Do you have a question about the Express 3900 and is the answer not in the manual?
Questions and answers
Pablo E. Blanco
March 7, 2025
On 3-5-25 message says cannot load Youtube app. due to not enough memory and suggests deleting other apps. Deleted 5 apps and still not enough. it was fine the day before. What happened? do i need to add new micro SD card.? Please help. Thanks
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How to set up your Roku® Express Background Roku Express (model: 3900) supports resolutions up to 1080p Full HD and ships with a Standard IR remote. This article describes the product in more detail and outlines the setup steps. ...
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Make sure the correct TV input is selected on your TV (the input to which your Roku Express is connected). You should see the Roku logo on the TV screen as your Roku Express powers on. Going through Guided Setup 1.
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Select Set display type and let your Roku Express auto detect the best display resolution so you don’t have to manually configure the settings. To change the display type at a later time, go to Settings > Display type.
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– every action is mirrored on your TV. How you control playback. Casting gives you the option to use your mobile device for control or you can choose to use your Roku remote. During a screen mirroring session, all actions are controlled on your mobile device.
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If you want to specifically share your personal photos and videos, or songs from the music library stored on your mobile device, you can use the Play on Roku feature of the Roku mobile app. The Roku mobile app is a free application for iOS® and Android devices.
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After you enable the feature, select your Roku player or Roku TV from the list of discovered devices to request a connection.
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Can I adjust screen mirroring settings? You can define how an incoming screen mirroring request is handled by changing the screen mirroring mode on your Roku device. You can also remove a device that was added to the list of ‘Allowed devices’ or ‘Blocked devices’.
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Screen mirroring mode – Select one of the choices to define how an incoming screen mirroring request is handled. Prompt – Each time a screen mirroring request is made, your Roku device will display an on-screen prompt, except in the case where ‘Always accept’ was selected from the prompt for a specific device.
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Roku remote, or via Spotify Connect on a smartphone, tablet, or computer. This article lists the Roku devices that support Spotify and tells you how to find and install the channel. What Roku devices support Spotify? The most likely reason you cannot see Spotify in the Roku Channel Store is that your Roku device does not support Spotify.
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For connecting to older televisions, some Roku models include a standard composite video connection, in addition to the HDMI connection. Setting up your Roku player 1. Connect your Roku streaming player to your TV using either a High Speed HDMI Cable or composite cables.
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3. Connect the power connector to the Roku player and connect the power adapter to a wall outlet. Note: Select Roku players can be powered by connecting the included USB cable directly to a USB port on the TV. The USB port on some TV’s may be unable to power a Roku player.
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4. Open the battery cover of your remote and insert batteries. Make sure the correct TV input is selected on your TV (the input to which your Roku player is connected). You should now see the Roku logo on the TV screen as your Roku player powers on.
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Once connected to the internet, your Roku player will check to see if a software update is available. If there is, it will download the latest version and then reboot. 4. Set the display type Your Roku player will analyze the HDMI connection to determine the best display resolution so you don’t have to manually configure the settings.
Need help?
Do you have a question about the Express 3900 and is the answer not in the manual?
Questions and answers
On 3-5-25 message says cannot load Youtube app. due to not enough memory and suggests deleting other apps. Deleted 5 apps and still not enough. it was fine the day before. What happened? do i need to add new micro SD card.? Please help. Thanks