Lenovo G50-80 80E5 CD Drive Replacement - iFixit Repair Guide
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Lenovo G50-45 model 80E3 disassembly – Inside my laptop
Dvd Sata Driver Connector Board For Lenovo Ideapad G50 G50-30 G50-45 G50-70 G50-80 Z50-70 With Cable Ns-a274 - Pc Hardware Cables & Adapters - AliExpress