If you have landed on this article, you are likely staring at a yellow exclamation mark in Device Manager, or your system is telling you that “Bluetooth Peripheral Device” drivers are not installed. This guide will walk you through everything you need to know about the MBT-503-03, its compatibility with Windows 7, and step-by-step solutions to get it working.
Bluetooth Dongle under Vista Ultimate 64Bits - Microsoft Q&A Bluetooth mbt-503-03 driver windows 7