Macbook updated an now its "broken"??

Macbook updated an now its "broken"??

So i have an i5 2012 MBP, and it has auto updated to 15.1 from 13, even though i set it to only auto update security patches, and now its looks like this and is laggy. Any solutions?? (I have oclp 2.0.2 installed)

submitted by /u/MatteoGxD
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