I gave my sister my Roku DX HDMi Streaming Box.

Everything works great she can watch Netflix Hulu Tune in Radio.
She also was watching YouTube Spy Videos.

Now when she goes on YouTub it will play the same Spy Videos and other YouTube Videos and they play for just 19 Sec. then go off.
And it will go back to the Roku Home Screen.

This just happens to the YouTube.

So I go to settings then system then Network.
And it says Signal Strength is GOOD.

So then I go into settings system then Restart to reboot Roku and it does the same thing.
And I did go through the Recontact to WiFi and no good.

Like I say this is just with YouTube.

I hope you can help?