force configuration of unplugged laptop's monitor

[j2mcgreg]

Could you please post the make and model of the 1980 x 1080 Monitor? I'm wondering if this just a case where MX has misidentified the monitor and is thus sending the wrong signals to it?

[PLX]

Could you please post the make and model of the 1980 x 1080 Monitor? I'm wondering if this just a case where MX has misidentified the monitor and is thus sending the wrong signals to it?

It's likely right because my monitor Is identified as vestel elektronic instead my monitor Is Medion LIFE P13958
MD 31358 IT
156629.01
MSN: 30027375
SN: 8271835 900661

[Huckleberry Finn]

And, is the other "smaller 1366x768 monitor" that works fine, connected same way ? Say, exactly with that HDMI cable and port in place of this Medion ?

( Meanwhile, Vestel is an electronics & household products company in Turkey but that monitor is essentially Medion because Vestel makes contracts with some far-east firms and produces them and uses its own brand when marketing ... )

Can you also post the output of ARandR when that's (Medion) connected ? no matter it's blinking ..

[j2mcgreg]

Since your monitor is in reality a TV that's doing double duty I'm now wondering if, with this specific manufacturer, you have to use the TV's remote to select the laptop as the signal source before it will work properly and that you might have to do this every time (because on power-up its default setting is utilized).

[Stuart_M]

...I've always used an external monitor and it always worked fine...

...For six months now, my 1920x1080 monitor blinking and fleackering and I have to plug in a smaller 1366x768 monitor.

...I tried old versions of MX, MX kde and other distros

...the 1920x1080 monitor is not working since I unplugged the laptop's internal monitor removing lid.

These are my thoughts:

Is it possible to confirm that the 1920x1080 monitor is working now? The original post said that "...it always worked fine" and "...it worked fine before", but that was six months ago, right? It is possible that it was just a coincidence that the monitor stopped working when the laptop screen was disconnected and the lid removed. However, if it stopped working immediately after disconnecting the screen then I would be thinking the screen removal had more to do with the problem, e.g. something was damaged in the laptop during the removal process, etc. (could be many reasons). If the monitor had ever worked after the laptop screen was removed then I would be thinking the laptop and operating system are probably fine and the problem is with the monitor. Can you be more specific on the timing of when the television/monitor stopped working properly?

1. Test this television/monitor by connecting it to another computer.

2. Test this television/monitor by booting up to the BIOS from the laptop without a screen/lid (this will bypass the operating system controlling the video output). Does it still "flicker"?

3. Test the television/monitor under the same conditions as when it WAS working, e.g. when the laptop's screen and lid were connected. Does it work like it had before?

According to the original post, this television/monitor was working properly when used as an external monitor for a laptop with its screen and lid connected, presumably six months ago. If Step 3 can be done and the monitor does not work now like it did six months ago, then I think it could be safely said that the monitor is defective, especially if the monitor fails all three tests.

Edit: removed 5th line in quote window (partial duplicate of line above it)