Won't boot on RPI3Bp

My Raspberry Pi3b+ wont boot! Black screen all the time, but keyboard led let me think is working…
Tried 2 times without success.
With Ubuntu Mate works fine, so, the RPI and the SD card is OK.
What to do?
DietPI I downloaded is only 140MB . Is this OK?


yes DietPi is a lean and small version of Raspian light and it’s compressed into within a zip file to reduce download size. However if your unpack the *img file, it should be bigger. Can you check status on your LED during startup as described on this article



I think there is a video problem, DietPi can’t display a resolution the screen accept.

With other distros don’t fail


did you tried a different Screen? Are you able to login using SSH?