I just bought the Roku Express 4k+, and when I'm in an app, the system will turn off a few minutes into the show/video/etc regardless of what app I'm using. It doesn't turn off if I stay on the home screen, only while using an app. I'm using the Roku provided HDMI and power cord and wall brick, and they both work. I've reset the Roku manually and I've performed a factory reset as well. Neither fixed the issue. It's brand new so there are no updates when I check the update settings. Every solution I've seen online has not worked and I've tried everything I can.
Rokus really do not turn off (other than entering a sleep mode) so assuming it is just rebooting. If just going to a black screen, perhaps try lowering the display resolution and see if the channel/app continues to stream. (Settings/Display Type). Try manually assigning one rather than auto detect.
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
If you are powering your Roku by plugging into the USB port on the TV, try powering from house power via the USB power adapter that came with the Roku.
The ports on many televisions only supply 0.5 amp or less, which is not enough to power a Roku reliably. It may appear to start up okay, but when it runs into something that requires more power than the tv's USB port can provide, something's got to give. Frequently this results in shutting down the stream you are viewing and exiting back to the Roku home screen.
If you don't have a Roku adapter handy, any other you have from another device should work as long as the fine print on it says it outputs at least 1 amp.
Roku Community Streaming Expert I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well. If this post solves your problem please help others find this answer by clicking "Accept as Solution.".
Streaming Stick 4K+ 3821 | Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X
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