been there man its usually safe to leave a non-critical device without a driver, but chipset-related devices can affect power management and sleep.. 馃う worth fixing.
my older desktop has a mystery device and windows has no clue what it is 馃槶
hmmm on Intel-based systems, PCI Simple Communications Controller is very often teh Intel Management Engine Interface, and SM Bus Controller is covered by the Intel chipset INF package. Get both from teh PC makers support page for your model.
ok so pro tip: write down what u change. i didnt and had to redo controller from scratch
@soren.fontaine dude it was the Intel Management Engine Interface. installed it from the makers support page and Device Manager is finally clean.
Clean install went perfectly... except for the sound 馃
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