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An unintended keystroke combination reduced the display to 2/3 of the screen (NOT F11) leaving the right-hand side black in only one tab (other tabs are ok).


Windows 7, Firefox 17.0

Solved! Thanks Tyler

Windows 7, Firefox 17.0 Solved! Thanks Tyler

Modified by arnesson

Additional System Details

Installed Plug-ins

  • Shockwave Flash 11.5 r502
  • Next Generation Java Plug-in 10.9.2 for Mozilla browsers
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • VLC media player Web Plugin 2.0.2
  • 5.1.10411.0


  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20100101 Firefox/17.0

More Information

Tyler Downer
  • Moderator
1383 solutions 9316 answers

Chosen Solution

[[Font size and zoom - increase the size of web pages]] try to reset the zoom to 100%