No not being sarcastic.
The can be missing because the screen is over large for the frame[Monitor adjustment]
So check out the physical adjuxtments of your monitor- these can be by individual buttons or a screen display- depend on your monitor model.
If this does not produce the result then
Control Panel/Display/settings screen resolution.
If it is set to max- arrow far- right- pull the arrow back slightly and click OK- you anlways revers this is it does not suit.