I'd install all of these: Chipset driver: Peripherals metadata: And, I'd also look elsewhere on the unit for a second model number that better identifies which hardware is included in your unit as Sony is well known for double modeling their laptops and desktops and showing only limited driver offerings for one model or the other. And since I can find no USB drivers or filters for that particular model number, it's likely listed under another model so if those drivers above do not resolve the issue we would need to pursue that avenue. You might be best off contacting Sony support directly with your model number for assistance. If there is an express service tag number, or something similar, that would be helpful as well.

1.) The device manager shows a yellow flag on Other Devices >>MAss Storage Controller, driver not installed. PCI bus 10,device 3, function 2. Nothing is useful at SONY.

Why do i see many drivers? Below is a list of drivers that may be suitable for your device. With the different devices, they can have the same driver, it's because they all use the same chip manufacturer. The Hives Discography. How to select driver?

If you are looking for an update, pickup the latest one. If your driver isn't working, use the driver having the same OEM with the your laptop/desktop brand name.