What should I do if Wi-Fi network and LED lights automatically turn off?

1) Press any key on the device to wake up LED lights and Wi-Fi network function.
2) Connect device to charger if the device’s battery run out.
Change power saving time in Web UI:
1) Log in to the Home page (Refer to "How can I access the Home page?" in the Basic Settings module).
2) Go to System -> Power saving mode.
3) Click “After 5 minutes” to select your desired time in the pop-up window(5 minutes, 10 minutes, 15 minutes, 30 minutes, 60 minutes, Never sleep)
4) Click “Apply” to confirm.