Re-synchronizing the remote with the television or receiver is a standard fix for devices that have stopped responding. Look for a "Volume Control" or "Remote Control" setting within the receiver's menu.
Fixing Spectrum Remote Commands That Aren't Translating Correctly
A dead or weak battery is the most common culprit behind any remote malfunction. If you are using a set-top box, the remote communicates with the cable or satellite receiver, not the television directly.
When to Seek Professional Help. Cleaning the front lens of the remote with a soft cloth and ensuring you are pointing it directly at the television or receiver often resolves the issue.
Fixing Spectrum Remote Commands Translation Issues
A mismatch between the receiver's output mode and the remote's capabilities will result in the remote won't control volume scenario. Managing the Receiver If the receiver is the source, the settings on that device are critical.
More About Spectrum remote won't control volume
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