finally bit bullet , upgraded 2012 non-retina macbook pro mavericks el capitan , i'm starting regret it.
upgrade process went smoothly until needed log in. logged in account, stuck spinning wheel , beach ball 5 minutes. spinning beach ball turned normal cursor, spinning wheel remained. taking long, reset computer find still @ installation bar , apple logo (implying me installation never finished).
reset computer 5 times, find stuck each time. so, reset nvram , computer able finish installation.
again logged in account , able go through set process, painfully slow, taking 2-3 minutes go 1 step next.
computer logs in fine, entire os extremely slow. opening 1 page, lightweight pdf takes computer 2 minutes so. in fact, computer unusable have use ipad type post.
advice on how make computer perform again? thought update supposed improve performance, not degrade it...
it's spotlight re-indexing. can check processes running in activity monitor , think 2 main spotlight indexing processes mdworker , mds. if taking lot of cpu, it's indexing. can chill , wait spotlight finish. if want disable indexing because need use computer, see:
http://www.iclarified.com/49187/how-to-disable-and-reenable-spotlight-indexing-on-your-mac
haven't done other places suggest same thing. mentions os yosemite, article written before el capitan , procedure same.
bought base (4gb memory, 500gb hdd) 2012 mbp non-retina couple of weeks ago. had el capitan , didn't have problems you're having problem isn't 2012 mbp , el capitan on it's own.
edit: shouldn't disable spotlight permanently without researching implications of doing first.
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