[Editor’s note: This article is part of our series of articles on installing and upgrading to Lion (OS X 10.7). We also have a complete guide to installing and upgrading to Mountain Lion (OS X 10.8).] ...

Apple only sells OS X Mountain Lion as a digital download in the Mac App Store. The installer weighs in at a hefty 4.05GB, but the good news is that you can install your copy of Mountain Lion on all ...

Bootable disc image files may contain all the data necessary to create a disc from which computers can boot, but if you want them to work, you can't just burn them to a disc the way you would regular ...

Apple has released Mac OS X Lion in the Mac App Store for $30. Separately, Apple will also begin offering Lion on a USB thumb drive in Apple stores come August. Right now, you can grab Lion from the ...

Having a secondary boot volume is almost a necessity for troubleshooting some problems with Macs. Here are some options for creating boot disks. Topher, an avid Mac user for the past 15 years, has ...

Trying to burn to a single layer DVD which has 4,707,319,808 bytes available and the .dmg image uses 4,348,218,934 bytes yet Disk Utility insists "The disc inserted does not have enough free space." I ...

You can easily create a boot disk without using floppy emulation (using the same boot as the NT4 cd but with just the NT4 disks) but but why? Wouldn't it be easier to boot from your NT4 boot cd....the ...

Sometimes you may run into a situation where your system fails to respond correctly. Under such circumstances, you may find booting into another OS as your best option. Sometimes, troubleshooting PC ...

I harbor no nostalgia for Mac OS 9. Aside from a couple of old games, I never even think about using OS 9 anymore. With one exception...I long for OS 9's simplicity in creating bootable drives and ...

You'll need to use a startup CD to boot up your computer and run diagnostics if you have a problem booting from your installed Windows XP operating system – for ...

Windows comes with a built-in repair environment called the Recovery Environment. Unfortunately, it is possible for the recovery environment to become inaccessible. The same tools can be accessed by ...

Like Lion (OS X 10.7) before it, Mountain Lion (OS X 10.8) doesn’t ship on a disc—it’s available only as an installer app downloadable from the Mac App Store ...