Source : support.dell
Download DELL Inspiron 14R SE 7000 Series ( 7420) Notebook Driver Windows 10 64bit

Category	Vendor	Description	Version	Date
Audio	Audio	Conexant Audio driver	1.0.48.0	10/17/2013	Download
BIOS	BIOS	Dell Inspiron 7420 System BIOS	A19, A19	01/15/2013	Download
Chipset	Driver	Realtek Memory Card Reader Driver	10.0.370.88	10/05/2015	Download
Chipset	Driver	Intel Chipset Driver	10.1.1.7	07/28/2015	Download
Chipset	Driver	Intel Management Engine Interface Driver	9.5.14.1724	10/14/2013	Download
Application	Driver	Dell Update Application for Windows 10	3.1.1	09/17/2023	Download
Application	Driver	Dell Update Application	3.1.2	04/27/2020	Download
Application	Driver	Dell Help And Support Application	2.6.1.0	03/27/2018	Download
Application	Driver	Dell QuickSet Application	11.1.45	09/14/2023	Download
Application	Driver	Dell/Alienware Digital Delivery Application	4.0.70.0	12/17/2020	Download
Mouse, Keyboard & Input Devices	Driver	Dell Touchpad Driver	10.1200.101.203	11/30/2015	Download
Mouse, Keyboard & Input Devices	Driver	Dell Camera Firmware Update	A00	10/23/2012	Download
Network	Driver	Dell Wireless 1704 Wi-Fi Driver	7.35.333.0	01/05/2016	Download
Network	Driver	Dell Wireless 1703/1705/ 1707/1901 Wireless and Bluetooth Driver	10.0.0.318	07/28/2015	Download
Searial ATA	Driver	Intel Rapid Storage Technology Driver	12.8.2.1000	10/14/2013	Download
Video	Utility	Intel HD Graphics Driver	10.18.10.4338	12/30/2015	Download
Video	Utility	NVIDIA GeForce GT/GTX Series Graphics Driver	10.18.13.5362	10/12/2015	Download

DELL Inspiron 14R SE 7000 Series (7420) Driver Windows 10 64bit