CMS 4GB (2X2GB) DDR3 8500 1066MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Compaq Presario Notebook Cq57-210Us, Cq57-212Nr - A47 at Amazon.com
Compaq Upgrade Challenge- Part 2: CPU - YouTube
Is it possible to upgrade my laptop's CPU? I asked a local laptop technician and said it can be upgraded with 1st gen processors, i.e, i3, i5, i7. My laptop is an
What CPU can I upgrade my Compaq CQ57 to, and is it soldered into the motherboard? - Quora