Mac - How to fix disappearing scroll bar

Are you getting frustrated that you are not able to get your scroll bars in your macbook? You are not the only one. J

How to fix your scroll bar?

Here are the steps,

1. Click on the Apple logo on the left corner.
2. Click on System preferences
3. Under personal select General
4. Click on Always radio button under Show scroll bars. 

Now you can see your scroll bars not disappearing.