Hello Bee, Using a USB Bluetooth dongle can enable you to wake up your PC from sleep mode (S3) with a Bluetooth mouse or keyboard, but it's not always guaranteed to work. Here's what you need to consider: 1. Bluetooth Device Compatibility: Your Bluetooth mouse or keyboard must support waking the PC. This feature is known as Wake-on-Bluetooth (WoB). 2. BIOS Settings: Make sure that your motherboard supports wake events from Bluetooth devices. Check your BIOS settings for options related to waking the PC with Bluetooth devices. 3. USB Bluetooth Dongle: If your PC doesn't have built-in Bluetooth capability, you'll need a USB Bluetooth dongle. Ensure that the dongle is recognized in S3 mode for it to work. 4. Driver...