Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

weird graphical bug when connected to tv through HDMI when on duplicate mode

  • 4 replies
  • 0 have this problem
  • 1 view
  • Last reply by IcyCarbide

more options

Hello, I have a weird bug with the firefox browser causing weird graphical glitches only on the main screen when a HDMI cable is plugged in on the duplicate mode. I have found that is is only on firefox and not my desktop or any other programs. Firefox is up to date and the issue is fixed when the HDMI set to extend

I hope you find out why this is happening and fix it swiftly Thank you -Dominic

Hello, I have a weird bug with the firefox browser causing weird graphical glitches only on the main screen when a HDMI cable is plugged in on the duplicate mode. I have found that is is only on firefox and not my desktop or any other programs. Firefox is up to date and the issue is fixed when the HDMI set to extend I hope you find out why this is happening and fix it swiftly Thank you -Dominic

Chosen solution

You can try to disable hardware acceleration in Firefox.

Close and restart Firefox after modifying the setting to apply changes.

You can check if there is an update for your graphics display driver and check for hardware acceleration related issues.

Read this answer in context 👍 0

All Replies (4)

more options

Chosen Solution

You can try to disable hardware acceleration in Firefox.

Close and restart Firefox after modifying the setting to apply changes.

You can check if there is an update for your graphics display driver and check for hardware acceleration related issues.

more options

Alright that seems to have solved the issue! Thanks!! :)

more options

You're welcome. Do you remember when and why you started using userChrome.css ? Was that to fix an issue with the address bar drop-down that you didn't like ?

more options

I don’t know anything about that? Never messed around with it