Imc starts up slow and get the spinning color ball when opening web sites or other office apps. Apple says I should replace hard drives, fusion and ssd. Otherwise it runs fine and screen is still awesome. Fix or just upgrade to Apple silicon ?
Earlier Mac models
Have you installed and run any "cleaning", "optimizing", "speed-up", anti-virus or VPN apps on your Mac? Download and run Etrecheck.
Copy and paste the results into your reply. Etrecheck is a diagnostic tool that was developed by one of the most respected users here in the ASC and recommended by Apple Support to provide a snapshot of the system and help identify the more obvious culprits that can adversely affect a Mac's performance.
Copy the report
and use the Additional Text button to paste the report in your reply.
Then we can examine the report and see if we can determine the cause of the problem.
Have you installed and run any "cleaning", "optimizing", "speed-up", anti-virus or VPN apps on your Mac? Download and run Etrecheck.
Copy and paste the results into your reply. Etrecheck is a diagnostic tool that was developed by one of the most respected users here in the ASC and recommended by Apple Support to provide a snapshot of the system and help identify the more obvious culprits that can adversely affect a Mac's performance.
Copy the report
and use the Additional Text button to paste the report in your reply.
Then we can examine the report and see if we can determine the cause of the problem.
One thing to consider is that the macOS on it cannot be upgraded beyond macOS 12 Monterey. The lates macOS is macOS 14 Ventura.
See the following from Identify your iMac - Apple Support
iMac (Retina 5K, 27-inch, Late 2015)
Model Identifier: iMac17,1
Part Numbers: MK462xx/A, MK472xx/A, MK482xx/A
Newest compatible operating system: macOS Monterey
Life span of the late 2015 Imac 27"
