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Firefox browser - HW acceleration issues

So, my problem is with HW acceleration in FF. Basically: If its enabled: It causes graphical artifacts in videos [See screenshot]. If its disabled: It brings screen tear… (tuilleadh eolais)

So, my problem is with HW acceleration in FF. Basically:

If its enabled: It causes graphical artifacts in videos [See screenshot]. If its disabled: It brings screen tear in to videos and autoscroll [Like if Vsync is disabled in games].

I tried safe mode, I tried reinstall of FF, I tried disabling and enabling extensions. I tried to set Vsync on in Nvidia control panel... the only thing that impact those bugs is HW acceleration in FF.

My drivers are up to date, my browser is up to date, yet there is such trouble.

Any ideas or solutions?

Asked by m.jablonicky2710 5 lá ó shin

Answered by m.jablonicky2710 9 n-uaire ó shin

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The '+' sign on the tab bar no longer appears

I updated Firefox this morning to 139.0.4 on my Mac and now the '+' sign to add a new tab no longer appears on the tab bar. I can still add new tabs with Command T howev… (tuilleadh eolais)

I updated Firefox this morning to 139.0.4 on my Mac and now the '+' sign to add a new tab no longer appears on the tab bar. I can still add new tabs with Command T however.

Any suggestions on how to restore the '+' sign?

Thanks Dan

Asked by danbob6 1 lá ó shin

Answered by Ed 23 uair ó shin

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  • Faoi Ghlas

Update Firefox funktioniert nicht

Sehr geehrtes Team, ich wurde aufgefordert, ein Upload zu starten bei Firefox. Das habe ich versucht. Ich erhalte die Meldung 'Couldn't load XPCOM' Was muss ich tun, u… (tuilleadh eolais)

Sehr geehrtes Team, ich wurde aufgefordert, ein Upload zu starten bei Firefox. Das habe ich versucht. Ich erhalte die Meldung 'Couldn't load XPCOM' Was muss ich tun, um Firefox wieder zu starten ?? Wird dringend wg. Kontoprüfungen benötigt ! Kann dieses evtl. an fehlender Kapazität liegen ? Z.Zt. habe ich 371 MB von 111 KB zur Verfügung. Ich bitte Sie, mir schnell zu helfen - Danke vielmals. MfG Karin Gähler Telefon +49 [phone number removed]

Asked by Karin Gähler 23 uair ó shin

Answered by Denys 12 uair ó shin

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‘How do I move the "Home" icon to the left side where it used to be before the latest update?’ for ‘Firefox’

I recently needed to reinstall Firefox to attempt to deal with an issue. It turned out Firefox was not the cause but when the new browser opened, it did not have the Home… (tuilleadh eolais)

I recently needed to reinstall Firefox to attempt to deal with an issue. It turned out Firefox was not the cause but when the new browser opened, it did not have the Home icon on the toolbar.

I went to "Customize toolbar" and added it but now it shows up on the far right end of the toolbar. It used to be to the left of the URL area. I tried to grab it with the mouse and drag it but it won't move.

Every time I need to jump to a home page I end up going where it used to be. I realize this is small potatoes but is there any way to get it back where it used to be?

Asked by caladie 1 lá ó shin

Answered by caladie 13 uair ó shin

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How do I Sync tag groups, and more, to another computer?

Hi, I have tried to sync between my two computers, but it did not work out well: e.g when I click on ‘show more bookmarks (>>)’ on the right side of the screen (… (tuilleadh eolais)

Hi,

I have tried to sync between my two computers, but it did not work out well:

e.g when I click on ‘show more bookmarks (>>)’ on the right side of the screen (next to Other Bookmarks) I get - Firefox is not responding and I have to click on

-> Close the program.

If I click on -> Wait for the program to respond - Firefox never responds! And before I click on -> Close the Program - my keyboard input is totally erratic!

This occurs on both computers! - what can I do…..

I have therefor on the computer I want to be on the receiving end:

- deleted: History, Downloads and Tags and All Bookmarks - Cleared browsing data and cookies - Closed all open tabs

And now I am Signed in with Syncing; ON - on both computers again.

But I have not checked any of the check-boxes in ‘Manage sync…’ - ‘Manage what syncs on all your connected devices’ i.e. Bookmarks, Passwords, settings, History, Payment methods, Open tabs, Add-ons

Why is there no check-box tag groups!

What do I have to do on my SOURCE compute and on the DESTINATION computer for - a one way sync of everything?

Best regards, Einar

PS,

After Signing in I was presented with the following, and I chose Not Now

Sync your Firefox experience View your saved passwords, tabs, browsing history and more — across all your devices. Select an option to continue:

- I already have Firefox for mobile Start your sync now if you already have Firefox on your mobile device. 

- I don’t have Firefox for mobile Download Firefox on your mobile device, then start your sync.

Not now

Asked by einar_flaathe 5 lá ó shin

Answered by einar_flaathe 5 lá ó shin

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Login into m'y account fails on Windows but works on Android

Hello, Login into my firefox account works on Android but, with the same username and password, fails on Windows 11 with the error message " Something went wrong..." I wo… (tuilleadh eolais)

Hello, Login into my firefox account works on Android but, with the same username and password, fails on Windows 11 with the error message " Something went wrong..." I would appreciate getting your help to fix this issue. Thank you and regards.

