Amazon tv box 4K black screen

[charlesk]

Good Morning everyone, I have an Amazon TV Box 4K and it stop working, I remove the Ac power from the back & reconnect it & all what I get is a black screen don't work at all.
Any way to have this fix?
Thanks in advance.

[Bkman2020]

Contact amazon for support

[Mr Hanky]

Try a different HDMI cable and reboot stb.

[Marley]

change your video setting