Source : support.dell
Download Dell Inspiron 17R SE 7720 Window 8.1 64bit drivers
Application (4)
Audio (1)
BIOS (1)
Inspiron 7720 System BIOS 6/1/2015 A17 Download
Chipset (3)
Intel Chipset Driver 10/17/2013 9.4.0.1026, A00 Download
Intel Management Engine Interface Driver 10/17/2013 9.5.14.1724, A01 Download
Mouse, Keyboard & Input Devices (1)
Network (4)
Dell Wireless 1704 802.11b/g/n (2.4GHz), Bluetooth 4.0+HS Driver 1/5/2015 6.30.223.245, A01
Intel Wireless 6250/6150 WiMAX Application 12/19/2013 7.5.1007.26, A00 Download
Dell Wireless 1703/1901 Wi-Fi + BT Driver 10/17/2013 10.0.0.263, A00 Download
Serial ATA (2)
Intel Rapid Storage Technology Driver 10/17/2013 12.8.2.1000, A00 Download
LiteOnIT LMS-32L6M Solid State Drive Firmware Update 11/15/2013 DM5110E, A04