Extremely Slow iMac 2017
iMac 2017 almost unstable. 45 seconds to start up Chrome or Safari. Can be 2-3 minutes to login into a new user. All apps very slow. Frequent beachballing. I see it says failing hard drive - I ran the disk utility and it reported no problems. I ran Apple diagnostics - no issues reported. Is there another to check this? Any help greatly appreciated.
Etrareport added.