Restored Compaq Black 15.6" CQ57-319WM Laptop PC with AMD Dual-Core C-50 Processor, 2GB Memory, 250GB Hard Drive and Windows 7 Home Premium (Refurbished) - Walmart.com
What CPU can I upgrade my Compaq CQ57 to, and is it soldered into the motherboard? - Quora
Refurbished: COMPAQ Laptop AMD Dual-Core Processor C-50 (1.0GHz) 2GB Memory 250GB HDD AMD Radeon HD 6250 15.6" Windows 7 Home Premium 64-Bit CQ57-229WM - Newegg.com
Compaq Presario CQ57 250GB 3GB Windows 10 - In Nette Staat - Used Products Beverwijk
HP Compaq Presario CQ57-366sa - Notebookcheck.net External Reviews
SR0EW HP Compaq CQ57 15.6" Intel Celeron B800 CPU Processor 1.50GHz 2M GENUINE | eBay
Amazon.com: HP Compaq Presario CQ57 Motherboard 646177-001 : Electronics