With two or three displays, sometimes the login panel shows up on one screen only, but on others, it may be two, or may be three. Is there something in tdmrc that I'm missing about GreeterScreen=, or not understanding (near top of file) that can control how many on which greeter appears? Absent a specific GreeterScreen= setting, typically either the lowest resolution screen seems to acquire focus, or first choice goes to connection using the oldest technology (1VGA>2DVI>3HDMI>4DP) if not more than one having it.
Felix Miata via tde-users wrote:
With two or three displays, sometimes the login panel shows up on one screen only, but on others, it may be two, or may be three. Is there something in tdmrc that I'm missing about GreeterScreen=, or not understanding (near top of file) that can control how many on which greeter appears? Absent a specific GreeterScreen= setting, typically either the lowest resolution screen seems to acquire focus, or first choice goes to connection using the oldest technology (1VGA>2DVI>3HDMI>4DP) if not more than one having it.
What happens if you configure the Monitor & Screen as root (Administrator)?
I recall there are few things to be updated there, but the admin setting might be read first, so it is worth trying. I also found out that "default" is not good in the user context. I would try as root to configure default and as user configure a custom profile. (At least this is my setup ATM)
deloptes composed on 2025-11-20 09:29 (UTC+0100):
What happens if you configure the Monitor & Screen as root (Administrator)?
I don't use GUI to configure. Last times tried it stripped all the nice contextual comment lines, its documentation.
deloptes composed on 2025-11-20 09:29 (UTC+0100):
What happens if you configure the Monitor & Screen as root (Administrator)?
I don't use GUI to configure. Last times tried it stripped all the nice contextual comment lines, its documentation.
Do you absolutely need TDM? It's quite old display manager and has troubles launching non-X11 sessions. I find that SDDM is decent enough and more maintained than TDM is.
TL;DR: While I love Trinity as it's much faster and less error-prone than Plasma these days, I don't really get why you'd use TDM when better greeters exist.
rave002--- via tde-users composed on 2025-11-22 17:48 (UTC):
Do you absolutely need TDM? It's quite old display manager and has troubles launching non-X11 sessions. I find that SDDM is decent enough and more maintained than TDM is.
TL;DR: While I love Trinity as it's much faster and less error-prone than Plasma these days, I don't really get why you'd use TDM when better greeters exist.
The are no better greeters for my use than KDM and TDM. SDDM and Wayland are big brother limiting abominations. KDM's default un-themed login window is a purposed gem thankfully provided intact by Trinity Desktop. e.g.: TDM enables explicit specification of who will appear in the login list via one config file line item using users' names, rather than the (multiple) ID range(s?) of numbers necessary and limiting in SDDM.
I still have Plasma on multiple installations. On most, all but 2 I think, I've replaced SDDM with either KDM, TDM or LightDM. e.g. on my sole Neon, which I'll probably abandon before much longer[1], it's TDM that I have enabled, having no use for the limitations of Wayland sessions.
[1] Why: https://bugs.kde.org/show_bug.cgi?id=15329#c127 + X11 deadend. Plasma's grossly incompetent WRT restoring windows to the positions, virtual desktops, and window sizes of last. X11-free, it's dead to me.
said Felix Miata via tde-users:
| The are no better greeters for my use than KDM and TDM. SDDM and Wayland | are big brother limiting abominations. KDM's default un-themed login | window is a purposed gem thankfully provided intact by Trinity Desktop. | e.g.: TDM enables explicit specification of who will appear in the login | list via one config file line item using users' names, rather than the | (multiple) ID range(s?) of numbers necessary and limiting in SDDM.
In my experience SDDM is superior in that it allows more flexibility in some respects, primarily in my use of two oddly positioned monitors. I have one atop the other. With SDDM there is no issue moving from one to the other gong straight up and down, not side to side. Also, and this could by now have been fixed or might have applied only to the applications I use, non-TDE applications seem happier with SDDM than they did with TDM. This may no longer be the case -- it's years since I used TDM -- but my system not being broke I have had no need to test alternatives.
I am glad to see that the kdesktop crashing issue appears to have been fixed. I'll find out whether that's the case here next time I reboot, probably in January.
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