Is it malware? A broken chip? A missing driver from 2015?
Now go forth, banish the yellow exclamation mark, and never think about ACPI MSFT0101 again—until your next BIOS update, anyway. Have a different fix or a horror story about this error? Drop it in the comments below. acpi msft0101
If you’ve ever opened Device Manager on a Windows PC (or checked dmesg on Linux) and spotted a ghost device labeled ACPI MSFT0101 with a bright yellow exclamation mark, you’ve likely fallen down a rabbit hole of driver errors and BIOS settings. Is it malware