@Tngirl99
If you are currently powering your Express 4k+ via the USB power port on your TV, try using a USB wall adapter and plug your device into a wall outlet. If your device did not come with this adapter, you can use a cell phone charging adapter (5volt, 1amp).
Roku Community Streaming Expert
Just another Roku user... I am not a Roku employee.
Insignia RokuTV, Ultra 4660, Premiere+ 3921, Express 4k+ 3941, Streambar 9102