Ensure your Windows is up to date, as modern Windows 10/11 versions have better Bluetooth stack support. Check Battery: Low battery can cause connection drops.
You likely need to update or reinstall your BT52 mouse driver if you encounter these issues:
Bluetooth 5.2 is energy-efficient, but dead batteries are a common cause of disconnection. bt52 mouse driver
Assign macros, shortcuts, or media controls to the side buttons.
April 26, 2026 Subject: Investigation into Bluetooth 5.2 (BT52) Mouse Connectivity and Driver Failures 1. Executive Summary Ensure your Windows is up to date, as
Is your mouse connecting via or the USB wireless dongle ?
Open the BT52 software and lower the polling rate from 1000Hz to 500Hz or 250Hz. Additionally, open Windows Device Manager , expand Bluetooth , right-click your Bluetooth adapter, and select Update driver . 3. Settings Do Not Save Assign macros, shortcuts, or media controls to the
If you are experiencing issues with a specific brand (e.g., Logitech, Microsoft), it is always recommended to visit the manufacturer's website for the most optimized driver rather than using a generic one.
The Bluetooth device doesn't appear in the "Add Bluetooth" menu.
Often identified in Device Manager under Bluetooth as BTHLE\GenericDevice . Common Symptoms: Mouse not pairing or detected. Lagging or erratic movement. Driver Error (Code 52) - Digital signature issue. Frequent disconnection (Sleep/Power management issue). 3. Investigation & Findings 3.1 Driver Issues (Code 52)
Right-click the downloaded .exe file and select . Follow the on-screen installation wizard prompts.