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After unlocking my computer, the firefox window doesn't render correctly.

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Mortico
Mortico
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After locking, then unlocking my computer, the firefox window won't display correctly. A lot of the buttons are just white squares and the webpages get all wonky and unreadable.

I am running Windows 10.

After locking, then unlocking my computer, the firefox window won't display correctly. A lot of the buttons are just white squares and the webpages get all wonky and unreadable. I am running Windows 10.

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Mortico
Mortico Kysymyksen kysyjä
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I don't think my screenshot attached correctly. Attaching now.

cor-el
cor-el
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You can try to disable hardware acceleration in Firefox.

  • Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"

You need to close and restart Firefox after toggling this setting.

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

Do a clean reinstall and delete the Firefox program folder before (re)installing a fresh copy of the current Firefox release.

If possible uninstall your current Firefox version to cleanup the Windows registry and settings in security software.

  • Do NOT remove "personal data" when you uninstall your current Firefox version, because this will remove all profile folders and you lose personal data like bookmarks and passwords including data in profiles created by other Firefox versions.

Remove the Firefox program folder before installing that newly downloaded copy of the Firefox installer.

  • (32 bit Windows) "C:\Program Files\Mozilla Firefox\"
  • (64 bit Windows) "C:\Program Files (x86)\Mozilla Firefox\"

Your bookmarks and other personal data are stored in the Firefox profile folder and won't be affected by an uninstall and (re)install, but make sure NOT to remove personal data when you uninstall Firefox as that will remove all Firefox profile folders and you lose your personal data.

If you keep having problems then create a new profile.