The procedure and speed of burning the ISO to DVD has been the most frequent cause of installation failure
• How did you burn the DVD? Briefly describe the steps you used.
• Which ISO burning software did you use?
• At what burning speed and with Verify checked?
• A slow burn speed, lowest setting (example x4 speed), will ensure an error free burn.
Here is a very good tutorial on burning an ISO:
How to Burn a Disc Image from a ISO or IMF file in Windows 7
Due to burning DVD failure to install incidents these alternative methods are suggested
There are two non DVD methods for installing Windows 7:
• Installation using a USB key (Memory stick, Flash Memory) it’s easy and fast to setup using this tutorial:
How to Create a Windows 7 Installation USB Key
• Installation from another partition or hard disk, try this tutorial:
How To Install Windows 7 Without DVD, USB Device, Network or Any Other External Device
• This partition or hard disk method is designed for advanced users:
How to Install Windows 7 FAST without a DVD or USB Device
Other
• Any Over Clocking of the RAM or CPU?
Suggestions
• Remove everything not essential to loading Windows 7, from the system. No printers, gamepads, second monitors, scanners, external devices, flash drives etc., keep only the monitor, keyboard and mouse.
• A standard VGA cable connection between Video card & Monitor is sometimes required for a Windows 7 installation.