PSU: make, model, wattage, age, condition (original to build, new, used, refurbished)?
As a starting point: look in Reliability History/Monitor for error codes, warnings, or even informational events being captured just before or at the times the mouse fails to work. And what is different when the mouse does eventually work.
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Manually download (no third party tools or installers) the applicable Steelseries mouse drivers directly f rom the manufacturer's website. Reinstall and reconfigure.
Be sure that you are truly at the manufacturer's website. Just because the manufacturer's name appears in the URL does not mean that any given website is truly the manufacturer's website.
I found this website from among many websites "offering" the drivers:
https://steelseries.com/gaming-mice...09&utm_source=Partnerize&utm_medium=affiliate
Not sure about the details thereafter regarding the specifc driver/engine applicable to your mouse.