Dell Drivers for Alienware Laptop M11xR2

Audio 
Realtek ALC665                                              click to download

chip set(3)

Intel QS57 Express Chip set                               click to downlod
JMicron JMB380 - 1394                                     click to download
JMicron JMB380C - Card Reader                      click to download 

communication(2)

Dell Wireless 5620 EVDO-HSPA Mobile Broadband Mini-Card          click to download
Dell Wireless 5620 EVDO-HSPA Mobile Broadband Mini-Card         click to download

mouse&keyboard     

Synaptics Synaptics TouchPad                                                              click to download 

Network(4)

Atheros AR8132 LAN 10/100                              click to download
Dell Wireless 365 Bluetooth Module                      click to download
Dell Wireless WLAN 1520 Half MiniCard             click to download
Intel Intel(R) WiFi Link 6200                                 click to download  

Video(2)

Intel Graphic Media Accelerator HD                     click to download 
nVidia Geforce GT335M                                      click to download