Acpi\tos620a
Because Toshiba abandoned this driver, you have to get a little creative. Do try to let Windows search automatically—it will fail 100% of the time.
Yes, that tiny, almost invisible pinhole next to your webcam or below the LCD screen? That is the culprit. The TOS620A is a photometer that tells your laptop: "Hey, it's dark in here, turn down the backlight" or "Wow, it's sunny, crank the brightness to max." acpi\tos620a
If you are reading this, you likely have one of two things in front of you: a vintage Toshiba laptop from the late 2000s (Think Satellite Pro, Tecra, or Portégé series) or a Device Manager screen littered with yellow warning triangles. In the center of that digital crime scene sits a mysterious device labeled simply: with the hardware ID ACPI\TOS620A . Because Toshiba abandoned this driver, you have to
If the automatic setup fails, you can force-install the driver via Device Manager: That is the culprit
The ACPI TOS620A boasts several key features that make it an essential component of modern computer systems: