21
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