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Registered: ‎08-14-2017

Toshiba 55" LED TV w/ Chromecast (#55L621U) won't connect to Cox Cable box

We just purchased this TV tonight and were able to connect to our Roku easily.  However, nothing we have tried is working to get the TV to connect to our cable box.  We haven't setup the Chromecast as we aren't sure we'll use it yet.  We have no idea why it won't locate our channels and connect to our box.  Help please??

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Registered: ‎11-30-2015

Re: Toshiba 55" LED TV w/ Chromecast (#55L621U) won't connect to Cox Cable box

Good Afternoon Shannon,


Welcome to our forum community! I'm sorry to hear that you're having some issues getting your cable box to speak to your Toshiba Tv. 


Can you please provide me some more details? I’d be happy to see what kind of troubleshooting advice I can provide to you.


How does your cable box connect to your TV? Do you need to have your TV on a certain channel? When was the last time you updated your cable box? Sometimes due to advances in technology your cable box may need updated.


You can always try to scan for channels in the TV's menu, and select cable instead of over the air. This may be the issue. 


I’d be happy to help you find some resources to set up with Chromecast features. Please note Chromecast would only mirror your smart enabled devices on certain applications. I look forward to your reply to see how I can help you further.



Mariah|Social Media Specialist | Best Buy® Corporate
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