Did you Install all the Dell drivers and Utilities from the Dell Website? Dells are a little different than a generic computer.Dell Website Link
I'm thinking of these, I'd give these three a try.Notebook System Software
, Should be first thing installed.
Notebook System Software (NSS) is a utility that provides critical updates and patches for your operating system. Install the NSS program to gain support for Dell 3.5-inch USB floppy drives, Intel Pentium-M processors, CD-ROM/CD-RW/DVD drives, Infrared (IR) communications, and USB devices. NSS is necessary for correct operation of your Dell portable computer, including the Dell D/Bay, D/Dock, D/Port, and D/View family of docking devices. NSS automatically detects your computer and operating system and installs the updates appropriate for your configuration.
How to Download and Install Drivers in the Correct Order
QuickSet provides the following features: POWER: Power management schemes, Battery resource information and health, Warning messages unsupported power-adapter/dock/battery scenarios are detected. DISPLAY: Display brightness, Desktop font & Internet Explorer Scaling, Display switching via Fn+F8 and presentation mode. NETWORK/CONNECTIVITY: Radio/Wireless activity control using the wireless switch (OR) the Fn+F2 hotkey depending on your system, Location Profiler (Creation and switching of profiles comprising location dependent system settings; Managing multiple connections), Internal network card activity (depending on your system), Wi-Fi Catcher Network Locator Configuration OTHER/SYSTEM SETTINGS: Volume status, Hotkey hibernate, MediaDirect (on certain systems) XPS SYSTEMS only: LED color control and Touchpad LED control (depending on your system), Advanced power schemes
The following list is an overview of the correct order to install drivers on Dell desktops and laptops. After manually reinstalling a Microsoft Windows operating system, follow the order listed when reinstalling drivers. If you are installing a single driver or for Installation Instructions click here .Otherwise It is recommended that you print this list for reference when installing drivers after a manual reinstallation of Microsoft Windows operating system.
Hope this helps
Edited by rotor123, 28 July 2012 - 02:46 PM.