Check the connection
Make sure that the video cable between the TV and the input source device is connected correctly, and that both the TV and the input source device are turned on correctly.
Signal problem
Check whether the input source device works normally. You can try connecting other devices to the TV to see if the same problem will occur.
Picture setting problem
Try to adjust the picture settings of the TV, such as brightness, contrast, color and other parameters to see if the image display can be restored.
Tv malfunction
If all the above methods are ineffective, there may be something wrong with the TV itself. You can try to restart the TV, unplug the power cord, wait a few minutes and then plug it in again. If the problem still exists, it is recommended to contact Hisense customer service or professional maintenance personnel for maintenance.
solution
It is suggested to take corresponding solutions according to the specific situation. Please note that in case of electrical failure, the correct use and maintenance of electrical equipment is very important for your safety. It is recommended to consult professionals.
1. Introduction to higher education
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