One potential such problem is that the TV will seemingly be on, with the power light visible, but there's no picture, just a black screen. Specific to Vizio TVs, this is likely a common concern ...

If it appears the Reaper is making a visit to your Vizio TV, causing a "black screen of death", there's still time to fix it.

A black screen when launching games using DirectX 12 could be a driver error or incorrect settings on your graphics card.

You are experiencing a black screen on BlueStacks which is a display-related issue. One possible cause of the display problems on a Windows computer is the corrupted or outdated graphics card driver.