adoniscik Posted August 27, 2012 Share Posted August 27, 2012 I have unsuccessfully been trying to install ML by USB on my new PC which includes an Asus P8Z68-V and an Intel 3770 (plus its integrated HD4000 video card). I have flashed the BIOS to the latest version and set the SATA mode to AHCI. I tried every tutorial I could find to create a bootable installation USB, to no avail; all I get is a blank screen. I have verified the integrity of my installESD.dmg by comparing its hash value. Please can someone give me a little guidance? Link to comment Share on other sites More sharing options...
Kucksy Posted August 28, 2012 Share Posted August 28, 2012 not sure if this helps or not - but I don't think that the onboard / integrated HD4000 video chipset is supported in mountain lion - I know I had to upgrade my video card (from a nVidia 7300 to a much newer GT 220) as the 7300 was supported in lion but is not in mountain lion maybe you could start there Link to comment Share on other sites More sharing options...
adoniscik Posted August 28, 2012 Author Share Posted August 28, 2012 My research indicates that the HD4000 should be no problem. Indeed, . If it were a problem, would it manifest itself as the blank screen I faced? Furthermore, do I need the hard disks to be attached for the USB to boot? My guess is not. Link to comment Share on other sites More sharing options...
theconnactic Posted August 28, 2012 Share Posted August 28, 2012 Did you try a verbose boot? Let's take a look on what's really going on! Link to comment Share on other sites More sharing options...
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