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详细了解

When I open firefox my screen fills up and I don't have the top part with the tool bar or tabs. How do I fix this. It does not do this with explorer

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When I open firefox the whole screen fills with the firefox page but no tabs or toolbar at the top of the screen. It does not do this if I use Internet Explorer. I can google say, my email of facebook and I can get there but there is no way to get out of this page, no "red" X to close the sight.

When I open firefox the whole screen fills with the firefox page but no tabs or toolbar at the top of the screen. It does not do this if I use Internet Explorer. I can google say, my email of facebook and I can get there but there is no way to get out of this page, no "red" X to close the sight.

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"F11" toggles Full Screen mode on/off

see

Not to be confused with Maximize/Restore button in upper right corner which leaves your toolbars intact.

Just noticed your mention of missing the red "X" (red background), are you also missing the vertical scrollbar on the right side.

If you are referring to not being able to close a tab, you will not see the "X" on a tab if it is the last tab, in fact you may not even see the tab bar, that depends on your options and on configuration options for how the close tab is to appear.

Check your about:config options

The following options are found within these two articles

browser.abs.autoHide Boolean

Behavior for the tab bar when only one tab exists
True (default): Hide the tab bar
False: Always show the tab bar
Note: In Firefox, this can be changed via "Tools → Options → Tabs → Always show the tab bar (Firefox 2 and above) or Tools → Options → Tabs → Hide the tab bar when only one web site is open (Firefox 1.5).

browser.tabs.closeButtons Integer (Firefox 2.0)

This preference controls how close buttons can be displayed on tabs.
0: Display a close button on the active tab only
1: (default) Display a close button on each tab
2: Don't display any close buttons
3: Display a single close button at the end of the tab bar (Firefox 1.x behavior)


Please mark "Solved" one answer that will best help others with a similar problem -- hope this was it. But please also leave a comment because of the several possibilities and we would like to know which problem you actually experienced.

由David McRitchie于修改