HT201541: Update the software on your Mac

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RojehT

Level 1 (0 points)

Q: serial number

Is it possible for my imac to lose its serial number after update

iMac, OS X Yosemite (10.10.4)

Posted on Aug 11, 2015 12:01 PM

I have this question too

Q: serial number

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by Allan Eckert,

Allan Eckert Aug 11, 2015 12:03 PM in response to RojehT
Level 9 (54,090 points)

Desktops

Aug 11, 2015 12:03 PM in response to RojehT

Try resetting PRAM and NVRAM.

http://www.macworld.com/article/2881177/how-to-reset-your-macs-nvram-pram-and-sm c.html
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by JimmyCMPIT,

JimmyCMPIT Aug 11, 2015 12:51 PM in response to RojehT
Level 6 (8,504 points)

Mac OS X

Aug 11, 2015 12:51 PM in response to RojehT

 > About this Mac
in the overview tab it's the last item
updates, firmaware, clean installs wont remove it, it is hard coded.
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