mac running alot slower than expected!!!

Your hard drive may be failing.

Try setting up another admin user account to see if the same problem continues. Please post back on whether or not this worked. Also try the Safe Mode. Please post back on whether or not this worked.

Isolating an issue by using another user account 

Safe Mode - About

If it works in the Safe Mode, try running this program when booted normally and then copy and paste the output in a reply. The program was created by Etresoft, a frequent contributor.  Please use copy and paste as screen shots can be hard to read. Click “Share Report” button in the toolbar, select “Copy to Clipboard” and then paste into a reply. This will show what is running on your computer. No personal information is shown. If the log won’t post, try posting it in Pastebin and provide a link in a reply        Pastebin

Etrecheck – System Information

It may not help, but try running/posting the Etrecheck report. If the log won’t post, try posting it in PasteBin and provide a link in a reply        Pastebin

You can test the RAM using the below. Running the long test is best.

Memory Test

Since the RAM isn't showing and you couldn't repair the disk using Disk Utility, unless the Etrecheck report shows something, you may need to take the computer in for testing. If necessary, if you live near an Apple Store, make a Genius Bar appointment to have the device/computer tested. Supposedly there is no charge for testing. Use 2nd link if not near an Apple Store or aren’t in the US. Take the original purchase receipt with you. Hardware Repair - Keeping Confidential Data Safe

Genius Bar Reservation US

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