We have a Humax 4k recordable box. Would not switch on. Switched off via power switch, restarted after a couple of minutes. Gets to splash screen saying "use SMART mode for faster start up." Then the screen goes blank and box is unresponsive. I've tried the reset procedure, holding the arrow down button, but to no avail. Any ideas?
As you are seeing the initial Youview screens but then nothing. I suggest you.drop the HDMI down to 720p. so when you after the Use Smart Mode for faster Start up use the remote keys as listed below and see if that makes any difference.
If you want to switch to 720p quickly, Youview have a secret button combination: