- Application - Application: Dell Quickset Application - [Detail]. Download:
- Audio - Application: Intel Wireless Music Driver - [Detail]
- Audio - Driver: Realtek High-Definition Audio Driver - [Detail]. Download:
- BIOS - BIOS: Dell XPS L521X System BIOS - [Detail]
- Chipset - Driver: Realtek Card Reader Driver - [Detail]
- Chipset - Driver: Intel Management Engine Interface - [Detail]
- Chipset - Driver: Intel USB 3.0 eXtensible Host Controller Driver - [Detail]
- Chipset - Driver: Intel Panther Point HM77 Chipset Driver - [Detail]. Download:
- Chipset - Driver: DELL,SRV,DRVR,CARD READER,L421X,6.1.7601.28094,A00 - [Detail]
- Input - Driver: Dell Touchpad Driver - [Detail]
- Network - Application: Intel Smart Connect Technology Application - [Detail]
- Network - Driver: Intel Wireless LAN - i6235 - [Detail]
- Network - Driver: Dell Wireless 1901 802.11 a/b/g/n, BT4.0+HS - [Detail]. Download:
- Network - Driver: Realtek Ethernet Controller Driver - [Detail]
- Network - Driver: Intel BT Driver - [Detail]
- Network - Driver: Qualcomm Killer WiFi Driver - [Detail]
- Serial ATA - Driver: Intel Rapid Storage Technology Driver - [Detail]
- Serial ATA - Firmware: Product Feature Improvement in event of dirty power down - [Detail]
- System Utilities - Application: Intel Rapid Start Technology Utility - [Detail]
- System Utilities - Application: DELL,SRV,DRVR,IRSTT,XPS,L421X,1.0.0.1021,A00 - [Detail]
- System Utilities - Driver: ST Microelectronics Motion Sensor Driver - [Detail]
- Systems Management - Driver: WINPE Driver Pack - [Detail]. Download:
- File 1: Dell-WinPE-Drivers-A09.xml
- File 2: Dell-WinPE-Drivers-A09.CAB
- File 3: Dell-WinPE-Drivers-A09.html
- Systems Management - Driver: XPS15 L521X Win7 Driver Cab Pack - [Detail]. Download:
- File 1: XPS-15-L521X-win7-A03-FK76W.CAB
- File 2: XPS-15-L521X-win7-A03-FK76W.xml
- File 3: XPS-15-L521X-win7-A03-FK76W.html
- Video - Application: Intel WiDi Application - [Detail]
- Video - Driver: nVIDIA Graphics Driver - [Detail]. Download:
- Video - Driver: Intel Graphics Driver - [Detail]
- Video - Driver: DELL,SRV,DRVR,INTEL,VID,L421X,8.15.10.2653,A00 - [Detail]
Other Operating Systems for XPS 15 (L521x) drivers:
- XPS 15 (L521x) BIOS drivers
- XPS 15 (L521x) Other drivers
- XPS 15 (L521x) Windows 7 32-bit drivers
- XPS 15 (L521x) Windows 7 64-bit drivers
- XPS 15 (L521x) Windows 8 32-bit drivers
- XPS 15 (L521x) Windows 8 64-bit drivers
- XPS 15 (L521x) Windows drivers
- XPS 15 (L521x) Windows Vista 32-bit drivers
- XPS 15 (L521x) Windows Vista 64-bit drivers
- XPS 15 (L521x) Windows XP drivers