This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

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

Facebook appearance looks like the appearance on mobile app ??

  • 1 reply
  • 1 has this problem
  • 13 views
  • Last reply by FredMcD

more options

This problem has disturbed me for a long time. Even though I deleted FF and downloaded a new FF version, it still appeares strangely. It also slows down the loading speed and makes my computer lag. Please help me!

This problem has disturbed me for a long time. Even though I deleted FF and downloaded a new FF version, it still appeares strangely. It also slows down the loading speed and makes my computer lag. Please help me!

All Replies (1)

more options

Many site issues can be caused by corrupt cookies or cache.

  • Clear the Cache

How to clear the Firefox cache {web link}

and

  • Remove Cookies

This will log you out of all sites you're logged in to. Press the Alt or F10 key to bring up the tool bar. Followed by;

Windows; Tools > Options Linux; Edit > Preferences Mac; application name > Preferences

Then Privacy. Under History, select Firefox will Use Custom Settings. There is a button on the right side called Show Cookies.

If there is still a problem, Start Firefox in Safe Mode {web link} While you are in safe mode; Press the Alt or F10 key to bring up the tool bar. Followed by;

Windows; Tools > Options Linux; Edit > Preferences Mac; application name > Preferences

Then Advanced > General. Look for and turn off Use Hardware Acceleration.

Poke around safe web sites. Are there any problems?. Then restart.