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Why does my mousewheel adjust firefox brightness when i scroll?

  • 2 replies
  • 1 has this problem
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  • Last reply by cor-el

sirgleepy
sirgleepy
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when i have firefox open and scroll down , the screen dims until it is almost 100% dark . When i scroll up it gets brighter again

when i have firefox open and scroll down , the screen dims until it is almost 100% dark . When i scroll up it gets brighter again

Chosen solution

-> Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems

Check and tell if its working.

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All Replies (2)

Hasan
Hasan
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Chosen Solution

-> Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems

Check and tell if its working.

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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Did you check the mouse wheel settings in the Control Panel > Mouse?

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).