Mag 256 stuck between portal loaded and main menu

[potred]

Just setting up mag256 box it has loaded portal and froze with message 'time on this device is not synchronised' have checked time and year on tv set up is ok can get system settings can't find anything no other way into box. Can anyone help ?

 

[stuss]

Just setting up mag256 box it has loaded portal and froze with message 'time on this device is not synchronised' have checked time and year on tv set up is ok can get system settings can't find anything no other way into box. Can anyone help ?

 

[potred]

If I am offered a trial with a supplier what can i expect about length of it and the eventual cost ?