Did you recently have you MBP worked on? This will occur when a logic board is replaced and there is a tool that you can use to reset the SN (one time only). However, you do not want to do this unless it is a new logic board.
Thanks I did is thi sthe same tool that I've seen on some web posts on customizing the sn and other details in the same window. What is the tool that can be used, can I download it or is it purchase only?
You cannot re input your serial back into the mac as this is done at the factory. Burned into the EPROM at that point.
You need to keep a record of your serial either on hard media or put it on a sticker and put it somewhere like underneath the battery (So it wont get rubbed off with time).
I questioned this very issue at a Apple training course I attended a few months ago.. well about a year now.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.