Download Driver Notebook Acer One Z1401 for Windows 8.1 x64 (64Bit) Audio Driver Date: 2015/07/03, Version: 6.0.1.7209, Vendor: Realtek, Size: 209.6 MB Card Reader Driver Date: 2015/07/03, Version: 6.3.9600.21247, Vendor: Realtek, Size: 10.5 MB Chipset Driver Date: