Rapidly switches from Normal View to Full Screen and Back
Since 10-11, Firefox 7 will occasionally start switching between Normal View and Full Screen View and back quite rapidly. The switching is so fast I can't click on the Close Program button. I never use full screen. I'm running FF7.0.1 on Win7 Home Premium SP1.
Since 10-11, Firefox 7 will occasionally start switching between Normal View and Full Screen View and back quite rapidly. The switching is so fast I can't click on the Close Program button. I never use full screen. I'm running FF7.0.1 on Win7 Home Premium SP1.
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Next time it happens hit F11 which toggles full screen mode on/off.
If that doesn't work try Safe Mode and then a new profile?
http://support.mozilla.com/en-US/kb/Safe+Mode
http://support.mozilla.com/en-US/kb/Basic%20Troubleshooting#w_8-make-a-new-profile
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.