Samsung used 2 different laptop keyboard vendors during production of this model, the easiest way
to compare which version your keyboard uses is simply compare the color of the hinge clip, if yours is white choose SA20, Black SA12.
Your R590 keyboard keys should look the same as below.
WHAT COMES WITH EACH LAPTOP KEYBOARD KEY ORDER
Video Installation Guide
Laptop key installation are so simple a kid can do it. Follow our FREE & EASY video guides.Installation Videos