We appreciate you reaching out to the Roku community!
If this issue is not resolved with your Roku device not working, can you please provide us with additional information you may have that would be helpful for our team to assist you further in this problem? Are you being prompted with an error message? Can you please provide your device model and your software version, found under Home > Settings > System > About? In addition, can you please specify the exact steps you are taking to reproduce this issue?
Once we have this information, we will be able to assist you further.
Just bought this device 6 months ago and now it's a black screen, when first turn on it shows roku and then just turns to black screen tried everything that was recommended. The lights flash when I push buttons on the ruko lil device bit nothing on TV
Could you tell us how are you powering your Roku device? Is it connected to the USB port of the TV or to a wall outlet? In some cases, the USB power provided by the TV is not sufficient to power the device. Even though your Roku device may appear to be working, running with insufficient power can lead to instability, crashing, and other unpredictable behavior.
Using the included power cord and power adapter, we suggest plugging your Roku into a working power outlet in the wall. Powering it through a power outlet in the wall has the additional advantage that your Roku player will not need to power up every time you turn on your TV. This means your Roku player will be up and running faster than it would be connected to a TV.