Screen is froze with the message firmware update do not unplug from USB connection, what can I do to fix it?

[AC Question]

screen is froze with the message firmware update do not unplug from USB connection

it is froze with that message on it .and will not power down or do anything at all

it has only been used 2 or 3 hours total

 

[belodion]

Re: screen is froze with the message firmware update do not unplug from USB connection

Contact the manufacturer's customer support for advice on how to proceed.