If you are having difficulties with your Asus VivoBook X540SA, try referring the Troubleshooting Page.
Background and Identification
The Asus VivoBook X540SA has 500GB of internal storage. The chiclet keyboard and HD display allow easy typing and navigation. This laptop features built-in stereo speakers with SonicMaster technology, as indicated by the SonicMaster logo on the top right hand corner of the keyboard. It also features a built in web-cam along the top bezel.
On the left side of the device there are two USB ports in addition to HDMI, mini-VGA, and an ethernet port. The right side of the device has a disk drive.
The back of the device lists the model directly next to the Asus logo.
The Asus VivoBook X540SA has had a history of over heating in the past, which has caused a common need for repairs. The 4GB of RAM is soldered to the board, making user upgrades impossible.