As far as I know, the only way to properly create a bootable Lion disc/disk is to use Disk Utility on a working Mac. However, the other option is to use a VM to run OS X temporarily (scroll down for that info).
On a Mac:. Download Lion from the Mac App Store.
Dec 2, 2018 - This is why it's recommended that you make a Mac OS X bootable USB when your. Microsoft Windows 10 Home English USB Flash Drive. If you want to do a clean install of macOS Sierra, or you have multiple Macs to install it on, then a bootable flash drive for is your best bet for easy installation. Here’s how to make one.
The installer should show up in your Applications folder. Right-click on the installer and hit 'Show Package Contents'. Navigate to Contents SharedSupport and look for a file called 'InstallESD.dmg'. Open up Disk Utility and drag the DMG file into the left-hand sidebar. If you're burning it to a DVD, insert your DVD, select the disk image in the sidebar, and hit the 'Burn' button. Skip down to the last step to use it. If you want to burn Lion to a USB flash drive, plug it in and click on it in the left-hand sidebar in Disk Utility.
Go to the Partition tab and select '1 Partition' from the dropdown menu. Choose 'Mac OS Extended (Journaled) on the left.
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Hit the Options button under the partition table and choose 'GUID Partition Table'. You'll need this to make the drive bootable on a Mac. Hit the Apply button when you're done to format your drive (note: it will erase everything on the drive).
Click on the 'Restore' tab, choose the InstallESD.dmg file as the source and your flash drive as the destination. Hit the Apply button and it will create your bootable USB drive. Reboot into OS X and hold the option key when you hear the startup chime.
You can boot into your DVD or flash drive from there. On a PC I know this works with Snow Leopard, but I'm not sure about booting Lion in Virtualbox. My suggestion is:. Acquire a Snow Leopard iso image. Use to convert the Lion dmg into an iso. On Virtualbox click 'New'.
Choose OS as Mac OS X and click on 64bit or 32 bit (depending on your system) Snow Leopard. Choose VDI as storage and click next. Click on Dynamically Allocated space. Give 4096 MB of Ram for optimum performance or you can also give 2048. Once finished click on the Virtual OS you just created and click on settings. Go to storage and click on the disk below the vdi storage.
Click on the empty disk button on the right side of the window. Choose the.iso file you converted earlier. Just click ok and start the Virtual OS.
I'm running 10.6.8 and when I try to use BootCamp, it tells me I need 'at least 10GB of free space', which is interesting since I have 21GB of free space. However, trying to fix this issue has seemed pointless at this rate and I remember there used to be way to create bootable USBs using only Disk Utility during the Vista era.
I had tried converting my.iso to.dmg and mounting them and 'burning' them to the flash drive, but nothing has seemed to work. All the tutorials I have found online use BootCamp, which is what I want to stay away from since it does not work for me. So is there a way to do this? And what is the recommended file type.iso,.img, or.dmg to be used?
Should it be mounted or unmounted when I try to 'burn' it? None of the answers got it right. This is how you do it — without BootCamp:. Get/download a Windows ISO image file. Your USB flash drive should have at least 8GB. Plug it in and format/erase it using Disk Utility (under Applications/Utilities).
CAUTION: Make sure you select the correct drive! Then click erase. Select MS-DOS (FAT) for the Format.
(If your drive is above 32GB, you might need to select ExFAT instead.). Select Master Boot Record for the Scheme. (This is the one used for Windows partitions.). Click erase. Open Terminal and run command: diskutil list From the output, find out the name of the USB drive.
It should be something like /dev/diskX. X is the number of the drive.
For me, it's /dev/disk2. It might be different on your Mac. Then type command: diskutil unmountDisk /dev/disk2 It should print something like this: Unmount of all volumes on disk2 was successful. Then type: sudo dd if=/path/to/win-iso-file of=/dev/disk2 bs=1m (This will ask for your Mac password. Enter it and hit return.). /path/to/win-iso-file is the full path of the ISO image.
Just drag/drop it on terminal after if= and it will print the full path. The process will start but there will be no output for a while. It might take 10 to 45 minutes. (You can press Ctrl+T to see the bytes transferred so far.).
Once it's complete, it will output records in/out and bytes transferred. Type: diskutil eject /dev/disk2. Now, re-plug the USB drive and check its contents. It should have files and folders but especially a setup.exe and an autorun.inf file.
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