Why Your Chromecast Isn't Appearing and How to Fix It

A Chromecast that doesn't show up in your casting menu usually means one of three things: the device isn't powered on, it's not on the same Wi-Fi network as your phone or computer, or the casting app hasn't found it yet. Start by checking the power cable and making sure the Chromecast is plugged into an outlet or USB port that actually supplies power — many TV USB ports don't provide enough current. Then verify that both your casting device and the Chromecast are connected to the same Wi-Fi network. If they're on different networks, the Chromecast won't appear in your list of available devices.

If power and Wi-Fi are both correct, restart the Chromecast by unplugging it for 30 seconds, then plugging it back in. While it restarts, also restart your phone or computer. Once both devices are back online, open the casting app again and wait 10 to 15 seconds for the Chromecast to appear. If it still doesn't show, move on to the steps below.

Key Takeaways

  • Chromecast must be plugged into a power source that supplies at least 1 amp of current — many TV USB ports don't provide enough power.
  • Your phone, computer, and Chromecast must all be on the same Wi-Fi network; if they're on different networks, casting won't work.
  • Restarting both the Chromecast and your casting device often solves connection problems that prevent the device from appearing.
  • If your router uses a 5 GHz network, check whether your Chromecast model supports it — older models only work on 2.4 GHz.
  • Forgetting the Wi-Fi network on your Chromecast and reconnecting it can fix problems that a straightforward restart won't solve.

Check the Power Connection First

Chromecast devices need a steady power supply to stay online. If it's plugged into a TV USB port, that port may not be delivering enough power — many TV USB outputs are limited to 0.5 amps, but Chromecast needs at least 1 amp. Unplug the Chromecast from the TV and plug it into a wall outlet using the power adapter that came in the box, or use a powered USB hub instead of the TV port.

Look for a small LED light on the Chromecast itself. When it's powered on and working, the light should be white or blue. If the light is off or red, the device isn't getting power. Try a different outlet or a different USB cable to rule out a bad connection. If you're using an older power adapter, it may have failed — contact Google support to request a replacement.

Confirm Both Devices Are on the Same Wi-Fi Network

Your phone or computer and your Chromecast must be connected to the same Wi-Fi network. Open your phone's Wi-Fi settings and note which network you're on. Then check your Chromecast's network by opening the Google Home app, selecting your Chromecast, tapping the settings icon, and looking at the Wi-Fi network listed under "Device information."

If they're on different networks, you need to reconnect the Chromecast. In the Google Home app, select the Chromecast, tap settings, scroll down to "Wi-Fi," and choose "Forget this network." The Chromecast will restart and show a setup screen. Follow the on-screen steps to reconnect it to the same network your phone is using. This usually takes two to three minutes.

If your router broadcasts both a 2.4 GHz and a 5 GHz network with the same name, your phone may have connected to 5 GHz while your Chromecast only supports 2.4 GHz. Check your router settings or contact your internet provider to see whether you can rename one of the networks so you can tell them apart, then connect both devices to the 2.4 GHz network.

Restart the Chromecast and Your Casting Device

A restart clears temporary connection problems that prevent the Chromecast from being discovered. Unplug the Chromecast from power for 30 seconds, then plug it back in. The LED will blink as it restarts — wait until it stops blinking and turns solid before moving on.

While the Chromecast is restarting, also restart your phone or computer. On an Android phone, hold the power button and select "Restart." On an iPhone, go to Settings, tap General, select Shutdown, wait for the slider to appear, drag it to power off, then press the power button again to turn it back on. On a Windows computer, click the Start menu, select the power icon, and choose "Restart." On a Mac, click the Apple menu, select "Restart," and confirm.

Once both devices are back online, open the casting app and wait 10 to 15 seconds. The Chromecast should now appear in your list of available devices. If it doesn't, move to the next step.

Check Your Router and Network Settings

Some routers have settings that block devices from discovering each other on the network. Open your router's settings by typing its IP address (usually 192.168.1.1 or 192.168.0.1) into a web browser, then log in with your router's username and password. Look for a setting called "Multicast" or "mDNS" and make sure it's enabled. If it's disabled, enable it and save the settings. Your router will restart, and the Chromecast should become visible within a minute or two.

If your router has a guest network, make sure your Chromecast and casting device are both on the main network, not the guest network. Guest networks often isolate devices from each other on purpose. Check your phone's Wi-Fi settings to confirm you're not connected to a guest network.

Reset the Chromecast to Factory Settings

If none of the steps above work, reset the Chromecast to its original factory state. This erases all settings and returns it to the setup screen. On the back or bottom of the Chromecast, find the small reset button. Use a paperclip or the tip of a ballpoint pen to press and hold it for 10 to 15 seconds while the device is plugged in. The LED will flash orange, then turn white — this means the reset is complete.

Once the reset finishes, the Chromecast will show a setup screen on your TV. Open the Google Home app on your phone, tap the plus icon to add a device, and follow the steps to set up the Chromecast again. This time, make sure to connect it to the same Wi-Fi network as your phone. After setup is complete, the Chromecast should appear in your casting menu.

What to Do If the Chromecast Still Doesn't Appear

If you've completed all the steps above and the Chromecast still won't show up, the device itself may be faulty. Before replacing it, try casting from a different phone or computer to rule out a problem with your original device. If a different phone can cast to the Chromecast, the issue is with your original phone's settings or software, not the Chromecast.

If no device can cast to the Chromecast, and the LED is on and solid, contact Google support. You can reach them through the Google Home app by selecting your Chromecast, tapping the settings icon, scrolling to the bottom, and selecting "Help & feedback." Describe the steps you've already taken, and they can walk you through additional troubleshooting or arrange a replacement if the device is still under warranty.

Frequently Asked Questions

Why does my Chromecast appear in the Google Home app but not in the casting menu?

The Google Home app and the casting menu use different discovery methods. If the Chromecast shows in Home but not in casting, restart both devices and wait 15 seconds. If it still doesn't appear, open the casting app's settings and look for an option to refresh or rescan for devices. Some apps require you to manually refresh the device list.

Can I use Chromecast on a 5 GHz Wi-Fi network?

Newer Chromecast models support both 2.4 GHz and 5 GHz networks. Older models only work on 2.4 GHz. Check your router settings to see which frequencies it broadcasts. If your router uses both, connect your Chromecast to the 2.4 GHz network and your phone to whichever is faster — they don't have to be on the same frequency as long as they're on the same router.

What if my Chromecast keeps disconnecting from Wi-Fi?

Move the Chromecast closer to your router or away from other electronics that use radio frequencies, like microwaves or cordless phones. If it still disconnects, forget the Wi-Fi network in the Google Home app and reconnect it. If disconnections continue, your router may need a firmware update — check the router manufacturer's website for the latest version.

Do I need to use the Google Home app to cast?

No. The Google Home app is used to set up and manage the Chromecast, but once it's set up, you cast directly from apps like YouTube, Netflix, or Spotify. The Chromecast should appear in the casting menu within those apps. If it doesn't, the Chromecast and your phone aren't on the same network.