What is the bcmwl63a.sys? How to fix the bcmlw63a.sys blue screen of death? This post from MiniTool will show you the solutions to fix this bcmwl63a.sys Windows 10. In addition, you can visit MiniTool to find more Windows BSOD solutions and tips.

What Is the Bcmwl63a.sys?

Some users complain that they come across the system thread exception not handled bcmwl63a.sys error when booting the computer. This error is one of the Blue Screen of Death errors.

The bcmwl63a.sys blue screen of death error may be caused by the incompatibility issue and the incorrect installation of wireless drivers on your computer. When encountering this problem, it will prevent your computer from entering the operating system successfully.

So, in the following section, we will show how to solve the bcmwl63a.sys failed error.

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How to Fix Bcmwl63a.sys BSOD Windows 10?

In this part, we will show you how to fix the error bcmwl63a.sys blue screen of death.

When coming across the error bcmwl63a.sys Windows 10, you can choose to restart your computer. Usually, restarting the computer enables you to enter the operating system successfully and then take the following measures. If not, you can enter your computer into Safe Mode and take measures.

After that, follow the below methods to fix system thread exception not handled bcmwl63a.sys error.

Way 1. Update Driver

In order to fix the bcmwl63a.sys blue screen of death, you can choose to update driver.

Now, here is the tutorial.

1. Press Windows key and R key together to open Run dialog.

2. Then type devmgmt.msc in the box and click OK to continue.

3. In the Device Manager window, expand the Network Adapter and select the driver. Then right-click it to choose Update Driver.

choose Update driver

4. Then choose Search automatically for update driver software.

5. Next, follow the on-screen wizard to continue.

When it is finished, reboot your computer and check whether the error bcmwl63a.sys failed is solved.

If this solution is not effective, try another one.

Way 2. Roll Back the Driver

If you come across the error bcmwl63a.sys blue screen of death after updating the driver, it may be because that the newly updated driver is not compatible with your computer. So, in order to fix this bcmwl63.sys failed error, you can choose to roll back the driver.

Now, here is the tutorial.

  1. Open Device Manager.
  2. In the Device Manager window, select the newly updated driver and right-click it.
  3. Then choose Properties.
  4. Then navigate to Driver tab, and then choose Roll Back Driver to continue.
  5. Then you can follow the wizard to continue.

After all steps are finished, reboot your computer and check whether the issue of bcmwl63a.sys blue screen of death is solved.

Way 3. Run Memory Diagnosis

In order to solve the system thread exception not handled bcmwl63a.sys error, you can run Memory Diagnosis tool to check and fix any detected logical memory problems. 

Now, here is the tutorial.

  1. Press Windows key and R key together to open Run dialog.
  2. Then type mdsched.exe in the box and click OK to continue.
  3. In the pop-up window, choose Restart now and check for problems (recommended).

choose Restart now and check for problems

When the process is finished, reboot your computer and check whether the bcmwl63a.sys failed is solved.

Way 4. Run System File Checker

If there are corrupted system files on your computer, you may encounter the error bcmwl63a.sys blue screen of death. Therefore, in order to fix this problem, you can run System File Checker to scan and repair the corrupt system files on your computer.

Now, here is the tutorial.

  1. Open Command Prompt as administrator.
  2. In the pop-up window, type the command sfc /scannow and hit Enter to continue.
  3. Then System File Checker will begin to scan your computer and repair the corrupt system files. Please do not close the command line window until you see the message verification 100% complete.

type the command

When the process is finished, reboot your computer and check whether the bcmwl63a.sys Windows 10 is solved.

If none of the above methods fix the bcmwl63a.sys failed error, you can choose to reinstall the operating system. Reinstalling the operating system is able to fix all system-related problems.

Final Words

To sum up, this post has introduced 4 ways to fix the bcmwl63.sys blue screen of death error. If you have come across the same issue, you can try these ways. If you have any better ideas to fix this problem, you can share it in the comment zone.

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