Source : support.dell

Download DELL Inspiron 14R SE 7420 Notebook Driver Windows 8 64bit

	Vendor	File	Version	Size
Download (55)	Application	Dell Quickset Application	11.1.37,A06	2/8/2013
Download (51)	Application	Intel WiDi	3.5.40.0,A02	2/8/2013
Download (52)	Application	Dell Digital Delivery	2.2	10/22/2012
Download (48)	Application	Intel Turbo Boost Technology Monitor	2.6.2.0,A00	10/22/2012
Download (48)	Audio	Conexant Audio driver	8.54.40.0,A01	11/21/2012
Download (50)	BIOS	Dell Inspiron 7420 System BIOS	A14	1/16/2013
Download (57)	Chipset	Intel Chief River QS77 Chipset	9.3.0.1021,A01	2/8/2013
Download (49)	Chipset	Intel ME driver	8.1.0.1263,A02	2/8/2013
Download (52)	Chipset	Realtek CardReader driver.	6.1.8400.39030,A01	2/8/2013
Download (54)	Input	ALPS Touchpad Driver	8.1200.101.214,A02	2/8/2013
Download (45)	Network	Relase for DW1703/DW1901	WLAN_10.0.0.200/ BT_8.0.0.209,A03	2/8/2013
Download (48)	Network	Intel Centrino Advanced-N Bluetooth v4.0 + HS	2.6.23.40059,A02	2/8/2013
Download (40)	Network	Release for DW1704	WLAN_6.30.59.74/ BT_12.0.0.2702,A02	2/8/2013
Download (44)	Network	Intel Centrino Advanced-N 2230	15.2.0.19,A02	1/3/2013
Download (52)	Serial ATA	Intel RapidStorage Driver	11.6.0.1030,A02	2/8/2013
Download (52)	Video	Intel HD Graphics 4000	9.17.10.2867,A04	2/8/2013
Download (64)	Video	Nvidia Geforce Graphics Driver (Windows 7 / Windows 8)	9.17.13.0707,A03	2/8/2013