Most modern smart TVs support wireless display, but if yours doesn't, you can use a wireless HDMI display dongle. These devices plug into an HDMI port on your TV and connect to your Wi-Fi network.

Universal Control is coming in macOS Monterey, but you can use any device as a second monitor right now with the right software or accessories.

Sidecar in macOS turns your iPad into a second display, but it's limited to certain Macs and iPads. Thankfully, a few third-party apps can help if you have an older Apple device or Windows PC.

Select Connect to a wireless display. Select your laptop when its name appears to connect to it. You're now successfully extending your desktop to your laptop and using it as a second monitor.

How to connect your laptop to a monitor You may find that the larger display does wonders for your eyesight and posture.

How to Connect With an Adapter There are multiple ways to connect your ROG Ally to your TV or monitor, but an adapter is a simple solution that doesn't take up much space.