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Windows UUID Does not match motherboard displayed UUID (digits are shuffled)

jt532
By jt532
in CPUs, Motherboards, and Memory
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I have a few laptops with Windows 10 installed and I can use  

(Get-WmiObject -Class Win32_ComputerSystemProduct).UUID

 in PowerShell to get each machine's UUID. What's interesting is that the UUID I get from Windows doesn't match what is displayed in the BIOS. All the same digits are there but some are out of order. For example, Windows 10 returns: 

34444335-3632-3036-XXXX-XXXXXXXXXXX

but when I am booted into the BIOS of my HP Envy laptop I see: 

35434434-3236-3630-XXXX-XXXXXXXXXXX

where the X values represent digits which match exactly between the two. It's interesting, because the UUIDs match perfectly between the BIOS and Windows 10 on a Sony Vaio laptop I have. It's only wrong on the HP.

Any thoughts as to why?

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