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![](https://lemmy.ml/pictrs/image/q98XK4sKtw.png)
You’re able to run MemTest? That’d suggest it’s not actually fried if it can still run things.
Check your BIOS/UEFI to see if Secure Boot was re-enabled. If your CMOS battery died and you didn’t notice, your machine config could have reset to its default values during the power loss.
Ellison.