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Hi all, I have a Dell Inspiron E6220 (infact two-I'm only trying to install on one though), which are both: Intel Core i5 2520 2.5GHZ CPU 4GB Ram Seagate Momentus Thin 7200RPM 250GB HDD Intel HD Graphics I have two USBs: a unifail 10.8, and a myHack 10.8, both with the OSX ML from the Mac App Store (on a Mac). When I try to boot up the install, it goes to the Apple screen, the spinning wheel, and then freezes on the spinning wheel and doesn't do anything. This is the same for both USBs (and both laptops). I read somewhere that someone was only able to boot with -f, I tried this on the myHack USB and it still didn't work, but when I tried the unifail, it did work. I was able to get everything ready for installation, and start the installation, until about halfway through the installation the screen just turns full white, with a small grey box. I am pretty sure that the computer completes the installation, and then it reboots back to the unifail USB (I'm not sure about this). Picture of screen: http://puu.sh/4otRE.jpg The computer reboots, and then comes back to the unifail screen on the USB. So now I try to get into the Macintosh HD, and no luck. I try with -f on both USBs and still no luck (it freezes on spinning wheel again). How can I fix this? Some errors near the end I can see: (in -v boot Verbose mode) Bootcachecontrol: Unable to open /var/db/Bootcache.playlist: 2 No such file or directory Bootcachecontrol: Unable to open /var/db/Bootcaches/PreheatedUser/Merged.playlist: 2 No such file or directory Bootcachecontrol: Unable to open /var/db/Bootcaches/PreheatedUser/Login.playlist: 2 No such file or directory Gets stuck on: AppleIntelE1000e: Ethernet address 24:b6:restofaddress Thanks