Dell Drivers for Alienware Desktop Area-51/Area-51 ALX

Audio Drivers(2)
here two driers, download based on your requirement

(1) Creative Labs Creative PCI Express Sound Blaster X-Fi Xtreme Audio click to download
     compatibility    
Microsoft Windows 7 32-bit
Microsoft Windows 7 64-bit
Microsoft Windows Vista 32-bit
Microsoft Windows Vista 64-bit
Microsoft Windows XP
Microsoft Windows XP x64
 
(2)  Realtek ALC888 HD Audio click to download 

   compatibility
Microsoft Windows 7 64-bit 

Chipset(1) 
Intel Chipset Software Installation Utility click to download
  compatibility
Microsoft Windows 7 64-bit
Microsoft Windows Vista 64-bit

Network(4)
here 4 drivers, download based on your requirement
(1)Atheros Wireless 1525 WLAN Mini Card Desktops click to download 
   compatibility
Microsoft Windows 7 32-bit
Microsoft Windows 7 64-bit
(2) Dell Wireless 1505 Draft 802.11n WLAN Mini-Card Desktops click to download
 compatability
Microsoft Windows 7 32-bit
Microsoft Windows 7 64-bit
(3)Broadcom 57XX Gigabit Integrated Controller click to download
compatability
Microsoft Windows 7 64-bit
Microsoft Windows Vista 64-bit
(4) Bigfoot Networks Killer NIC 128MB PCIe click to download
compatability
Microsoft Windows 7 64-bit

videos(4)    
here 4 drivers, download based on your requirement

(1) AMD Radeon HD 6990 click to download
compatability
Microsoft Windows 7 64-bit

(2) Hauppauge WinTV-HVR-1200 click to download
compatability
Microsoft Windows 7 32-bit
Microsoft Windows 7 64-bit
Microsoft Windows Vista 32-bit
Microsoft Windows Vista 64-bit

(3) nVidia GeForce GTX 590 click to download
compatability
Microsoft Windows 7 64-bit

(4) nVidia GTX 480 click to download
compatability
Microsoft Windows 7 64-bit