Firefox 技術支援討論區

When I try to use the find bar, it shows up black and won't search for text. It doesn't even say "phrase not found." I tried searching for words I knew were in the webpage and that I could see and it still wouldn't work. The quick search bar does the same. I tried restarting with add-ons disabled and nothing happened. I'm kind of at a loss at what to do.

Here's an image of the find bar if that helps any.

In some input text area, cursor and text doesn't display, although the input box accept those input. The text input can be seen if highlight is applied. Otherwise, the input box will show nothing