To disable scroll lock, press the Scroll Lock key (often labeled as ScrLk) on your keyboard. If your computer does not have a Scroll Lock key, do one of the following:
You can tell if Scroll Lock is turned on, because Scroll Lock appears in the Excel status bar.
If you suspect that Scroll Lock is turned on, but Scroll Lock does not appear in the Excel status bar, it may be because the status bar is customized to hide the Scroll Lock status. To determine if this is the case, right-click the Excel status bar. Look for the check box to the left of the Scroll Lock. If a check is not visible, Scroll Lock does not appear in the Excel status bar. Simply check the box to have the status appear on the status bar.