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What is Bthmodem.sys & How to Fix Its BSoD Crashes

Restoring the driver to its previous configuration often works

5 min. read

Updated onMarch 29, 2024

updated onMarch 29, 2024

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Key notes

The bthmodem.sysblue screen erroroccurs when the bthmodem.sys driver file on your PC is missing or corrupt. This file is an extension of the Bluetooth Modem Device driver and is used to connect your computer to a Bluetooth device.

If this file becomes corrupt, it will causeWindows to crashand display the infamous BSoD error message. It may be accompanied by a code that identifies the problem driver causing the crash or not. Regardless of the situation, there are various ways to fix it.

What is the bthmodem.sys file?

The Bluetooth Modem Communications driver is also known as the bthmodem.sys file. It is a driver that allows your computer to communicate with your Bluetooth device.

When you connect a new device to your computer, Windows automatically installs the needed drivers. This can sometimes cause problems if you encounterdriver errors, especially if those drivers aren’t up to date or incompatible with the hardware you’re trying to use.

That’s where the bthmodem.sys BSoD error might occur. The bthmodem.sys BSoD error can be caused by a faulty driver, which can be a hardware or software-related issue. This BSoD is usually caused by improper installation of the device driver or an outdated version of it.

Other causes include:

How do I fix the bthmodem.sys BSoD error?

If you are experiencing this issue, then we recommend that you follow these steps:

1. Update your Bluetooth drivers

Consequently, you can use a driver updater utility, as Windows can sometimes match you with the wrong drivers. Outbyte Driver Updater will scan your system and automatically identify all outdated drivers.

The tool has a built-in database containing over 5000 drivers for different devices. If you don’t know what driver is missing or broken, you can use this program to scan all the installed devices on your PC and let it find out which one needs an update.

Outbyte Driver Updater

2. Run the DISM and SFC scans

A lot of users reported that the DISM scan was clean, but the SFC scan found errors, so be sure to run both. Consequently, you can opt for an intelligent automatic tool to do the repairs. Asystem repair softwarecan scan and repair corrupted files and will find any issues that may be causing problems with your PC’s performance or stability.

3. Run a virus scan

With the built-in Windows Security feature, it may not always catch wind of all viruses and malware. You’ll need a comprehensive suite of security software.

ESET NOD32 Antivirusprovides the best protection for your PC against all types of malware, including viruses, spyware, and other malicious programs. The program includes real-time scanning and proactive protection against new threats.

4. Restore the default configuration of the driver

The restore default configuration of the driver option restores the default settings for all of the parameters used by the driver. This option is an alternative forrolling back previous driver versions, but the option is unavailable in Device Manager.

5. Perform a System Restore

Remember that a System Restore only works if you hadcreated a restore pointprior.

That brings us to a close on the bthmodem.sys BSoD error. Hopefully, one of the solutions above has helped resolve this issue.

You may also encounter another BSoD-related error dubbed thebthad2p.syserror, so don’t hesitate to check out our expert article on how to fix it.

Leave a comment below, letting us know which method worked for you.

What is Bthmodem.sys & How to Fix Its BSoD Crashes#

What is the bthmodem.sys file?#

How do I fix the bthmodem.sys BSoD error?#

1. Update your Bluetooth drivers#

Outbyte Driver Updater#

2. Run the DISM and SFC scans#

3. Run a virus scan#

4. Restore the default configuration of the driver#

5. Perform a System Restore#