LENOVO G580 Windows Recovery Restore Boot Disk DVD USB ISO & Drivers
Win 8.1 Not Booting From USB | Windows 8 Help Forums
Lenovo G580 2013 dual boot. Audio works with USB audio thingy, WiFi works with dongle, and everything else works with some kexts. I recommend this laptop with hackintosh. : r/hackintosh
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LENOVO G580 Windows Recovery Restore Boot Disk DVD USB ISO & Drivers
Lenovo G580 - how to Install Windows 7 on G580 laptop - YouTube