Motherboard · medium

How to fixBT-ERR-43

Bluetooth adapter error 43

What this error means

Bluetooth adapter error 43 (BT-ERR-43) is a medium-severity fault affecting the motherboard. Bluetooth has stopped working, the icon has disappeared and the device is reporting Code 43. Common triggers are chip firmware (Intel/Realtek) stuck due to static electricity and outdated Driver. Work through the steps below in order.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 2 complete
01Unplug the PC from the socket, hold the power button for 30 seconds to discharge the capacitors and plug in (Hard Reset)

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

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Remove the device via Device Manager and reboot

Remove the device via Device Manager and reboot.

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

I need help

Possible causes

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  • Outdated Driver

Useful Windows tools

These commands open Windows tools. Review any action inside the tool before applying changes.

devmgmt.msc