this post was submitted on 26 Oct 2023
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My system significantly exceeds all the performance requirements for Win11, but it doesn't have the Trusted Platform Module 2.0...and therefore cannot run Windows 11. It's disappointing that my system can run circles around a lot of newer devices but can't upgrade because it's running on an older motherboard. It's dumb that Microsoft made TPM 2.0 a deal-breaking requirement for Win11.
Apparently you can get around that with a registry hack that tells the installer the machine has it. Not that I’d want windows 11 anyway…
IIRC if you use Rufus to make your installer USB it has a preset for Win11 with no TPM. Again, not that you'd want to go out of your way to install it but doing it that way is pretty seamless.
Thanks! I wish I had this info for an old build.
Sidebar: Kind of silly how you and others are tripping over yourselves to include something against win11 while providing tech support. As if you'd be a pariah if you didn't include some disdain.
"Here's some win11 troubleshooting advice, not that I'd ever be caught using it! ;)"
Well I'm a sysadmin; it's in my nature to answer rogue tech questions :p.
I actually daily Win11 on my personal laptop. It's... fine, realistically. I really only say you wouldn't go out of your way to install it because if you have a machine that's working well under Win10, I don't see a compelling reason to upgrade.
Their pals in the hardware industry say thanks for the ewaste.
I'm curious what CPU you have that is on the supported list but doesn't support TPM 2.0 in firmware. Or are you just assuming the CPU support list is decided by TPM 2.0 availability?
Because most of the CPU support list is actually about hardware-accelerated virtualization features like MBEC/GMET and the performance penalties of having to emulate them when not present -- up to 40% performance loss using kernel virtualization without MBEC/GMET in particular.
This was me before I checked the compatibility app. Windows never bothered me with Windows11 update so I thought It didn't have TPM2.0+. I got curious and used the compatibility checker.
The laptop had TPM 2.1, but CPU is not compatible. oh well…
Probably for the best -- using it without those hardware features is rough. I was using a Ryzen 1600AF -- which is odd because it's not on the list although it installs normally with no issue because it's really an underclocked Ryzen 2600 Zen+ chip. The Zen+ chips are on the support list but they lack some of the virtualization features in hardware. I was seeing a massive difference in performance when I toggled the security settings that used them. Sometimes 15-20% difference in games.
Laptop. He has a laptop. But, even if he had a TPM on a higher end Intel 6th and 7th gen Core i7, Win11 still wouldn't install without workaround.
6th and 7th gen have firmware based TPM that Intel calls PTT. (Though whether it's available to configure in the BIOS depends on the manufacturer and sometimes the chipset.) But correct, it still needs a workaround because TPM isn't really the (only) thing it's checking for.
You can just disable that requirement with Rufus