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Firefox slow, can't type it right , strange print at top of Firefox page

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I been having problems with Firefox not working right it makes it impossible to type, it's very slow , strange dark print at the top of the page resembles Asian language i have factory reset my computer i got McAfee security on my computer i am running Windows 7 64 bit laptop , just this morning appears firefox reset itself without me doing it .

I been having problems with Firefox not working right it makes it impossible to type, it's very slow , strange dark print at the top of the page resembles Asian language i have factory reset my computer i got McAfee security on my computer i am running Windows 7 64 bit laptop , just this morning appears firefox reset itself without me doing it .

額外的系統細節

已安裝的外掛程式

  • Adobe PDF Plug-In For Firefox and Netscape 11.0.01
  • McAfee MSC FF plugin DLL
  • Shockwave Flash 16.0 r0
  • 5.1.30514.0
  • NPWLPG

應用程式

  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:34.0) Gecko/20100101 Firefox/34.0

更多資訊

FredMcD
  • Top 10 Contributor
4259 個解決方法 59646 個答案

Some added toolbar and anti-virus add-ons are known to cause Firefox issues. Disable All of them.


Start Firefox in Safe Mode {web link} While you are in safe mode;

Type about:preferences#advanced<Enter> in the address bar.

Under Advanced, Select General. Look for and turn off Use Hardware Acceleration.

Poke around safe web sites. Are there any problems?

Some added toolbar and anti-virus add-ons are known to cause Firefox issues. '''Disable All of them.''' ----------------- '''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode]''' {web link} While you are in safe mode; Type '''about:preferences#advanced'''<Enter> in the address bar. Under '''Advanced,''' Select '''General.''' Look for and turn off '''Use Hardware Acceleration'''. Poke around safe web sites. Are there any problems?