why do pulldown lists embedded in web sites not allow me to pick from the list?
For example, creating a new account on amazon, when you get to the point of filling in your address, it won't let me choose a country.
Same goes for buying tickets from live nation. All the fill-in fields accept input, but the pulldowns for expiration date won't let me select one.
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Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance/Themes).
- Don't make any changes on the Safe mode start window.
- https://support.mozilla.org/kb/Safe+Mode
Try to disable hardware acceleration.
- Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
If disabling hardware acceleration works then check if there is an update available for your graphics display driver.
Well, it turns out I had to log out (apparently that never ever happens -- my kid's computer -- we go into hibernate mode all the time), log in, and voila everything works fine.
On an alternate account, everything worked. That's what made me log out/in on the problem account.
I had previously re-installed firefox (using the problem account), and my next step was to re-install Java from scratch, but not any more.
I am curious what the underlying problem could be. No other apps exhibited problems of any kind.
由jaygs于修改