Realizing he was wasting time, Lucas calmed down and followed Silas’s method. Here is exactly what he did—a useful guide for anyone facing the same issue:
: Windows 7 often lacks the necessary A2DP (audio) and AVRCP (control) profiles for these older devices, even if "Windows Update" is active. The Hardware Identity Crisis Bluetooth mbt-503-03 driver windows 7
Look for an .inf file (e.g., bcbtums.inf or csrbth.inf ), select it, and click . Click Next to force Windows 7 to install the driver. Troubleshooting Common Windows 7 Bluetooth Issues Bluetooth Icon is Missing Realizing he was wasting time, Lucas calmed down