Dell Inspiron 14 3421 Windows 8 drivers

Source : support.dell 
Download Dell Inspiron 14 3421 Windows 8 32/64bit drivers

Category	Description	File Name/Download
Realtek High-Defination Audio	This package provides Realtek ALC3221 Audio	Audio
Chipset	This package provides HM77 Express Chipset Family that are running on Operating System: Win7 and Win8	Chipset
Management Engine Interface	This package provides Management Engine Interface that	Chipset
Wi-Fi	This package provides Wireless 1703	Comm
Synaptics Touchpad	This package provides Touchpad running the following Operating Systems: Win7 and Win8	Input

WiFi + BT	This package provides for Wireless 1704 802.11b/g/n running the following operating systems: Win8	Network
Realtek Ethernet Controller	This package provides  for Realtek RTL8105E-VD Ethernet Controller running the following operating systems: Win7 and Win8	Network
Wireless 1703 802.11b/g/n, BT4.0+HS	Wireless 1703 802.11b/g/n, BT4.0+HS_X05_WF10.0.0.200_BTv8.0.0.208	DW1703
nVIDIA Graphics	This package provides for the nVIDIA Geforce GT625M / GT640M / GT730M Graphics	Video_NV
Graphics	This package provides for HD Graphics	Video