Hello –

My husband has a mid-2011 iMac purchased in early 2012 that now runs at a snail's pace with delays in cursor responses, beach balling, and general slowness to open apps. I've lurked and googled the community posts and tried the following: Etrecheck report is below, removed 3rd party anti-virus and anti-malware, First Aid on Disk Utility showed "ok" "successful" and SMART = verified, reset the SMC, Apple Hardware Test (extended) took 26 minutes and "no trouble found," user data is backed up but I do not have a disk to boot from, should I need to erase and reinstall OS. Advice requested and welcomed.

EtreCheck version: 6.0.2 (6A004)

Report generated: 2019-07-21 21:56:17

Download EtreCheck from https://etrecheck.com

Runtime: 8:42

Performance: Below Average

Problem: Computer is too slow

Description: 

mid 2011 iMac has been decreasing in responsiveness gradually for over

 a year.  It is now a large paperweight. Cursor movements and opening 

apps take several minutes. I recently ran First Aid on Disk Utility an

d nothing of note seemed to be discovered.  S.M.A.R.T. indicated verif

ied. Recently removed Malwarebytes, although it did allegedly just det

ect, quarantine, and remove 4 items. Activity Monitor shows green memo

ry usage and nothing glaringly obvious to shut down. Caches dont appea

r to have much that needs to be deleted. Need to know if this iMac can

 be salvaged for several more years or its time to get a new one. Prev

ious etrereport indicated failing hard drive, no Time Machine, and ant

ivirus s/w problems so I used malwarebytes which in turn found and rem

oved some mackeeper remnants, then I uninstalled Malwarebytes. I dont 

care about Time Machine because last year I discovered my time capsule

 was fried, so I have already backed up all user files to an external 

hard drive.  I am prepared to hear that I need to erase the hard drive

 and reinstall an OS (which one), but will need good instructions on h

ow to do that. I am not Mac-savvy. User (spouse) will not want to spen

d money on more RAM or SSD if I cant give him reasonable assurance tha

t those actions will keep this iMac usable for another few years, not 

just a few months. Thanks.

Major Issues:

  Anything that appears on this list needs immediate attention. 

  No Time Machine backup – Time Machine backup not found.

  Failing hard drive – This machine has a hard drive that appears to be failing.

Minor Issues:

  These issues do not need immediate attention but they may indicate future problems or opportunities for improvement. 

  Upgradeable RAM – This machine has upgradeable RAM that would help its performance.

  Clean up – There are orphan files that could be removed.

  Unsigned files – There are unsigned software files installed. They appear to be legitimate but should be reviewed.

  Low performance – EtreCheck report took over 5 minutes to run. This is unusual.

  32-bit Apps – This machine has 32-bits apps will not work after macOS 10.14 “Mojave”.

Hardware Information:

  iMac (27-inch, Mid 2011)

  iMac Model: iMac12,2

  1 2.7 GHz Intel Core i5 (i5-2500S) CPU: 4-core

  4 RAM – Upgradeable

   BANK 0/DIMM0 – 2 GB DDR3 1333 ok

   BANK 1/DIMM0 – 2 GB DDR3 1333 ok

   BANK 0/DIMM1 – Empty  

   BANK 1/DIMM1 – Empty  

[Total: 0    Average: 0/5]

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