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Insert the Ubuntu CD and reboot your computer. At the BIOS startup screen, look for the keypress option that brings up the boot device menu. Exactly what this is varies from computer to computer. On many computers you’ll need to hit the Esc key, or F12. Select the CD/DVD-ROM drive from the menu when it appears. If there’s no option for bringing up the boot device menu, enter BIOS setup by hitting the relevant key (usually Delete). Then configure the CD/DVD-ROM drive as the first boot device. Again, how this is done varies from PC to PC.
When the computer boots from the CD, the Ubuntu CD-ROM boot menu will appear. Using the up/down cursor keys, select your preferred language from the list and hit Enter. Then highlight the Install Ubuntu option on the main menu using the cursor keys and hit Enter.
Eventually the Ubuntu installation program window will appear, as shown in Figure 1-1. Work your way through the choices, such as entering your location and language choices, clicking the FORWARD button to move on each time.
After some time, the disk repartitioning choices will appear. Three options are listed: Guided—Resize SCSI1 (0,0,0) Partition; Guided—Use Entire Disk; and Manual (you may see Guided—Resize IDE instead of the first option, but it’s the same thing). Guided—Resize Partition is the default choice, and the installer will attempt to choose the optimal resizing option for the Windows partition. A preview of the changes will be displayed in graphical form. By clicking and dragging the handle in the preview display alongside the New Partition Size heading, you can alter the size of the free space created (see Figure 1-2 overleaf, where the handle is indicated via an annotation; note that Figure 1-2 shows the Ubuntu 8.10 installer). No changes are made until you click the FORWARD button. Usually the installer’s default resizing choice is fine, but it can be a little aggressive in taking space for Ubuntu, so you might opt to drag the slider to preserve a little more free space in the Windows partition. If after clicking the FORWARD button you see the error message “Too small size”, you will have to drag the slider a little to the right to give Windows more free space.
If you want to dedicate your computer’s hard disk entirely to Ubuntu, and erase Windows , click the Guided—Use
10 : Installing Ubuntu