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Selecting item from select menu erratic

  • 10 回覆
  • 1 有這個問題
  • 2 次檢視
  • 最近回覆由 FredMcD

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When I click on a select menu to choose an option it either flashes up and then closes before I can select or I select an option and it closes without changing to my selection. If I hold down the left click it keeps the menu open and I can then choose my option, the dropdown closes but hasn't selected my choice of option. Attached is an animated gif demonstrating the problem

All Replies (10)

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The attachement didn't work first time

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Start Firefox in Safe Mode {web link} by holding down the <Shift> (Mac=Options) key, and then starting Firefox.

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

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The problem is still there.

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Let’s do a full clean re-install;

Download Firefox For All languages And Systems {web link}

Save the file. Then Close Firefox.

Using your file browser, open the Programs Folder on your computer.

Windows: C:\Program Files C:\Program Files (x86)

Mac: Open the "Applications" folder. https://support.mozilla.org/en-US/kb/how-download-and-install-firefox-mac

Linux: Check your user manual. If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it. See Install Firefox on Linux; https://support.mozilla.org/en-US/kb/install-firefox-linux

If you downloaded and installed the binary package from the Firefox download page, simply remove the folder Firefox in your home directory. http://www.mozilla.org/firefox#desktop ++++++++++++++++++++++++++++ Look for, and remove any Mozilla or Firefox program folders. Do not remove the Mozilla Thunderbird folder if there is one.

Do Not remove the profiles folder.

After rebooting the computer, run a registry scanner if you have one. Then run the installer. +++++++++++++++++++++++++++ If there is a problem, start your Computer in safe mode and try again.

http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode This shows how to Start all Computers in Safe Mode; Free Online Encyclopedia

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Before I try this, I should say that I also have the Firefox Developer Edition installed and it has the same erratic behaviour when selecting from a select menu.

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It might be best to remove every program and start over. You can reinstall Developer Edition later.

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I've removed all Firefox from the applications folder, rebooted and then installed Firefox again. Same problem with select boxes.

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Start Firefox in Safe Mode {web link} by holding down the <Shift> (Mac=Options) key, and then starting Firefox.

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?


Start your Computer in safe mode with network support. Then start Firefox. Try Safe websites. Is the problem still there?

http://encyclopedia2.thefreedictionary.com/Linux+Safe+Mode Starting Any Computer In Safe Mode; Free Online Encyclopedia

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Started computer in safe mode, started firefox in safe mode, same problem.

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I called for more help.