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Part: VII Mac OS X: Appendixes > Installing Mac OS X

Installing Mac OS X

After you have prepared a volume for Mac OS X, install it using the following steps:

1.
Insert the Mac OS X CD in your Mac, restart your Mac, and hold down the C key to restart from the CD.

Tip

You can also start the installation process by inserting the Mac OS X Installation CD in your Mac and opening the Install Mac OS X file. You will be prompted to restart your machine. Click the Restart button. Your Mac will restart and immediately jump into the Mac OS X installer.

The system will go through several checks that will be different from the startup process under previous versions of the OS. Eventually, you will see it begin to prepare the installation process.

As things begin to progress, you will see the Install Mac OS X Select Language window—but even before that, you will notice that you have entered a new world. You see the Mac OS X menu bar and you will notice that the Install Mac OS X window looks quite a bit different from any Mac windows that you have seen before.

2.
Click the radio button next to the language that you want to use as the primary Mac OS X language and then click Continue. You will move into the Mac OS X Installer, and you will see the welcome message.

3.
Read the information in the next several windows; click Continue to move to the next window. Pay special attention to the information in the Read Me window. This information includes information about system compatibility.

4.
When you reach the Software License Agreement window, click Continue, and click Agree when prompted.

The installer will check the disks installed in your system. When it finishes, you will see the Select a Destination window. In this window, you will see all the volumes on your machine. If you created multiple partitions, each partition will be shown in the window. You will also see the size of each volume.

5.
Choose the volume on which you want to install Mac OS X. The volume that you selected will have a circle and green arrow on it to indicate that it is the currently selected volume.

When you select a volume, the Erase Destination and Format As check box will become active. If you choose this, you can erase and reformat the volume that you have selected. If you have prepared a volume for Mac OS X by installing Mac OS 9.2 on the same volume, you don't want to do this. However, if you are going to install Mac OS X on a separate volume, you can erase and format the volume using this feature.

If you can't select the volume on which you want to install Mac OS X, see “The Installer Won't Recognize a Partition” in the Troubleshooting section at the end of this appendix.


Note

If you are upgrading your Mac OS X installation rather than installing a “full” version, you must have had Mac OS X installed on at least one partition to run the installer. If you have deleted your previous Mac OS X installation for some reason, you will have to reinstall that version and then come back to the Mac OS X update installer.

6.
Assuming that you are installing Mac OS X on a separate volume from that on which you installed Mac OS 9.2, check the Erase Destination and Format As check box and choose Mac OS Extended from the pop-up menu. If you are installing Mac OS X on the same volume that Mac OS 9.2 is installed on, don't check this check box.

7.
Click Continue.

8.
If you are erasing the volume, you will see a warning dialog box; click Continue to erase and format the volume.

Caution

Formatting a volume erases all the data on it. Be careful that any data that you want to keep is backed up before you do this.

9.
You will see the Install Mac OS X screen, in which you choose whether to use the “Easy” installation option or the Customize option. In most cases, the Easy option is what you should use.

Note

The Customize option enables you to choose not to install several components of the OS. However, unless you have a very specific reason not to install some of the components, you should use the Easy Install option.

Click Customize to view the installation options that you have.

10.
Click Install. You will see a progress window that displays information about the various steps that the installer goes through to check and prepare the volume on which you are installing Mac OS X. Eventually, you see the message telling you that the software was successfully installed.

If the installation isn't completed successfully, see “The Installer Couldn't Finish” in the Troubleshooting section at the end of this appendix.


11.
Click Restart to restart your Mac.


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