Your TCL Roku TV may not stay connected with your wireless network when powered off.  To maintain the network connection and allow other wireless devices connect to your Roku device when powered off, use the steps below to enable the Fast TV Start feature on your TCL Roku TV: 

1. Press the Home button on your TCL Roku TV remote
2. Scroll up or down, and select Settings
3. Select System, then Power 
4. Select Fast TV Start
5. Highlight Enable 'Fast TV Start', press the OK button on your TV remote.  This will check the box. 

Note: Fast TV Start uses more power than normal standby and will override default power settings.