Having trouble with your Chromecast, Chromecast Ultra, Chromecast with Google TV, or Google TV Streamer (4K)? Don't worry, your question may be answered below. If your question isn't covered, try to troubleshoot your issue.
Setup and settings
Why won't the USB cable I use for my other devices work on Google streaming devices?Google streaming devices aren't guaranteed to work with general cables. We recommend that you use the cables and adapters provided with the streaming device for optimal performance.
When you plug your Chromecast, Chromecast Ultra, Chromecast with Google TV, or Google TV Streamer into your TV and select its HDMI port, the name of the device will be displayed in the corner with a Cast icon next to it 
When setting up a Chromecast Audio device, during the setup process, a sound will be played on the Chromecast Audio to make sure the right device is being set up.
If you're using a Chromecast (1st gen) device, try using the HDMI extender that came in the Chromecast box. The extender may also improve your Wi-Fi reception.
- First, make sure you've followed the set up steps correctly.
- For self-guided help, try our Streaming troubleshooter.
- If you're still having trouble, contact us.
Review the How to factory reset your Chromecast and Google TV Streamer to reset your streaming device correctly.
Yes. You'll need to disable AP isolation, also known as client isolation, on your router. Refer to your router documentation to learn how to disable AP isolation.
If you don't have access to your router settings, or if you are attempting to connect through a guest, hotel, or public network with AP or client isolation, you'll be unable to set up your streaming device.
If you're attempting to connect through a Wi-Fi extender, check your extender settings. You'll need to disable AP isolation on your Wi-Fi extender before setting up your streaming device to work with your Wi-Fi network.
To check the Build (Firmware Version) number of your streaming device:
- Open the Google Home app
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- Touch and hold your device's tile.
- Tap Settings
Device information.
- Under "Technical information," check for Cast firmware version: "X.XXX.XXXXX."
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Device information.To locate a streaming device's serial number, unplug the streaming device and find the markings on the back. The serial number begins with a 3, 4, 5, 6, or 7. The serial number is also listed on the device box.
- Chromecast 1st Gen, 2nd Gen, and Audio: 12-character alphanumeric characters
- Chromecast 3rd Gen and Ultra: 10-character alphanumeric characters.
- Chromecast with Google TV and Chromecast Voice Remote: 14-character alphanumeric characters.
Google TV Streamer (4K) and Google TV Streamer Voice Remote: 14-character alphanumeric characters.
On Chromecast (1st gen)
| The device’s 12-character serial number is located near the High-Definition Multimedia (HDMI) connector, just below where it says HDMI. |
On Chromecast (2nd gen)
| The device’s 12-character serial number is located near the USB port, opposite of where it says HDMI. |
On Chromecast (3rd gen)
| The device’s 10-character serial number is located on the underside device, more specifically, along the circumference or rounded edges of the Chromecast, right side of where it says HDMI. |  |
On Chromecast Audio
| The device’s 12-character serial number is located near the USB plug |
On Chromecast Ultra
| The device’s 10-character serial number is located near the USB port and at the opposite end of where it says HDMI. |  |
On Chromecast with Google TV
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On Google TV Streamer
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1.The Google TV Streamer’s 14-character alphanumeric serial number is located at the bottom surface of the device right under the G logo. 2. The serial number is also listed on a sticker on the Google TV Streamer packaging near the barcodes. |
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- Leave your Chromecast or Google TV Streamer plugged in and connected to your WiFi network for at least one minute. We recommend that you plug your streaming device into wall power using the USB power cable and power adapter that was provided in the box.
- After one minute, reboot your streaming device.
- Open the Google Home app
- Touch and hold the streaming device's tile you'd like to connect to a different Wi-Fi network.
- Tap Settings
Wi-Fi
- You'll need to set up your Chromecast, Chromecast with Google TV, or Google TV Streamer device again on a new network.
Wi-Fi Note: Chromecast and Google TV Streamer devices only work with networks which allow device to device communication. If the router or network on which you’re attempting to set up the streaming device has AP or client isolation enabled (typical of hotel rooms, school networks, and corporate environments), you won't be able to set up your streaming device properly. Disable AP or client isolation on your router to set up streaming device again. If you need assistance disabling AP or client isolation on your router, contact your router manufacturer.
Casting
I’m trying to cast music from Spotify but can’t find the Cast icon in its usual place. Where is it?
to check available devices. Choose the device you want to cast to. and select the name of the device you’re casting from. You should now only hear music from your local device and not on your speakers.No. Only one person with a compatible device and app can cast to your streaming device at a time. If one person is casting and another other initiates casting as well, it will override what’s currently playing.
General help
I'm a developer interested in developing for Cast and/or streaming devices. Where can I find more information?Manufacturers often call CEC by different names, including Anynet+ (Samsung), Aquos Link (Sharp), BRAVIA Link and BRAVIA Sync (Sony), HDMI-CEC (Hitachi), CE-Link and Regza Link (Toshiba), SimpLink (LG), HDAVI Control, EZ-Sync, VIERA Link (Panasonic), EasyLink (Philips), and NetCommand for HDMI (Mitsubishi).
If you purchased your Chromecast or Google TV Streamer from Google Store or an authorized streaming device retailer and are in need of a replacement, contact us for assistance.
Note: Proof of purchase is required.
If you purchased your streaming device from someone other than a Google-authorized retailer, your purchase is not covered by our warranty. Review our Warranty policy here.