Hi and Welcome. My Name is ***** ***** I look forward to assisting you today with your question.
Even on a 15 year old Mac, it wouldn't take a minute or 2 to load "About This Mac". So I believe this is not a software issue but it sounds like your hard drive is failing. Slowness is an indication of hard drive issue. So first, I'd recommend to backup all your important files ASAP to an external hard drive. Then we can troubleshoot this Mac.
Note : Since your Mac is very slow, I will not be able to connect to your Mac and fix it remotely. So please ignore or cancel the secure remote assistance offer you get from this site.
Great ! Go to Applications > Utilities folder and open Disk Utility. In Disk Utility, select your hard disk in left column. Click Repair Permission. Then click Verify Disk and Repair Disk if asked. let me know the results from there
Also on your Mac, download the Blackmagic Disk Speed Test app and tell me what it returns (speed of hard drive). This will tell us whether there is any issue with the hard drive and help us to move to right direction
Download it from here --> https://itunes.apple.com/in/app/blackmagic-disk-speed-test/id425264550?mt=12
or from here --> http://download.cnet.com/Blackmagic-Disk-Speed-Test/3000-2086_4-75764971.html
let me know what it returns
Secure remote assistance is optional. BTW Disk Utility can only show the condition of system files not of physical condition of hard drive. Since that returned OK, that means system files are OK. Files from internet or junk codes will not cause this issue. But it is possible that system files are corrupted or the hard drive is failing. Either one of these is the issue
Download the Blackmagic Disk Speed Test app and tell me what it returns (speed of hard drive). This will tell us whether there is any issue with the hard drive and help us to move to right direction
Peter, I'm trying to help you. The remote service is optional and you don't have to accept that service. And this is not a SCAM site. This is a BBB accredited site. If I couldn't solve your problem, you will get full refund.
I can't give you a direct answer to your question without knowing what the issue is. That is not what we do here. I need to troubleshoot first and then only I can give you instructions after identifying the exact problem.
I asked you to run the program I sent you and give me the results. How can I help you if you don't provide what I asked ? It will take time to solve computer issues
If you don't want to continue, please contact***@******.*** and they will cancel this question and refund you
Like I said, this could be an issue with the hard drive and that is why I asked you to run black magic disk speed test app. Running that app will give us the performance of the hard drive and then we can move to right direction with fixing system files or reinstalling OS X. Again, please note fixing computers will take time.
If you prefer to get the possible solutions, then I can give them to you which you can try and they may or may not work. But you will have to go through all of them and it will take a lot of time to try them all.
If you would like to continue, please let me know and I'm happy to continue to help you. If you don't want to continue, then please email to***@******.***
They will cancel this question and process refund for you.