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i did something that changed my viewing screen and cannot correct it. It ssems that my screen is too big for the monitor. Ihave a lot of blank space on the left side and cannot view my side slide bar on the right side-how can i adjust the screen

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the viewing screen is off center -govong blanck space to the left and not allowing me see the slide bar on right

the viewing screen is off center -govong blanck space to the left and not allowing me see the slide bar on right

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Reset the page zoom on pages that cause problems: View > Zoom > Reset (Ctrl+0 (zero); Cmd+0 on Mac)

Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of the extensions is causing the problem (switch to the DEFAULT theme: Firefox (Tools) > Add-ons > Appearance/Themes).

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go to View Menu -> Zoom -> click "Reset"

go to View Menu -> Page Style -> select "Basic Page Style"

go to Help Menu -> select "Restart with Add-ons Disabled"

Firefox will close then it will open up with just basic Firefox. If above suggestions don't work then

go to Tools Menu -> Add-ons -> Extensions section -> REMOVE any Unwanted/Suspicious Extension (add-ons) -> Restart Firefox

You can enable the Trustworthy Add-ons later. Check and tell if its working.

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