Firefox used a lot of CPU. 的最新解答https://support.mozilla.org/zh-TW/questions/11360262016-08-23T19:01:57-07:00Start Firefox in Safe Mode {web Link} by holding down the <Shift> (Mac=Options) key, and the2016-08-23T19:01:57-07:00fredmcd-hotmailhttps://support.mozilla.org/zh-TW/questions/1136026#answer-909632<p>Start <strong><a href="https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode" rel="nofollow">Firefox in Safe Mode</a></strong> {web Link} by holding down the <strong>&lt;Shift&gt;<br> <em>(Mac=Options)</em> </strong> key, and then starting Firefox.
A small dialog should appear. Click <strong>Start In Safe Mode</strong> (not Refresh).
</p><p>Is the problem still there?
</p>
<hr>
<p><strong><a href="https://support.mozilla.org/en-US/kb/websites-look-wrong-or-appear-differently" rel="nofollow">https://support.mozilla.org/en-US/kb/websites-look-wrong-or-appear-differently</a></strong>
</p><p><strong><a href="https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster" rel="nofollow">https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster</a></strong>
</p><p><strong><a href="https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix" rel="nofollow">https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix</a></strong>
</p><p><strong><a href="https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding" rel="nofollow">https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding</a></strong>
</p><p><strong><a href="https://support.mozilla.org/kb/Firefox+is+already+running+but+is+not+responding" rel="nofollow">https://support.mozilla.org/kb/Firefox+is+already+running+but+is+not+responding</a></strong>
</p>