killrob

hi @idontknowtom , i've downloaded the OS from here https://github.com/bigtreetech/CB1/releases/download/V2.3.3/CB1_Debian11_Klipper_kernel5.16_202300712.img.xz this is my BoardEnv [BoardEnv.txt](https://github.com/bigtreetech/BTT-Pi/files/13627175/BoardEnv.txt)

@idontknowtom i've done exactly what you do, got a triple check on ribbon cable connection and is right connected as you told. i'm waiting for another TFT35 SPI from aliexpress...

how much pin is that flat FCP cable? ok is a 9pin cable

for everyone intrested, i've solved in this way: in BoardEnv overlays=tft35_spi25 set speed at 25000 instead of 50000 commented #overlays=spidev1_2 added Identifier "" to dpms.conf in /etc/X11/xorg.conf.d/ saved all, rebooted...