The steps in this article are appropriate for browsing issues in general, including issues such as the following. Before you get started, make sure that your Mac is connected to the internet.
Bookmarks and browsing history are stored in the Firefox profile folder in the file places.sqlite. If there is a problem with this file, your bookmark changes may be lost whenever you restart Firefox. You can force Firefox to create another places.sqlite file by deleting (or renaming) the existing one. Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools Add-ons Extensions) or if hardware acceleration is causing the problem. Switch to the DEFAULT theme: Firefox/Tools Add-ons Appearance Do NOT click the Reset button on the Safe Mode start window.
- A webpage doesn't open (blank page) or show all of its content
- You can't to sign in to a webpage, despite using the correct sign-in information
- A webpage asks you to remove or reset cookies
- Safari slows down or stops responding
Reload the page
- Sorry I can't help, but yes, I'm having the same problem. Seems to have appeared since Firefox 41 came out (I'm running on OS X 10.11). Like you, I find it's just freezing up, but unable to Force Quit it, and it doesn't show up in any process lists, and it can't be relaunched either.
- If closing tabs and clearing the cache didn't work, it's a good idea to update Firefox and macOS to its latest versions. When Firefox is active, just click on Firefox in the menu and select About Firefox. The latest available update should start downloading automatically. When it's ready, click Restart to Update Firefox and you are ready to go.
- Press Ctrl + Shift + E ( Command + Option + E on a Mac). Select 'Network' from the Web Developer menu, (which is a submenu of the Tools menu on OS X and Linux). Click the wrench icon , which is in the main toolbar or under the Hamburger menu , then select 'Network'. The Network Monitor will appear at the bottom of the browser window.
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If a page doesn't open or finish loading, try to reload it: Choose View > Reload Page or press Command-R. If that doesn't work, press Command-Q to quit Safari, then reopen Safari and try again. If Safari doesn't quit, press Option-Command-Esc to force Safari to quit. Dell xps 420 vista 32 sm bus controller driver vista 64.
Install software updates
Install all available Apple software updates, which can include updates for Safari. If you installed any Safari extensions, update them as well. Mojave requirements macbook air 13.3.
Turn off Safari extensions
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Even if your Safari extensions are up to date, temporarily turn them off to be sure they aren't affecting Safari in unexpected ways. Choose Safari > Preferences, then click Extensions. To turn off an extension, deselect its checkbox.
Test with a private window
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A website can store cookies, caches, and other data on your Mac, and issues with that data can affect your use of the website. To prevent the website from using that data, view the website in a private window: Choose File > New Private Window.
If that works, use the following steps to remove the website's data from your Mac. The website can then create new data as needed. If it's a website that you sign in to, make sure that you know your sign-in information before continuing.
- Choose Safari > Preferences, then click Privacy.
- Click Manage Website Data.
- Select the affected website from the list shown.
- Click Remove.
- Click Done.
- Open the website again in a non-private browser window.
Check network settings
Certain network settings, such as those related to using a proxy server or custom DNS server, can affect access to content on the internet. Even if you haven't changed your network settings, you might have installed software that changed those settings for you.
To find out whether the issue is with the network settings on your Mac, try viewing the website from some other device connected to the same network. You can also add a new network location in Network preferences as a way to quickly reset your network settings for testing.
To find out whether the issue is with your network itself, try viewing the website after connecting to a different network.
Resolve other issues
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If you still need help, please contact Apple Support.