How to start a computer with a CD (with images)

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How to start a computer with a CD (with images)
How to start a computer with a CD (with images)
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Usually your computer (PC or Mac) boots from the operating system of the hard drive, but there may be times when you boot it from a bootable CD-ROM, for example when installing a new system or installing the running a program (cleaning a hard drive) that requires booting from an external media.

Steps

Method 1 of 2: Using a Windows PC

Boot a Computer from a CD Step 1

Step 1. Insert the CD-ROM into the computer

Place the CD-ROM on the player tray, decorated side up. The CD-ROM must be bootable, ie contain a Windows operating system.

Boot a Computer from a CD Step 2

Step 2. Open the Start menu (

Windowsstart

).

Click the Windows logo in the lower left corner of the screen, or press the ⊞ Win key.

In Windows 8, place the mouse cursor in the upper right corner of the screen, then click the magnifying glass

Boot a Computer from a CD Step 3

Step 3. Click on / off (

Windowspower

).

The button is in the lower left corner of the start window.

Boot a Computer from a CD Step 4

Step 4. Click Restart

This possibility is offered to you at the bottom of the sub-menu that appeared.

  • If you have any programs running, you will be notified. If you have nothing important to save, click Restart anyway.
Boot a Computer from a CD Step 5

Step 5. Enter BIOS

The key to press at startup varies from computer to computer. Often it is the delete or F2 keys. The phrase Press [key] to enter setup (Press [key] to enter BIOS) tells you which key to press.

Otherwise to know the key in question, consult the booklet of your computer or do a little research on the Internet

Boot a Computer from a CD Step 6

Step 6. Navigate to the Startup tab

To select this tab, use the arrow keys on the keyboard.

  • On some computers, this will be the tab Boot options, which is exactly the same.
Boot a Computer from a CD Step 7

Step 7. Select CD-ROM Group

Use the arrow keys to highlight this device (white letters on a black background).

Boot a Computer from a CD Step 8

Step 8. Change the boot order

Press the + button until

CD-ROM group is in first place, at the top of the list in short.

If the + key didn't work, look in the bottom or right legend and see what to do

Boot a Computer from a CD Step 9

Step 9. Save the new settings

At the bottom of the screen you have indicated keys and among them there is one, F10 (Save and end), which allows you to save and exit the BIOS. Your computer then restarts on the operating system of the CD-ROM.

You may also have to validate the request by pressing the Enter key

Method 2 of 2: With a Mac

Boot a Computer from a CD Step 10

Step 1. Insert the CD-ROM into the computer

Slide the CD-ROM into the slot of the reader located on the edge (on the right). The CD-ROM is inserted with the decorated side facing up. Your Mac will only be able to start from this CD-ROM if it contains a minimum operating system.

Today, no Mac is sold with a CD-ROM drive. And so to be able to boot from such a medium, you will need an external drive that plugs into a USB port

Boot a Computer from a CD Step 11

Step 2. Click on the Apple menu (

Macapple1

).

It is on the far left of the general menu bar, at the top of the screen.

Boot a Computer from a CD Step 12

Step 3. Click Restart

This possibility is offered to you towards the bottom of the list.

Boot a Computer from a CD Step 13

Step 4. Confirm the restart

Click the Restart button, which will result in… restarting your Mac.

Boot a Computer from a CD Step 14

Step 5. Hold down ⌘ Cmd

The computer turns off briefly, you must immediately press and hold this key until the startup window appears.

Boot a Computer from a CD Step 15

Step 6. Then click on the CD-ROM icon

If it is an installation DVD of a certain version of Mac OS X, this icon will show this mention.

Boot a Computer from a CD Step 16

Step 7. Validate with the Enter key

Your computer will restart on the CD-ROM which has thus become priority and will remain so as long as you do not change the order.

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