Bluetooth adapter error 43

What is BT-ERR-43?

The BT-ERR-43 error is categorized as a medium-severity motherboard issue that can significantly impact your PC's stability. Bluetooth has stopped working, the icon has disappeared and the device is reporting Code 43. When experiencing the Bluetooth adapter error 43 fault, users often report sudden system crashes, unresponsive behavior, or a blue screen of death (BSOD). In most diagnostic scenarios, this problem is directly triggered by underlying hardware or software complications such as chip firmware (intel/realtek) stuck due to static electricity and outdated driver. To permanently resolve the BT-ERR-43 issue and prevent further system degradation, it is highly recommended to follow our step-by-step troubleshooting guide below, ensuring your motherboard components are functioning correctly.

Common Causes

• Chip firmware (Intel/Realtek) stuck due to static electricity
• Outdated Driver

Step-by-Step Fix Guide

• 1
  Unplug the PC from the socket, hold the power button for 30 seconds to discharge the capacitors and plug in (Hard Reset)

  Applying the first fix (Unplug the PC from the socket, hold the power button for 30 seconds to discharge the capacitors and plug in (Hard Reset)) addresses the most common root cause of BT-ERR-43 and restores baseline functionality.

• 2
  Remove the device via Device Manager and reboot

  If the problem persists, proceeding with the remaining steps ensures all edge cases related to mobo instability are covered.

Commands & Diagnostics