Chosen Solution
I have a toshiba CT 90448.. and since a week there is a wired message came on the screen tells me that there is a USB device connected with the TV and I should remove it and reopen the TV… But there is no any devise is connected.. And I can’t watch because of it.
Morad Almomani I wonder if you recently tried to view anything from a USB on your TV. I suggest you are going to see if a reset will work. Unplug everything from your TV. Unplug the power cable. Push and hold the power button down for about 1 minute (the one on the TV, not the remote). After that plug the TV back in to ower and connect one input source only. Turn it on and see what it does. If a reset does not work you may have to try to get to the setup menu which will be difficult. This could be a firmware issue as well as hardware (bad main board). Please remember that this is a Toshiba and that they are just as paranoid as Apple and others and will not support any DIY efforts.