If Scroll Lock is enabled on your Dell laptop and causing inconvenience, try the shortcut below.

What Is Scroll Lock?
Scroll Lock is a state that prevents users from smoothly using scrolling functions with the arrow keys and mouse.
How to Turn Off Scroll Lock
On Dell laptops, you can generally turn it off using the following shortcut.
Fn + S
When using shortcuts to work more efficiently, you may press this shortcut without realizing it.
Please note that this shortcut can both enable and disable Scroll Lock.
Disable It Using Software
On some Dell laptop models, you can manage keyboard settings through Dell software.
You can adjust various keyboard-related functions using Dell SupportAssist or Dell QuickSet.