How to set Picture Size in Samsung Smart TV?

a). Your remote control will have a button on it to quickly adjust the Picture Size.Press the P.SIZE button  :

b).  The Picture Size will be displayed on the screen as shown below :

c).  The Picture  portion of the Main Menu will be selected by default, if it is not selected use the directional arrows to select the Picture portion.

d).  Use the directional arrows to select Screen Adjustment  as shown below :

e). Picture Size will be selected by default if not use the directional arrows to select Picture Size as shown below : 

f).  Use the directional arrows to select the desired Picture Size as shown below : 

NOTE:  Sometimes there might be an issue that thin colored lines appear on the screen of your Samsung Smart TV and this can be resolved  by adjusting the picture size of your Smart TV as mentioned above. Click here  to know more about why the colored line appears .