Rein Posted November 21, 2023 Share Posted November 21, 2023 (edited) Hi, I've been trying out the jammy image for the raspberry pi. (Raspberry pi 4b) I found a problem with the display settings. I am using a Dell display of 1440x900 In the display settings it show the right monitor and the correct settings but the actual display shows a 5cm black band at the right-hand side. And whatever I do makes no difference Anyone have an answer? Edited November 21, 2023 by Rein change of expression 0 Quote Link to comment Share on other sites More sharing options...
Gunjan Gupta Posted November 21, 2023 Share Posted November 21, 2023 Could you try by setting disable_fw_kms_setup=1 in config.txt. If its there and already set to one, try setting it to 0 0 Quote Link to comment Share on other sites More sharing options...
Rein Posted November 22, 2023 Author Share Posted November 22, 2023 (edited) Hi Gunjan. The config.txt file does not have that line. I tried adding the line to the end of the config.txt file but this has not resolved the issue. Thanks for your reply anyway. Edited November 22, 2023 by Rein correction 0 Quote Link to comment Share on other sites More sharing options...
Rein Posted November 24, 2023 Author Share Posted November 24, 2023 Here is a photo of my problem. The system has discovered the right display settings but the actual display is wrong. Another thing that may be related (?) : Every few seconds the display goes blank momentarily. 0 Quote Link to comment Share on other sites More sharing options...
Gunjan Gupta Posted November 24, 2023 Share Posted November 24, 2023 6 hours ago, Rein said: Every few seconds the display goes blank momentarily. Sounds like bad hdmi cable. Try using a different cable 0 Quote Link to comment Share on other sites More sharing options...
Rein Posted November 24, 2023 Author Share Posted November 24, 2023 I am running a web page. I have a choice of a number of OSs on ssd cards (Debian , Ubuntu). They all work correctly on same video display and same cable 😊. 0 Quote Link to comment Share on other sites More sharing options...
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