Which three keys are pressed for Hisense TV's black screen?

When Hisense TV goes black, you can try to press the following three keys:

1. Press and hold the power button on the TV for about 5 seconds and wait for the TV to restart.

2. Press the "Menu" button on the remote control to enter the TV setting interface, and check whether there is a setting problem that causes the black screen.

3. Press the "Input Source" button on the remote control to switch to other input sources, such as HDMI and AV, and check whether there is any problem with the current input source, resulting in a black screen. Hisense was founded in 1969. It owns four listed companies: Hisense Video, Hisense Home Appliances, Sandian Holdings and Ganzhao Optoelectronics. It owns Hisense, ToshibaTV, Dragon God, gorenje, ASKO and other brands. Hisense has 34 industrial parks and production bases and 25 R&D centers around the world, introducing high-end talents to the world and promoting domestic designers and R&D personnel to "go global". Overseas branches cover global markets such as America, Europe, Africa, Middle East, Australia and Southeast Asia, and their products are exported to more than 60 countries and regions.