![]() Didn't realise this until it refused to log in to iCloud, AppStore etc. My girlfriend's 2009 white MacBook lost it's serial number after upgrading to OS X El Capitan. If it is possible, this capability is likely to only be available to Apple engineers or support staff. ![]() I am not aware of any further documentation about restoring the serial number. Once the serial number has been lost there is no means to restore it to the machine.Īpple does not guarantee that all future systems will have a software-readable serial number.īoth of these cases illustrate why asset tracking software should always provide a way for a serial number to be entered manually. ![]() Apple does not document the specific details of how a machine can lose its serial number. Repairing a system by swapping hardware components is one reason this can happen. It is possible for a system to lose its serial number so that it will no longer appear either in System Profiler or the I/O Registry. Other reasons appear to be possible but Apple does not enumerate every cause: Caveats for using the serial number The technical note suggests the serial number can vanish if hardware components are changed. Technical Note 1103 warns developers not to rely on a serial number being available to uniquely identify a Mac. A lack of a visible serial number should not affect your Mac.Īpple does not guarantee a serial number will be set.
0 Comments
Leave a Reply. |