MacBook 2009 (white), not turned on for at least 6-7 years, upgraded RAM, HDD and installed El Capitan. Works beautifully for my eldest. This is what you get with Mac, longevity. Love
Step 4: Install Memory
How To Upgrade RAM in a Mac | Macworld
13-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube
2009 Macbook Pro 17" A1297 RAM Upgrade - YouTube
A-Tech 16GB Kit (2x8GB) DDR3 1066MHz / 1067MHz PC3-8500 SODIMM RAM for Apple MacBook (13 inch, Mid 2010), MacBook Pro (13 inch, Mid 2010), iMac (27 inch, Late 2009), Mac Mini (Mid 2010) at Amazon.com
Late 2009 MacBook ram compatibility | MacRumors Forums
OWC 16GB (2x8GB) ram Upgrade PC3-12800 DDR3L 1600MHz sodimm 204 Pin CL11 Memory Upgrade Kit Compatible with Late iMac, Mac Mini, and MacBook Pro Computer at Amazon.com
MacBook Pro: How to remove or install memory - Apple Support
RAM Upgrades For Apple MacBook (2009 - 2010) from OWC
15-inch MacBook Pro Mid 2009 Memory Installation Video - YouTube
13-inch MacBook Late 2009 & 2010 Memory Installation Video - YouTube
4GB Memory for MacBook, MacBook Pro, iMac and Mac mini
OFFTEK 4GB Replacement Memory RAM Upgrade for Apple MacBook Pro 2.53GHz Intel Core 2 Duo (15-inch) (DDR3) (Mid-2009) (DDR3-8500) Laptop Memory at Amazon.com
Apple MacBook 13" inch White 2009/2010 Upgraded Laptop Computer WIFI Bluetooth | eBay
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Fixxo - MacBook RAM Upgrade | Do more with your Old Mac