Asked by SM 1 lá ó shin

Answered by Denys 1 lá ó shin

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"Expand sidebar on hover" option for vertical tabs resets scroll position when I have a lot of tabs

I'm using the vertical tabs feature. I also tried enabling the "Expand sidebar on hover" option, which minimizes the side bar, and only expands it when you hover on it. … (tuilleadh eolais)

I'm using the vertical tabs feature. I also tried enabling the "Expand sidebar on hover" option, which minimizes the side bar, and only expands it when you hover on it.

Issue: I have a lot of open tabs, and I'm usually working with the ones at the bottom of the list. When the bar minimizes the scroll position resets back to the beginning. So, every time I want to select a tab, I have to scroll back down, which makes this feature very hard to use.

Expected behavior: After the vertical bar minimizes, and I hover again, it should keep the scroll position.

Asked by razzvy20 3 seachtaine ó shin

Answered by razzvy20 1 lá ó shin

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its about tabs in firefox window

i attached a pic when i put my curser on the firefox icon in my task bar.... i changed my device while ago... previous device show windows not the all tabs... can i fix i… (tuilleadh eolais)

i attached a pic when i put my curser on the firefox icon in my task bar.... i changed my device while ago... previous device show windows not the all tabs... can i fix it... i searched everywhr in settings but i couldnt find any thing related to it....

Asked by Audarya Kumarasinghe 1 lá ó shin

Answered by jscher2000 - Support Volunteer 1 lá ó shin

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Customization Panel, Under The Wallpapers Section

Today (06/12/2025) upon opening a new tab, Firefox slid the new option of uploading a custom picture to apply to the background. Tried the new feature, now I can not find… (tuilleadh eolais)

Today (06/12/2025) upon opening a new tab, Firefox slid the new option of uploading a custom picture to apply to the background. Tried the new feature, now I can not find the setting that allows me to change the picture. I read the thread "Customize your wallpapers". The instructions are as follows; You can personalize your Firefox New Tab page by adding one of the available wallpapers. Follow these steps:

  1. In the right corner of the New Tab page, click the gear IG settings icon.
  2. In the customization panel, under the Wallpapers section, you will see different categories like Solid colors, Abstract and Photographs.
       Click the category you prefer. For example, selecting Abstract will show a variety of abstract designs. 


The problem I have is the customization panel is no where to be seen, I have click on EVERYTHING possible, it is not in my settings, why? How do find this?

Asked by T Fontana 2 lá ó shin

Answered by T Fontana 1 lá ó shin

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Firefox ratings of Amazon reviews have disappeared

Why have ratings of reviews on Amazon disappeared and how do I restore that feature? I do not see a price tag in the upper righthand corner. I'm running Firefox on a PC w… (tuilleadh eolais)

Why have ratings of reviews on Amazon disappeared and how do I restore that feature? I do not see a price tag in the upper righthand corner. I'm running Firefox on a PC w/Windows 10.

Asked by Polly Kummel 1 lá ó shin

Answered by TyDraniu 1 lá ó shin

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Bookmarks lost

I have just restarted my computer following installation of updated software. I find that Firefox has lost all my bookmarks. Are they stored somewhere, and if so how can … (tuilleadh eolais)

I have just restarted my computer following installation of updated software. I find that Firefox has lost all my bookmarks. Are they stored somewhere, and if so how can I recover them?

Asked by ajs124 1 seachtain ó shin

Answered by ajs124 1 seachtain ó shin

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Firefox deleted user data after the update

I updated firefox, and all my addons and sign ins are gone now. Search history and tabs remained intact. It also created a folder on my desktop, but I'm not sure how do I… (tuilleadh eolais)

I updated firefox, and all my addons and sign ins are gone now. Search history and tabs remained intact. It also created a folder on my desktop, but I'm not sure how do I "extract" my old data from it.

Asked by Damir Zasimenko 2 lá ó shin

Answered by jscher2000 - Support Volunteer 2 lá ó shin

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bookmarks

I would like to know what happened to all of my bookmarks I had when I opened my firefox, nothing is there and I can't seem to find out how to restore them.. what ever yo… (tuilleadh eolais)

I would like to know what happened to all of my bookmarks I had when I opened my firefox, nothing is there and I can't seem to find out how to restore them.. what ever you have done to firefox, mozilla I hate to say I don't like it at all.. thanks

Asked by lis152 2 lá ó shin

Answered by jscher2000 - Support Volunteer 2 lá ó shin

  • Faoi Ghlas

Somewhere a dead phone number is blocking my ability to use my debit card for transactions.

When I last tried to buy with Google stored debit card from my bank the transaction was blocked by the presence of a four-month old phone number. I have updated several w… (tuilleadh eolais)

When I last tried to buy with Google stored debit card from my bank the transaction was blocked by the presence of a four-month old phone number. I have updated several weeks ago to my current telephone number and address. Yet the new number is not there, instead the old number is not helping me.

Asked by WmRobt 2 lá ó shin

Last reply by Denys 2 lá ó shin

  • Réitithe

Twitch stopped working in Windows 7.

05/20/2025 twitch streams stopped working, image disappeared, sound is there. Also working videos that are on twitch, not streaming. In windows 10 everything works. … (tuilleadh eolais)

05/20/2025 twitch streams stopped working, image disappeared, sound is there. Also working videos that are on twitch, not streaming. In windows 10 everything works.

Asked by RikiTikiTak 3 seachtaine ó shin

Answered by RikiTikiTak 3 seachtaine ó shin