Here's a short guide on opening DMG files on Windows and extracting data from them.
Aug 02, 2011 Make a Bootable USB Drive from OS X Lion Using the Recovery Partition. But no back up disk! And since you haven’t bought the OSX Lion 10.7 App from the App store you can’t re-download it – so thats why you have the recovery drive as a partition in your main hard drive and to boot from it you need to restart the machine. If the BaseSystem.dmg item is not present in the Disk Utility sidebar, you can drag it there from the Finder window that appeared when you mounted the InstallESD.dmg file on page 2. Once the file is present in the Disk Utility sidebar, be sure to select BaseSystem.dmg, not InstallESD.dmg, which will also be in the list. Click the Restore tab. Open DMG Extractor and select the DMG file you want to extract. Click the 'Open' menu icon on the top-left of the window. If the DMG archive is password protected, DMG Extractor will prompt you for its password: DMG Extractor opening an encrypted DMG. DMG Extractor will load the file you selected. In this post I’m gonna show you how to make Hackintosh Bootable USB Drive from Windows. This method works on Yosemite, El Capitan and Sierra. In this post I’m gonna show you how to make Hackintosh Bootable USB Drive from Windows. This method works on Yosemite, El Capitan and Sierra. And then find “BaseSystem.dmg” right-click to open. Semi-automatic installer of macOS on VirtualBox - This script installs only open-source software and unmodified Apple binaries. The script checks for dependencies and will prompt to install them if unmet.
Download DMG Extractor (it's free).
Once installed, DMG Extractor will run automatically.
Open DMG Extractor and select the DMG file you want to extract
Click the 'Open' menu icon on the top-left of the window.
If the DMG archive is password protected, DMG Extractor will prompt you for its password:
DMG Extractor will load the file you selected. If you have a large DMG file, a progress bar will show until the DMG file is loaded.
Now you should be able to see all the files contained within the DMG file and navigate folders and files.
Extract the files you want
Click 'Extract', next to the 'Open' button. You can choose whether to extract the whole of the DMG's contents into the same folder, or into a specific one chosen by you. If you don't need to extract all the files, just select the files you want and on the 'Extract' menu click 'Selected files to…'
Can T Open Base System Dmg System
That's it: extraction complete! Your selected files should now have been converted from the DMG file and saved onto your Windows computer ready for you to use.