On macOS, navigate to "System Preferences" > "Displays" to configure resolution and arrangement. Most modern laptops and desktops feature an HDMI port, though you might need a compatible adapter for newer devices with USB-C or Thunderbolt ports.
Roku Screen Mirroring Without Computer
Ensure your computer and Roku TV are on the same Wi-Fi network, then click the notification icon in the bottom-right corner of your screen. On Windows, press the Windows key and "P" to cycle through display modes, selecting "Duplicate" to mirror the screen or "Second screen only" to use the TV as the primary monitor.
Selecting it will prompt you to approve the connection on your TV. Power on the TV and switch the input source to the specific HDMI channel you are using.
Roku Screen Mirroring Without a Computer
Understanding Connection Methods There are two primary approaches to link your computer with a Roku TV: wired and wireless. Connect one end of the HDMI cable to your computer's HDMI port.
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