keyboard navigation no longer working
Keyboard navigation (cursor keys, home/end, page up/down) within a textbox does not seem to work for certain sites - gmail for example. Navigation in other form elements, like input fields seem to work fine. When I downgrade gmail to use their "basic html" version, everything works fine. Which leads me to think there is an issue with my version of javascript....
The keyboard shortcuts for copy an paste (ctrl-c / ctrl-v) only seem to work within a input field tag. It doesn't seem to work within any other html element - this happens on all sites.
I am using Ubuntu 10.4 (64 bit) with Firefox 3.6.8.
Any help troubleshooting this would be greatly appreciated.
由sonnychee于修改
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Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
See Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems and Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems
If it does work in Safe-mode then disable all your extensions and then try to find which is causing it by enabling one at a time until the problem reappears.
You can use "Disable all add-ons" on the Safe mode start window to disable all extensions.
You have to close and restart Firefox after each change via "File > Exit" (Mac: "Firefox > Quit"; Linux: "File > Quit")