As improvements are introduced into Windows from time to time, the operating system is prone to bugs. The errors can appear due to a recent update, corrupted system files and mods, but BSOD is like a death nail for your Windows. No one expects a blue screen error and therefore coming across one can be really alarming. One such blue screen error is the asmtxhci.sys BSOD error, which indicates that either some important updates are missing or the system hardware is not working as expected.
The asmtxhci.sys BSOD error on your Windows 10 PC mainly occurs due to outdated or faulty drivers related to the Asmtxhci.sys controller. The Asmtxhci.sys controller supports the USB 3.x ports typically found in ASUS machines or other machines with ASUS motherboard. The BSOD error usually occurs immediately after installing a Windows update or a specific app.
Fortunately, there are several ways to fix this problem. Let's see how.
*Note - Before proceeding with the methods below, you must first verify that you can log into Windows and reach the desktop. If you can't sign in, follow these steps to start your PC in safe mode:
Step 1: Press your computer's Power button to turn it on. Once you see the Windows logo, turn off your PC by pressing the Power button for 4 seconds.
Do this process two more times and you will be taken to the Prepare for Automatic Repair screen .
Step 2: Your computer will now start diagnosing your system and it will take a while so wait for it to be over.
Step 3: You will now see the Automatic Repair screen .
Press the Advanced options button at the bottom .
Step 4: Then click Troubleshoot on the Choose an option screen .
Step 5: Now on the Troubleshoot screen, select Advanced Options .
Step 6: You will now get to the Advanced Options screen .
Click on Startup Settings here .
Step 7: You will then get to the Startup Settings screen .
Click Reboot at the bottom .
Step 8: After your computer restarts, you will see the Startup Settings screen again , this time with numbered options.
Press the F4 key to enable Safe Mode (as shown in the fourth option).
Your computer will now start in Safe Mode.
You can now proceed with the following methods to fix the BSOD problem.
Method 1: Run Blue Screen Online Troubleshooter
Before proceeding to any of the next methods, you must first try running the official Microsoft Blue Screen Troubleshooter that will help you fix most of the Blue Screen of Death errors that you may encounter on your Windows 10 PC.
It comes with a fairly simple fix that asks you a few questions as follows:
When did the error occur?
- After an update has been installed
- When using my device
Based on the options you select, it will guide you through the troubleshooting process for the BSOD error. For example, if you select After an update is installed , you'll be prompted to check for pending Windows updates or uninstall recently installed hardware.
If you select the other option , While using my device , you'll be presented with some useful prompts once you've managed to reach the desktop. However, if you can't reach the desktop, he still offers you some useful tips on how to do it.
This is a basic method and sometimes it should help you get rid of BSOD errors.
Method 2: Update drivers manually
If you are using the wrong ASMedia USB then there is a high chance that you will see the asmtxhci.sys BSOD error . In such a situation, you should update the driver to the latest version and check if that solves the problem. While you can use a trusted third-party software to update the drivers automatically, you can also update the drivers manually as shown below:
Step 1: Right-click Start and select Run to launch the Run command .
Step 2: In the search box , type devmgmt.msc and press OK to bring up the Device Manager window.
Step 3: In the Device Manager window, go to Universal Serial Bus Controllers and expand the section.
Now right-click on the ASMedia USB 3.0 eXtensible Host Controller device and select Update driver .
Step 4: In the Update Driver window, click Search automatically for updated driver software .
Step 5: Now Windows will search for the latest driver updates and will automatically update the driver to the latest version if it finds it.
Once complete, close the Device Manager window and restart your PC.
Your computer should restart normally without the BSOD error.
Method 3: Rollback Driver
Often, you can encounter the asmtxhci.sys BSOD error because you recently installed drivers that caused the BSOD error. In such a case, you should roll back the driver to the previous version and keep doing it until the manufacturer fixes the problem.
Step 1: Press Win + X keys simultaneously on your keyboard and select Device Manager .
Step 2: In the Device Manager window, click on the Universal Serial Bus Controllers section .
Now right click on ASMedia USB 3.0 eXtensible Host Controller and click Properties .
Step 3: In the ASMedia USB 3.0 eXtensible Host Controller Properties dialog box , select the Driver tab and press the Scroll . Back Driver button.
Press OK to accept the changes and exit.
Exit the Device Manager window and restart your PC. The blue screen error should no longer appear.
Method 4: Uninstall and reinstall ASMedia USB ControllerSom
Sometimes a full uninstall of the driver and then reinstalling it can fix the problem. That's how it's done:
Step 1: Right click on Start menu and select Device Manager to open Device Manager window .
Step 2: In Device Manager window, go to Universal Serial Bus Controller option and click to expand it.
Now right click on the ASMedia USB driver and select Uninstall device .
Step 3: Wait for the device driver to be uninstalled.
Now restart your PC and open Device Manager again as shown in step 1 .
Step 4: In the Device Manager window, go to the Action tab at the top and select Scan for hardware changes. off .
Step 5: Windows will now search for the ASMedia USB driver and reinstall it on your PC.
You can now go back and check if the asmtxhci.sys BSOD error is resolved.
Method 5: Disable ASMedia XHCI
You can even disable the ASMedia USB driver and the BSOD error should be resolved. To disable the driver:
Step 1: Press Win + R key combination to open Run Command window .
Step 2: In the Run Command window , type devmgmt.msc and press Enter to get the . to open Device Manager window.
Step 3: In the Device Manager window, navigate to the Universal Serial Bus Controllers and expand the section.
Now select the ASMedia USB 3.0 eXtensible Host Controller driver, right click on it and select Disable device .
You can now restart your PC and the asmtxhci.sys BSOD error should no longer appear.
However, remember that disabling the ASMedia USB driver will make the USB3 device not work now.
Alternatively, you can visit the laptop manufacturer's website and download and install the latest drivers. For desktops, you will need to visit the motherboard manufacturer's website and download and then install the latest drivers. This is because for desktops, the controllers are available on the motherboard. Before downloading and installing drivers from the manufacturer's website, first check the driver version of the current driver in Device Manager and based on that, download the latest driver version from the . Download and install from manufacturer website.
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