Partial Screen Black spots
I have been facing this problem since 3 months. I tried to reinstall and reset Firefox but no result came out. Every time when I open any tab, there is a dynamic partial black zone on the window which changes shape and sizes. And it slow downs the browsing speed. Please Help. Thanks in advance.
I have been facing this problem since 3 months. I tried to reinstall and reset Firefox but no result came out. Every time when I open any tab, there is a dynamic partial black zone on the window which changes shape and sizes. And it slow downs the browsing speed. Please Help. Thanks in advance.
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Start Firefox in Safe Mode {web link}
A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?
You can try to disable hardware acceleration in Firefox.
- Options/Preferences -> General: Performance
remove checkmark: [ ] "Use recommended performance settings"
remove checkmark: [ ] "Use hardware acceleration when available" - https://support.mozilla.org/en-US/kb/performance-settings
Close and restart Firefox after modifying the setting for changes to take effect.
You can check if there is an update for your graphics display driver and check for hardware acceleration related issues.