How do you upgrade the hard drive in the "Mid-2009," "Mid-2010" "Early 2011," and "Late 2011" 13-Inch, 15-Inch, and 17-Inch MacBook Pro models? What type of hard drive do these models support? Can one replace the hard drive with an SSD? @ EveryMac.com

Good video instructions

How do you upgrade the hard drive in the "Mid-2009," "Mid-2010" "Early 2011," and "Late 2011"Pro models?

...the basic procedure is to turn off the notebook, disconnect cables, and let it cool; flip it over and unscrew the bottom plate, discharge static electricity, unscrew the retaining bar, disconnect the SATA connector, remove the mounting screws, install the new drive, and reassemble the computer.