* Insert the CD/DVD into the drive.
* Restart the Computer.At the DELL Logo,Tap "F12" key.
* From the "Boot Device Menu" that appears, Highlight the Option, "Boot FromCD/DVD drive" using the arrow keys and Press Enter.
* You will be Prompted to "Press any key to Boot From CD/DVD..."
* Press Enter immediately ( You have only 3 sec for this step. If you miss it, then restart the Computer and Start all Over again)
* Restart the Computer.At the DELL Logo,Tap "F12" key.
* From the "Boot Device Menu" that appears, Highlight the Option, "Boot FromCD/DVD drive" using the arrow keys and Press Enter.
* You will be Prompted to "Press any key to Boot From CD/DVD..."
* Press Enter immediately ( You have only 3 sec for this step. If you miss it, then restart the Computer and Start all Over again)