Bluetooth + WiFi Driver Asus S400C, S400CA ((Direct Download Link))

For Windows 8.1 (64bit)
Download | Qualcomm Atheros WiFi Driver
Download | Qualcomm Atheros Bluetooth Driver

For Windows 8 (64bit)
Download | Qualcomm Atheros WiFi Driver
Download | Qualcomm Atheros Bluetooth Driver

Bluetooth + WiFi Driver Asus S400C, S400CA ((Direct Download Link))

ASUS VivoBook S400CA Laptop Features:
- Up to Intel Core i7 3517U Processor- žPrecision touchscreen for intuitive enjoyment
- Packs touch, SSD speed, and hard drive storage capacity in a sleek design
- Brushed-hairline aluminum textures offer high durability and an elegant look
- Enjoy SonicMaster for impactful and richer sound performance
- Windows 8 Pro or other editions available

Laptop Specifications:
Processor
Intel Core i7 3517U 
Intel Core i5 3317U 
Intel Core i3 7100U/3217U
Intel ULV Pentium 987
Intel Celeron 847 
(On selected models)
Operating System
Windows 8 Pro
Windows 8
Chipset
Intel Chief River Chipset HM76
Memory
DDR3 1600 MHz SDRAM, OnBoard Memory 2 GB / 4 GB, 1x DIMM socket
Display
14.0" 16:9 HD (1366x768) LED Backlight Glare panel
Graphic
Integrated Intel HD Graphics 4000 
Integrated Intel HD Graphics 3000 
Integrated Intel HD Graphics
Storage
2.5" SATA
- 500GB 5400 
- 320GB 5400 
3GB SSD Cache
Card Reader
card reader ( SD )
Camera
HD Web Camera
Networking
Integrated 802.11 b/g/n
Built-in Bluetooth™ V4.0 (Optional)
10/100/1000 Base T
Interface
1 x COMBO audio jack 
1 x VGA port/Mini D-sub 15-pin for an external monitor
1 x USB 3.0 port(s) 
2 x USB 2.0 port(s)
1 x RJ45 LAN Jack for LAN insert 
1 x HDMI 
Audio
Built-in Speakers And Microphone
Battery
44 Whrs Polymer Battery
Power Adapter
Output :
19 V DC, 3.42 A, 65 W
Input :
100 -240 VAC, 50/60 Hz universal
Dimensions
33.9 x 23.9 x 2.1 cm (WxDxH)
Weight
1.8 kg (with Polymer Battery)
Manufacturer Warranty
2-year limited International hardware warranty. *different by country
1-year battery pack warranty
On-line problem resolution through web interface (BIOS, Driver update)
OS (Windows 8 ) install/uninstall consultation
Bundled software install/uninstall consultation
ASUS software supporting

- OnBoard Memory 2 GB / 4 GB+ 1x DIMM socket (total 4G/6G/8G) 
- Integrated Intel HD Graphics 4000 (i3-3217/i5-3317/i7-3517) 
- Integrated Intel HD Graphics 3000 i3-2365
- Integrated Intel HD Graphics 987/847