For successful installation and operation of all buttons "volume," "brightness", etc. The first thing to do, setting all to a single driver on a laptop VGN-FE, which would be in the task manager there was no "question mark" or "exclamation point" "? Only now proceed to install utilities. Sony VAIO VPCF117FX/B Laptops Drivers Download You need to follow a strict sequence of installation. The manufacturer recommends that you install the drivers and utilities to update the latest firmware BIOS. I[…]
