Has anyone experienced the serial number gone missing after an upgrade. I have my old serial number because It was in use in my icloud devices but now its missing from my MacBook pro. Any ideas how to fix this issue I have installed catalina 6 times and still no serial number
If you want to find it out click Apple logo then about this Mac if the serial isn’t there then click system report
its the serial number from the replacement board not the original board. Will that help rebuild the .plist ?
Hi thanks for the help and yes swapped out the logic board. I had a 2011 board and swapped it out for a 2012 all was fine until a upgraded to catalina and then no serial number. I cut and pasted as you suggested and this is what i get also
com.apple.SystemProfiler.plist is not in that there
Wait I found com.apple.SystemProfiler.plist its there
I have the serial number for the logic board I wrote it down and saved it. Back when it was working is there a chance to construct it again ?
This is what it brings up when I enter the serial number to check the warrenty
That .plist has nothing to do with the serial number.
Chances are that if ioreg cannot find the s/n, then it won't be reported in the hardware overview of System Information either.
any advice on a resolution ?
@VikingOSX
Your Mac product description line is truncated too. Was the motherboard replaced? Does the following file exist (it should)?
$HOME/Library/Preferences/com.apple.SystemProfiler.plist
Launch the Terminal application, and copy/paste the following into the command-line, followed by a return:
ioreg -l | iconv -f ISO-8859-1 | tr -d '\"' | awk '/IOPlatformSerialNumber/ {print $4}'
If it returns a serial number, acknowledge that it did, but do not post your serial number here.
No surprise that the System software cannot find the serial number with a board swap. And that .plist file is useless without the serial number to construct the key that would return the full product description line for your Mac.
There have been others over time that have had this issue resulting from a board swap.
I don't believe you can add the previous board serial number to a replacement board.
upgraded to catalina and my serial number went missing