Dell Inspiron 15 3521 Drivers for Windows 8
| Category | Description | Download |
| Realtek Audio High-Definition | Realtek Audio Driver ALC-3221 | |
| Intel Chipset Driver | Intel(R) 7 Series Chipset Family | |
| Intel Management Engine Interface | Intel Management Engine Interface | |
| Realtek Card Reader Driver | Realtek Card Reader RTS5179 | |
| Intel Turbo Boost Technology | Intel Turbo Boost Technology Monitor | |
| Synaptics Touchpad Driver for Win7 and 8 | ||
| Dell Wireless 1703/1705 WiFi + BT | Dell Wireless 1703/1705 WiFi + Bluetooth | |
| Dell Wireless 1704 WiFi + BT | Dell Wireless 1704 and BT 4.0+HS | |
| Realtek Ethernet Controller Driver | Realtek RTL8105E Ethernet Controller Driver | |
| AMD Graphics Driver | AMD Radeon HD 8730M Graphics Driver | |
| AMD Graphics Driver | AMD Radeon HD 7670M Graphics Driver | |
| Intel Graphics Driver | Intel HD 4000 Graphics Driver |