: ASUS UX31 Inch Laptop [ model]: Computers & Accessories. Power Cord Supply for Asus Zenbook Prime UX21A UX31A UX32A UX42A, . /AGN + WIDI / CMOS HD Camera / Bluetooth / Micro HDMI / USB. I have a Asus Zenbook Prime UX31A that came with Windows 7. I upgraded to windows 8 and I have an issue with bluetooth. When I restart. Best Buy has honest and unbiased customer reviews for Asus - Zenbook Ultrabook " Laptop - 4GB Memory I have recently purchased a Asus Zenbook Prime UX31A - R from Best Buy. . I love the fast USB port and bluetooth.