Jetson Nano Display view port reduced

My jet-son nano has problems with connecting to a dell monitor which is 32 inches. I cannot set the resolution as the monitor works on 1280x720 resolution which covers 75% view port of the screen. The optimal resolution for the monitor is 1920x1200 pixels. I have read all the articles and have attached the xorg.0.log file with option set to ModeDebug

I think the problem is as you mentioned earlier that monitor does not support the edid mode and uses the default settings. If so what are the changes that should be done to change the resolution.

Xorg.0.log (215.8 KB)


I don’t see any valid 1920x1200 mode from your xorg.0.log. Could you share your dmesg?

1 Like

Thank you. I cannot find the dmesg log at /var/log/dmesg.o in the jetson nano.

What i meant was monitor works at 1920x1200 resolution in with other devices, but with nano it uses only a portion of the screen and runs at reduced resolution.

dmesg is a command to dump kernel log. Not specific .log file.

Open a terminal and type dmesg >> log.txt.

1 Like

thank you. I have added the dmesg log.
dmesg_log.txt (66.1 KB)

There is no update from you for a period, assuming this is not an issue any more.
Hence we are closing this topic. If need further support, please open a new one.


The problem here is jetson nano fails to read the edid from your monitor. Thus, it is using a fallback edid from our driver. It is just a hardcoded value.

[ 1.304166] tegra-i2c 7000c700.i2c: Un-recovered Arb lost
[ 1.309996] tegradc tegradc.0: hdmi: edid read failed
[ 1.315111] tegradc tegradc.0: hdmi: using fallback edid
[ 1.315197] tegradc tegradc.0: blank - powerdown
[ 1.318961] tegra-vii2c 546c0000.i2c: no acknowledg

This fallback edid only has a 1280x720p mode. Thus, no 1920x1200 mode is available.

What kind of hdmi monitor are you using? Do you use any adapter/convert there?