Reboot a mac from cd

Even if you have an old iMac with an OS reinstallation DVD, it won't do you any good unless you have an external optical drive connected to the system. The iMac features two methods to wipe all hard drives and reinstall the operating system: One uses the built-in recovery partition and the other uses the OS image on a USB flash drive. Both factory-reset methods require an active broadband internet connection. Select the hard drive on which Mac OS X is installed from the tree list on the left side of the window.

Open the "Erase" tab. Select "Reinstall OS X" from the menu, click the "Continue" button and follow the on-screen instructions to complete the OS installation process on your clean hard drive. Open the "Applications" directory in Finder. Expand the "Show Package Contents" folder.

How to choose a startup disk on your Mac to boot from USB

Copy and paste the "InstallESD. Open the "Disk Utility" within the Utilities folder under Applications and connect the USB flash drive to one of the ports located on the back side of the iMac. Restart the iMac after the restore drive is completed and hold the "Command-R" keys until the boot selector appears. Probably the most common reason Mac owners use Boot Camp is to play Windows-only games.

Play it safe and go with the large allocation. Before you run Boot Camp, Apple recommends you have the latest software update and that you backup your important files. Need help backing up your data?

1. Press C During Startup

Our sister site Macworld has put together the best software for backing up your files. Time for the main event. If you have a Mac from or later, the process is a bit simpler. This method is probably the easiest way to install Windows, but it only works for Macs from and up. To switch between your Mac and Windows partition, hold down the Option key during a boot or reboot sequence to bring up the OS-selection menu.

While Macs from pre can still run Windows, the installation process is slightly more complex. This method takes a bit of patience so bear with us. Still having trouble installing Windows?

Mini-Tutorial: Inability to boot from Mac OS X CD/DVDs; solving

Refer to your Windows documentation for more help. Now that you have both macOS and Windows installed and functioning on your Mac, you can choose which operating system to launch at startup. Dieter is a staff writer covering consumer tech, apps, and services. Tweet your hate mail to dieterholger. Table of Contents Check system requirements, then buy Windows Make sure your Mac has enough hard drive space Check for updates and backup Install Windows How to choose your operating system at startup Show More.

HOW CAN BOOT CD/DVD IN APPLE MACBOOK

Click Storage so you can see how much free space on your hard drive. Check for updates and backup Before you run Boot Camp, Apple recommends you have the latest software update and that you backup your important files. Click the Apple menu in the upper left and then hit App Store.


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Go to Updates and install any software updates for macOS. Restart your computer if prompted.

Procedure for firmware update via bootable CD (Mac) | Seagate Support ASEAN

After restarting, check for software updates again until no new ones are available. Because Boot Camp will be moving and re-allocating space on your hard drive, you should back up any important data before you continue, in case anything becomes corrupted during the process. Install Windows Time for the main event.

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Quit all open applications and then open up a Finder window. Open Boot Camp Assistant , then click Continue. The next step is to partition your hard drive. IDG Move the slider to give your Windows partition more or less space. Remember that any space you assign will be taken from the available space for your Mac, and that macOS will run more efficiently if you leave at least 30 to 40GB of space free on its partition.