| Audio | Realtek Audio Driver for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
| Bluetooth and Modem | Bluetooth Driver (Atheros, Realtek, Broadcom) for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
| Camera and Card Reader | Camera Driver (Bison, AzureWave) for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
| Camera and Card Reader | Realtek Card Reader Driver for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
| Chipset | Intel Chipset Driver for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
| Chipset | Intel Dynamic Platform and Thermal Framework Driver for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
| Chipset | Intel Sideband Fabric Device(MBI) Driver for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
| Chipset | Intel TXEI Driver for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
| Display and Video Graphics | Intel VGA Driver for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
| Mouse and Keyboard | Touchpad Driver (Elan, Synaptics) for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
| Networking: Wireless LAN | Airplane Control for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
| Networking: Wireless LAN | WLAN Driver (Atheros, Realtek, Broadcom) for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
| Storage | Intel Serial-IO Driver for Lenovo S21e-20 | Windows 8.1 64-bit | 2/13/2015 | DOWNLOAD |
