Debian User Forums

Hey all,

Thought I'd give an update. Following this exchange, I looked for solutions in some possible config files tweaking, but realised it went well beyond my know-how.

I recently tried again to hook up the external display on my laptop, but this time through an HDMI to VGA adapter. It worked right out of the gate, dealing with the different aspect ratios without any functional issue. It seems that a more rudimentary video display controller was all I needed. The Flatron has no speakers ...

Thanks for your reply.

To be extra clear, my laptop has no DVI output, only HDMI, while the Flatron monitor only has DVI and VGA inputs, hence the need for an adapter. The computer is outputting HDMI, and the display is inputting DVI , not the other way around.

Can you try that LG with something other than your laptop, to be sure it works through the needed input?
This setup (HDMI to DVI) ran correctly on a tower PC running Windows 10. The signal was outputted from a dedicated Nvidia ...

Hello all,

I have encountered some issue trying to use an external monitor (early 2000s LG Flatron) with my laptop (Framework 13) running Debian 12. While the hardware appears to be detected correctly, as shown by running xrandr on the terminal, it displays nothing but a "Check cables connection" error message, before going into idle.

The signal goes from the laptop's HDMI output through an HDMI to DVI adapter, before going into the monitor. The adapter is passive, and has shown to transmit a ...