They sent me from the Nort Tech website after writing an email: "Dear Marcos, the image is fine and the software to install the system again is found at the bottom of the official North-Tech website, click here to go directly. The instructions for system restoration are as follows: 1 - Format a pendrive in FAT32 format. [/B] [b] 2 - Copy the file (s) corresponding to the system restoration software to the pendrive . 3 - Unplug the TV from the power supply for at least 20 seconds 4 - Insert the pen drive into the corresponding slot of the TV. 5 - Plug the TV into the power supply 6 - Press and hold the power button on the TV (do not use the remote control) until the software installation begins. [/B] [b] 5 - Once the process is finished, the TV will restart, taking a little longer than usual the first time. 6 - Remove the pendrive. Please let us know if you could solve the problem, your case number is 1032. Regards. Darío Finelli.-