Reseting Pram doesen't work

[Olegphoto]

Reseting Pram doesn't work on a Mac Book Pro Intel core duo I
Hold option- command- p-r - just before restart and nothing
Thx

 

[GGJstudios]

Reseting Pram doesn't work on a Mac Book Pro Intel core duo I
Hold option- command- p-r - just before restart and nothing
Thx

What are you trying to accomplish? Resetting NVRAM/PRAM is only appropriate for certain issues. What problems are you having?

Mac OS X: What's stored in PRAM
When to reset NVRAM or PRAM
Resetting your Mac's PRAM and NVRAM​