Problem: Macintosh running slow

If your Macintosh computer is running slow,try the following steps:

Step 1:
On your Macintosh computer or laptop, perform a PRAM reset.  Save your work. Shut down the computer, turn it back on and immediately hold down the Command-Option-P-R keys.

Step 2: Start the Mac in safe mode by holding the shift key as you restart.  Let is start up, then restart again normally.