By following the methods in this tutorial, you should be able to troubleshoot and fix the issue of your Vizio TV not turning on. Having a Vizio TV that won't turn on can be a frustrating experience. 

Tips to resolving your Vizio TV if it won't turn on includes:

• Check the power cord. Make sure the power cord is securely connected to the wall outlet and the back of the TV.
• Check the power switch. Make sure the power switch on the back of the TV is in the "on" position.
• Check the remote. Make sure the batteries in the remote are working and that the remote is pointed directly at the TV.
• Check the power outlet. Make sure the power outlet is working by plugging in another device.
• Reset the TV. Unplug the TV from the wall outlet and wait for 30 seconds before plugging it back in.
• Check the HDMI cables. Make sure the HDMI cables are securely connected to the TV and the device you're trying to use.
• Check the TV settings. Make sure the TV is set to the correct input source.