Firefox Community Forum

Hi. Every time I go into youtube, the sound cuts out after about an hour. I then have to go to settings, volume mixer and Mozilla Firefox and click on the X to get the sound back. Youtube has assured me this is not their problem, but a Mozilla one. I've been with Firefox for many many years and have never had this problem. Could you please advise me as to what to do about this ? Thank you.

Hello, I am hoping someone can help me. I am getting white pixels/lines during youtube play back. There is only ever one at a time. I do not get it every time I watch a video. The lines move with the player if I move the browser.

I have tried: Updating Firefox/drivers Turning Hardware acceleration on/off Setting Firefox to use the dGPU Changing the Optimus mode

I am using Windows 11 and have a Legion 7i Pro Gen 8

I have uploaded an image that shows the line. The line appears in the grass on the right.

Many thanks

I was watching some German video (not on YouTube) and needed the subtitles translated into English. The translation itself was great, but as the video went the subtitles were switching from original language to translated, making it almost impossible to read them. The subs are fine when I press 'pause', but pressing it all the time in the moment of a long dialogue for example is inconvinient. I wonder if there's a way I can fix it myself in the browser's settings, or if it's a bug that will be fixed in future updates

I use earbuds to listen to the audio on my desktop computer via Bluetooth. I have a number of pairs of earbuds plus hearing aids. Recently this feature just stopped working one day. I've used Troubleshoot and haven't found a fix yet. I know how to pair to Bluetooth, etc. The number of settings in Firefox and Win 10* that might affect bluetooth are mind-boggling. Anyone have any ideas? Please?

• I got an extension from MS to continue updates to my Win10 for some period of time.

My computer won't run Win 11. Telling me to get a new computer is not helpful, I'm afraid. Appreciate all suggestions! :) Kathy

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MY FIREFOX IS HAVING AUDIO ISSUES. THE VOLUME INCREASES BY ITSELF IT HAPPENS USUALLY IF I ENTER OR EXIT FULL SCREEN MODE, OR IF THE VIDEO OR MOVIE STOPS TO BUFFER FOR A MOMENT IT WILL COME BACK ON AT 3 OR 4 TIMES THE VOLUME. ITS A IRRITATING REGULAR OCCURRENCE. IVE TRIED SETTINGS, AND UPDATES BUT NOTHING SEEMS TO FIX IT. IT SEEMS TO HAPPEN ON ANY WEBSITE I USE. (YOUTUBE, SEVERAL MOVIE WEBSITES AND CARTOON WEBSITES. ITS BEEN GOING ON FOR A COUPLE OF YEARS AND ITS VERY FRUSTRATING. I HAVE TO CONSTANTLY READJUST IT IN AND OUT OF ALMOST EVERYTHING I WATCH. HOW DO I FIX THIS ?

Hey. Something happen after the last update of the browser. I can se videos online but not hear any sound . I have tried with other browser then i have sound but in firefox i dont have sound . Is this fixable  ???? Kindest gregards Tom

in my about:config browser.ipProtection.enabled is messing with my ability to stream music inside and out of FireFox when I go and disable it my music starts working again however after a short time it turns it self back on

For the past month, out of the blue, I have been unable to play Spotify via my web browser. After troubleshooting with Spotify chat, it seems the issue is actually Firefox, because if I choose to play it via the app installed on my computer, it will play, but not via the web browser.

It was display "Spotify can't play this right now".. then it will skip through three songs, play ads & then will play the first 10 seconds of audio of the next song & then it will cut out.

Anyone else experiencing issues with Spotify via the Firebox web browser?

Started OBS Vitrual Camera option. in Firefox the camera is no listed.

https://webrtc.github.io/samples/src/content/getusermedia/gum/

only shows phyiscal cams.

How can virtual cameras listed in Firefox?

``` $ v4l2-ctl --list-devices --all OBS Virtual Camera (platform:v4l2loopback-000):

       /dev/video0

SandbergCapture: SandbergCaptur (usb-0000:07:00.0-1):

       /dev/video1
       /dev/video2
       /dev/media0

```

but OBS Virtual Camera is not listed

It was working fine until the day before yesterday. The volume of the speaker got low before it stopped working. The PodCast and Vimeo are working fine. So it is not the problem of my computer speaker.

Summary

When using the Spotify Web Player in Firefox, Bluetooth audio devices disconnect whenever the playback position changes (automatic track transition or manual seek). The issue does not occur in Google Chrome or other media applications.

Environment Firefox Version: 153.0.1 (64-bit, Release) Operating System: Windows 11 Home 25H2 (Build 26200) Laptop: Lenovo ThinkPad E14 Gen 5 (AMD Ryzen 5 7530U) Audio Backend: WASAPI Graphics: WebRender Bluetooth Device Tested:

• Google Nest Mini (Bluetooth mode)
• boAt Stone 1010 (same behavior)

Problem Description Spotify Web Player starts playing normally through a Bluetooth audio device.

