Avatar for Username

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

This thread was archived. Please ask a new question if you need help.

CPU usage and Fan noise

  • 1 reply
  • 1 has this problem
  • 8 views
  • Last reply by Terry

carid
carid
more options

Firefox is causing loud fan noise and very high CPU usage. It is to the point I am going to have to stop using it.

Here is my info: iMac 27" 3.5 GHz Quad-Core Intel Core i7 16 GB MacOS Catalina 10.15.7

Increased usage happens when there are 3 or more tabs are open or any sort of streaming on one tab. It goes up and down, but reaches up into the 90% area.

There must be a fix for this. No other browsers have this issue.

Firefox is causing loud fan noise and very high CPU usage. It is to the point I am going to have to stop using it. Here is my info: iMac 27" 3.5 GHz Quad-Core Intel Core i7 16 GB MacOS Catalina 10.15.7 Increased usage happens when there are 3 or more tabs are open or any sort of streaming on one tab. It goes up and down, but reaches up into the 90% area. There must be a fix for this. No other browsers have this issue.

All Replies (1)

Terry
Terry
more options

This article may help.

https://support.mozilla.org/en-US/kb/firefox-uses-too-much-memory-or-cpu-resources