Source :
support.dellDownload Dell Inspiron 15z 5523 windows 7 64bit drivers Dell inspiron 15z 5523 video driver nVidia Geforce GT625M / GT640M /GT730Driver
download If your video is Intel HD Graphics 3000/4000, you need download
here by intel.
Dell inspiron 15z 5523 Realtek Card Reader Driver Realtek Card Reader Driver
download Inspiron 15z 5523 Network Driver Atheros AR8161 Ethernet Controller DRIVER
download Dell Wireless 1704 802.11b/g/n
download (323) DW5560 driver installer release
download Dell Update Package of driver supporting DW5560 Mobile Broadband Mini-Card
download Dell WiFi Driver for 1901 802.11 a/b/g/n, BT4.0+HS WiFi
download Inspiron 15z 5523 input driver Synaptics Touchpad
Driver Dell inspiron 15z 5523 chipset driver Intel Management Engine Interface Driver
download Intel Chipset Driver
download Dell inspiron 15z 5523 audio driver IDT High-Definition Audio Driver
download Dell inspiron 15z 5523 Application Intel Smart Connect Technology Driver
download Dell Quickset Application
download Dell Digital Delivery Client
download