This is Raspberry Pi forum -> for technical product support of your screen you should ask waveshare. They took your money, it's them to support.
Does it still work on your Pi4?
Which OS do you use?
Assume you have this (as you did not even provide a link to your third party product) https://www.waveshare.com/5.5inch-1440x2560-lcd.htm
Try adding below to the beginning of /boot/firmware/cmdline.txt, boot your system and report back
Does it still work on your Pi4?
Which OS do you use?
Assume you have this (as you did not even provide a link to your third party product) https://www.waveshare.com/5.5inch-1440x2560-lcd.htm
Try adding below to the beginning of /boot/firmware/cmdline.txt, boot your system and report back
Code:
video=HDMI-A-1:1440x2560M@60DStatistics: Posted by aBUGSworstnightmare — Sun Feb 09, 2025 7:28 am