gwoe, Thank you for using the Dell Community Forum. You can download the drivers for your system below. The first driver you need to install is the Chipset Driver; which is what you have as the number one on your list.  Studio XPS 1640 Win7 64 bit Drivers
have installed Windows 7/ 64 Bit on Laptop Studio XPS 1640.   Problems:  Cant find any solutions or specially drivers. Who can help? Thanks gerhard
Windows 7 64 Bit Driver etc.