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Compaq Presario CQ50 - Disassembly and cleaning - YouTube
How to disassemble Compaq Presario CQ50 CQ60 CQ70 – Inside my laptop
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Amazon.com: HIGHDING SATA CD DVD-ROM/RAM DVD-RW Drive Writer Burner for Compaq Presario CQ50-139WM CQ50-209WM CQ57-218NR : Electronics
2GB DDR2-667 (PC2-5300) RAM Memory Upgrade for The Compaq HP Presario CQ50-103NR (Genuine A-Tech Brand)
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CMS 4GB (1X4GB) DDR2 6400 800MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® Presario Cq50-139Wm, Cq50-140Us - A42 at Amazon.com