You might need to start Windows from the installation CD or DVD if:
You want to install or reinstall Windows.
You want to recover Windows from a serious error.
To start Windows from a CD or DVD
Turn on your computer, insert the Windows installation CD or DVD, and then restart your computer.
Press any key when prompted to do so, and then follow any instructions that appear.
When the Install Windows page appears, click Install now to begin the installation process or click Repair your computer to access system recovery options.
Follow the instructions.
Change the boot order in BIOS so the CD, DVD, or BD drive is listed first. Some computers are already configured this way but many are not.
If the optical drive is not first in the boot order, your PC will start "normally" (i.e. boot from your hard drive) without even looking at what might be in your disc drive.
Note: After setting your optical drive as the first boot device in BIOS, your computer will check that drive for a bootable disc each time your computer starts. Leaving your PC configured this way shouldn't cause problems unless you plan on leaving a disc in the drive all the time.
Insert your bootable CD, DVD, or BD in your disc drive.
How do you know if a disc is bootable? The easiest way to find out if a disc is bootable is to insert it in your drive and follow the remainder of these instructions. Most operating system setup CDs and DVDs are bootable, as are many advanced diagnostic tools like the ones I discussed above.
Note: Programs downloadable from the Internet that are intended to be bootable discs are usually made available in ISO format. See How To Burn an ISO File for more information.
Restart your computer.
Watch for a Press any key to boot from CD or DVD... message.
When booting to a Windows setup disc, and some other bootable discs as well, you may be prompted with a message to press a key to boot to the disc. To boot from the disc, you'll need to press any key on your keyboard (like the space bar) within the few seconds that the message is on the screen.
If you do nothing, your computer will check for boot information on the next boot device in the list in BIOS (see Step 1) which will probably be your hard drive.
Some bootable discs do not prompt for a key press and will start immediately.
Your computer should now boot from the CD, DVD, or BD disc.
Note: What happens now depends on what the bootable disc was for. If you're booting to a Windows 7 DVD, the Windows 7 setup program will begin. If you're booting to aSlackware Live CD, the version of the Slackware Linux operating system you've included on the CD will run. You get the idea.
If you tried the above steps but your computer did not boot from the disc properly, check out some of the tips below.
If the Install Windows page does not appear
If the Install Windows page does not appear and you aren't asked to press a key to start (or "boot") from CD or DVD, you might have to specify that your computer use its CD or DVD drive as the first startup device. To do this, you need to change settings in the computer's basic input/output system (BIOS).
Warning
Be careful when changing BIOS settings. The BIOS interface is designed for advanced users, and it's possible to change a setting that could prevent your computer from starting correctly.
Turn on your computer, insert the Windows installation disc, and then restart your computer.
Newer computers often display a startup (or boot) menu. On the startup menu, select "BIOS setup," or "BIOS settings," or something similar.
Procedures vary depending on the BIOS manufacturer. Usually, you must press a key (such as F2, F12, Delete, Esc) or a key combination immediately after you turn on your computer but before Windows starts. For more information, check the information that came with your computer or go to the computer manufacturer's website.
The BIOS setup screen appears. On the BIOS setup screen, select the option called "Boot order," or something similar.
Select your CD or DVD drive as the first startup device, save the setting changes, and then exit the BIOS.
Restart your computer, and then start Windows from the installation CD or DVD as previously described.
If the Install Windows page does not appear and you aren't asked to press a key to start (or "boot") from CD or DVD, you might have to specify that your computer use its CD or DVD drive as the first startup device. To do this, you need to change settings in the computer's basic input/output system (BIOS).
Warning
Be careful when changing BIOS settings. The BIOS interface is designed for advanced users, and it's possible to change a setting that could prevent your computer from starting correctly.
Turn on your computer, insert the Windows installation disc, and then restart your computer.
Newer computers often display a startup (or boot) menu. On the startup menu, select "BIOS setup," or "BIOS settings," or something similar.
Procedures vary depending on the BIOS manufacturer. Usually, you must press a key (such as F2, F12, Delete, Esc) or a key combination immediately after you turn on your computer but before Windows starts. For more information, check the information that came with your computer or go to the computer manufacturer's website.
The BIOS setup screen appears. On the BIOS setup screen, select the option called "Boot order," or something similar.
Select your CD or DVD drive as the first startup device, save the setting changes, and then exit the BIOS.
Restart your computer, and then start Windows from the installation CD or DVD as previously described.
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