i want to sell this macbook Apple MacBook 13.3" Laptop - MC240X/A (May, 2009) And I want to install osx 10.7 Lion But I dont have the disk. Ive got the DMG file on my USB and I need help on how to restore it. Also I have another problem. Ive partoined the macbook HDD to 130Gb to OSX and 30gb to Windows. When I try and delete it through Disk Utility It Wont delete. Please help Note; The Macbook will only startup in Recovery Mode, So i cant access finder.