Dear Valued Customer,
Thank you for contacting ASUS Customer Service.
My name is Jany and it's my pleasure to help you with your problem.
Also please if convenience, please update the BIOS I paste to you to test again.
PS:
Due to the nature of BIOS update, there is certain level of dangers involved. BIOS update must be performed with extreme caution . During BIOS update process, your system must be maintained without interference or power loss to prevent unexpected damage.
Welcome to refer Troubleshooting & FAQ for ASUS products in ASUS website:
http://support.asus.com/troubleshoot...Language=en-us
http://support.asus.com/faq/faq.aspx?SLanguage=en-us
If having any problems, please don't hesitate to let me know. Let's discuss this issue together.
Thank you for using ASUS products and enjoying ASUS services!
ASUS Customer Service Center (Shanghai, China)