New memory

[SinOfLiberty]

Do I have to clear the bios setting before upgrading or i can do that afterwards?

 

[UsandThem]

Do I have to clear the bios setting before upgrading or i can do that afterwards?

You shouldn't really have to do anything, as it will automatically be recognized. However, if you are referring to enabling XMP to "overclock" it, then you you just do that within the BIOS (or some motherboards have an XMP switch to do it automatically).