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Firefox Inspect won't open

  • 4 replies
  • 2 have this problem
  • 7312 views
  • Last reply by aurrutia

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Sometimes when I open Inspect (alt+command+i) the frame is empty and the Inspect doesn't load. I'm using a Firefox 44.0.2 for MacOSX El Capitan and this a recurrent problem I had in other Macs. Does connecting from China could be one of the reasons? Here many servers are blocked so maybe a library doesn't load?

Please check the screenshot, any idea?

Thanks!

Attached screenshots

Chosen solution

Did you try to use the right-click context menu to open the Inspector in cases where the keyboard isn't working?

Can you open the Inspector directly (3-bar button or Tools > Web Developer) and does it stay open if you first open the Inspector in a tab and then open the web page?

It is possible that some JavaScript running on a web page or a plugin intercepts key presses and in such a case you can use alternatives with the mouse.

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Chosen Solution

Did you try to use the right-click context menu to open the Inspector in cases where the keyboard isn't working?

Can you open the Inspector directly (3-bar button or Tools > Web Developer) and does it stay open if you first open the Inspector in a tab and then open the web page?

It is possible that some JavaScript running on a web page or a plugin intercepts key presses and in such a case you can use alternatives with the mouse.

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Thanks @cor-el I've tried it yes and the result is the same, Inspector won't open. Also tried with a new profile with no addons.

The only solution is to restart Firefox, this way I will be able to use Inspector. Thanks!

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Refreshing the page doesn't help as well?

You can reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.

  • Hold down the Shift key and left-click the Reload button
  • Press "Command + Shift + R" (Mac)
  • Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
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I can't reproduce the problem now since I restarted Firefox and works, but next time I will try your suggestion before restarting. Thanks.