Roku Error Code 024 — What It Means & How to Fix It

What Does This Error Mean?

Error 024 means Roku is trying to output an audio format that your TV or sound system does not support. This usually involves Dolby Atmos, DTS, or another surround sound format. Changing the audio output setting in Roku's menu will fix this quickly.

Affected Models

Roku Express
Roku Streaming Stick
Roku Ultra
Roku Premiere
Roku Streaming Stick 4K+

Common Causes

Roku is set to output Dolby Digital Plus or Atmos but the TV or soundbar does not support it
The HDMI cable does not support Audio Return Channel (ARC) needed for advanced audio formats
The TV is connected via optical cable which does not carry newer audio formats like Atmos or DTS:X
Roku was recently updated and defaulted to a higher audio format than the TV can handle
The soundbar or receiver's audio input is set to the wrong mode and is not accepting the format Roku is sending

How to Fix It

Go to Settings > Audio > Audio Mode on your Roku and change the setting to Stereo.

Stereo is compatible with all TVs and all HDMI and optical cables. It is a safe fallback while you diagnose the issue.
If you have a soundbar or receiver connected via HDMI ARC, set the audio mode to Dolby Digital instead of Dolby Digital Plus or Auto.

Dolby Digital (standard) is more widely supported than Dolby Digital Plus, especially on older AV equipment.
Check that your HDMI cable is connected to the ARC-labeled port on your TV if you are using a soundbar.

ARC (Audio Return Channel) is required for the TV to pass audio back to a soundbar. A non-ARC port will drop certain audio formats.
On your TV, go to the audio or sound settings and check the audio output format. Set it to PCM or Auto if it is currently set to a specific surround format.

Some TVs have a separate 'HDMI sound' or 'digital audio out' setting that must also be set to Auto or PCM.
Restart your Roku (Settings > System > System Restart) and test audio on a streaming channel.

After changing audio settings, a restart ensures all settings are fully applied.

When to Call a Professional

Error 024 is a settings issue — no repair is needed. If adjusting the audio format setting does not help, check the cables and the TV's audio output settings. Contact Roku support if the audio setting options are missing from your Roku menu.

Frequently Asked Questions

Will I lose picture quality if I switch Roku's audio to Stereo?

No. Audio and video are completely separate settings on Roku. Switching to Stereo audio will not affect your picture quality at all. You can always switch back to a surround format later once the audio issue is resolved.

What is the best audio setting for a Roku connected directly to a TV with no soundbar?

For a TV without a soundbar or receiver, set Roku's audio mode to Stereo or Auto. Most TV speakers cannot decode Dolby Digital or DTS — they need a stereo signal. Setting it to Stereo ensures clear audio from your TV speakers every time.

Does a cheap HDMI cable cause audio errors on Roku?

Yes, it can. Very cheap cables may not reliably carry the signal required for ARC or advanced audio formats. For a basic TV setup, any standard HDMI cable works fine. If you use HDMI ARC with a soundbar, use a cable labeled 'High Speed' or 'Premium High Speed HDMI'.