However, whenever:

• the current song automatically changes to the next track, or
• I manually seek within a song (forward or backward), or
• I manually switch to another track,

the following happens: 1. Spotify continues playing (the progress timer keeps increasing). 2. No audio is heard after the track transition or seek. 3. The Bluetooth device remains connected for approximately 15–18 seconds without receiving audio. 4. After about 15–18 seconds, the Bluetooth device disconnects automatically from Windows.

The Bluetooth disconnection appears to be a consequence of Firefox no longer sending audio after the media transition.

Expected Behavior Audio should continue immediately after:

• automatic track changes,
• manual seeking,
• or switching tracks,

without interrupting the Bluetooth audio stream or disconnecting the Bluetooth device.

Actual Behavior

• Spotify playback timer continues.
• No audio is produced.
• Bluetooth audio stream becomes silent.
• Approximately 15–18 seconds later, the Bluetooth device disconnects.

What I Tested Works correctly

• Spotify Web Player in Google Chrome
• VLC Media Player
• General Windows audio playback

Fails consistently

• Spotify Web Player and youTube web in Firefox 153.0.1

The issue is reproducible with multiple Bluetooth audio devices, indicating it is not specific to a single speaker or headset.

Additional Observations

• Opening other Firefox tabs or using other applications does not disconnect Bluetooth.
• The issue only occurs when Spotify and YouTube changes its audio stream (track transition or seeking).
• Bluetooth remains stable while audio is continuously playing.
• The disconnect only occurs after Firefox stops outputting audio during a track change.

Firefox Information

• Audio Backend: WASAPI
• Graphics Compositing: WebRender
• Hardware acceleration available
• No crashes reported

Steps to Reproduce 1. Connect a Bluetooth speaker or headset to Windows. 2. Open Firefox. 3. Open Spotify Web Player. 4. Start playing music. 5. Wait for the next song to start automatically, or manually seek forward/backward or switch tracks. 6. Observe that audio disappears immediately. 7. After approximately 15–18 seconds, the Bluetooth device disconnects automatically.

Frequency 100% reproducible on my system.

When I'm on websites such as Reddit or Facebook, and I'm scrolling down, if I come across more than one post where there is a video, the screen will start to flicker. Only one video will play, but the screen flickers. If there is only one video on the screen, it is fine.

I can turn off Hardware Acceleration and this will resolve the issue, however, when I go to other sites such as Apple TV or GeoGuessr, the sites lag until I turn Hardware Acceleration back on.

The issue seems to be between Hardware Acceleration and when multiple videos are loading on a page.

Hello,

I am experiencing a serious display flickering/refresh issue in Firefox when opening DRM streaming websites such as Netflix, Amazon Prime Video and HBO/Max.

My system:

GPU: NVIDIA GeForce RTX 3080 Monitor: LG 34GL750 Windows PC Latest NVIDIA driver installed

The problem:

When I open Netflix/Prime Video/HBO/Max in Firefox, the display repeatedly flickers or appears to restart. There is no "No Signal" message from the monitor. Closing Firefox sometimes makes the display recover. Unplugging/reconnecting the display cable has sometimes been necessary. The same problem does NOT occur in Brave, using the same PC, GPU, monitor and cable.

Troubleshooting already performed:

Updated to the latest NVIDIA driver, including the recent driver update that mentioned display-related issues. Tried a different display cable. Disabled Firefox hardware acceleration. Tested with Firefox Troubleshooting Mode — the problem still occurs. Disabled/enabled Firefox DRM/Widevine — the problem still occurs. Tested with a completely new Firefox profile — the problem still occurs. Disabled G-SYNC — the problem still occurs. Disabled uBlock — the problem still occurs. Checked about — there are no recent crash reports related to the problem.

Firefox about information:

GPU #1: NVIDIA GeForce RTX 3080 Active: Yes

In my normal Firefox profile: Compositing: WebRender (Software) HARDWARE_VIDEO_DECODING: runtime: unavailable Requires texture sharing Blocklisted; failure code FEATURE_FAILURE_BROKEN_TEXTURE_SHARING

In a completely new Firefox profile: HARDWARE_VIDEO_DECODING: default: available

However, the display problem still occurs in the new profile.

Thank you.

I'm on a Mac desktop, Mac Tahoe 26.6.2, using the latest version of Firefox, although this frequently happened in previous versions. Audio often disappears from videos and reels. When I refresh the page, nothing happens. To get sounds working again, I have to quit Firefox and restart, but by then I've lost the reels I was watching. This is a big issue for me as I am a musician. Any ideas on how to fix this permanently?