How to fix ATTEMPTED SWITCH FROM DPC BSOD error in Windows 10

Many users reported the occurrence of ATTEMPTED SWITCH FROM DPC BSOD error while booting their Windows. This BSOD error is generally triggered by a routine called DPC (Delayed Procedure Call) trying to perform an illegal operation. Main reasons behind this error are faulty memory, corrupted system drivers, incompatible software, conflicting hardware, virus attack, etc.

How to boot into safe mode in Windows

Most of the time, when you receive a Blue Screen of Death error, you are forced to restart the computer. Upon reboot, you may see the same error message again and be prompted to reboot again. In such cases, you are left with no choice but to boot into your Windows in Safe Mode. If you get stuck, please follow the steps below to safely boot into your Windows.

1. Shut down your PC completely. Now press the power button to turn it on. Once you see the manufacturer's logo on the screen, press and hold the power button for 4 seconds to turn your PC back off. Repeat this process until you see the "Preparing automatic repair" screen instead of the manufacturer's logo screen.

2. After the Prepare for Automatic Repair screen and diagnose your PC , the Automatic Repair screen will appear. Click the Advanced Options button .

3. On the Choose an option screen, click the Troubleshoot option as follows .

4. Next, click on Advanced Options option  .

5. Now in the advanced options windows, you need to click on the Startup Settings tab .

6. Next, click on the Restart button in the lower right corner of the window.

7. Finally, to boot into Windows in safe mode, press either number key 4 or number key 5 depending on your choice .

The system will now reboot and Windows will start in Safe Mode. You can now try the below-given methods one by one to fix ATTEMPTED SWITCH FROM DPC BSOD issue.

Method 1: Scan memory with Windows memory diagnostic tool

Faulty system memory modules can always cause BSOD errors. ATTEMPTED SWITCH FROM DPC BSOD error is definitely not an exception. Please follow the steps below to run the Windows Memory Diagnostic tool to check for system memory issues.

1. In the Windows Start menu search bar, type memory diagnostics . In the results, click Windows Memory Diagnostics  .

2. When the Windows Memory Diagnostic window opens, click the Restart now and check for problems (recommended) option . This will restart your computer.

Once the system reboots, it will scan for memory module issues. When the process is complete and errors are found, you can view the error report and take appropriate action.

3. If for some reason you were unable to view the memory diagnostics results, you can view them manually from the Windows Event Viewer.

Press the WIN+R keys simultaneously and type  straight . eintvwr in the Run  dialog box  to launch the Windows Event Viewer.

4. Navigate to  Windows Logs > System path . In the Actions window, click  the Filter Current Log option .

5. Click the  Filters tab . Next, check the MemoryDiagnostics-Results box from the Event Sources drop-down menu . Click the OK button for the filter to list all memory diagnostic logs.

6. Click on the latest event log result from the filtered results and check if the diagnostics passed or failed. If it was an error, please follow the suggested actions in the diagnostic results description to fix the memory issues.

For more information on troubleshooting with Windows Event Viewer, see our article How to use Event Viewer for troubleshooting in Windows 10.

Method 2: Update system drivers

Corrupted or corrupted system drivers are often the cause of the ATTEMPTED SWITCH FROM DPC BSOD error. Therefore, it is very important to constantly keep the system drivers installed on your computer up to date.

1. Press WIN + R keys together to open the Run dialog box . Type devmgmt.msc and press Enter .

2. Expand the section of drivers you want to update. Here in this example, I'm updating the graphics card driver, so I've expanded the Graphics Cards section.

Once the driver section is expanded, right-click on your driver and then click on the Update driver option .

3. Next, click on the Search automatically for updated driver software option as shown in the screenshot below.

Windows will now search for suitable driver updates and install them if new updates are found. Repeat these steps for all important drivers to update them to the latest version.

When you are done, restart your computer and check if your BSOD problem is solved or not.

Method 3: Updated the Windows operating system

It is very important to update your windows from time to time to keep your system healthy. To fix ATTEMPTED SWITCH FROM DPC BSOD issue, please try to update your Windows with following steps:

1. Call the Windows app Settings by pressing the WIN + I keys at the same time. Click the Update & security tab .

2. Click Windows Update option in the left pane and click Check for updates button in the right pane .

3. Windows will now check for new available updates. If new updates are found, they will be downloaded and installed.

4. If new updates have been downloaded, the Restart now button will be active. Click on it to restart your computer and allow the changes to take effect.

After restarting the system, check if the ATTEMPTED SWITCH FROM DPC BSOD issue is resolved or not.

Method 4: Run a full scan with Windows Defender/3rd party antivirus software

You can run a system-wide full antivirus scan to rule out the possibility of a malicious attack that is the reason behind the ATTEMPTED SWITCH FROM DPC BSOD error you are facing. This method performs a full scan using Windows Defender, but you can use any good antivirus software that is installed on your computer for this purpose.

1. Call the Windows app Settings by pressing the WIN + I keys at the same time. Click on the Update & security option .

2. Click Windows Security  in  the  left pane and click Virus & Threat Protection  in the  right pane .

3. In the Virus & threat protection section, click the Scan options link .

4. Click the radio button associated with the Full Scan option and then click the Scan Now button .

5. Windows Defender will now search for malicious files on your computer and suggest possible solutions if such files are found. In this case, follow the on-screen instructions to fix the malicious files .

Restart your PC once the scan is complete and check if the BSOD error is resolved.

Method 5: Run System File Checker scan

Corrupt registry files can be the reason behind the ATTEMPTED SWITCH FROM DPC BSOD error. System File Checker (SFC) is a powerful utility that helps you find and repair the corrupted system files on your computer.

1. Type cmd in the Windows Start menu search bar . Right- click Command Prompt and click Run as administrator option .

2. Now type the following command in Command Prompt and press Enter.

sfc /scannow

Restart your computer once the scan is complete. Check if the problem is resolved.

Method 6: Run CHKDSK command utility

ATTEMPTED SWITCH FROM DPC BSOD error can also be caused by hard disk drive issues. If there are bad sectors on your hard drive, running CHKDSK utility can find and fix them.

1.  Type cmd  in the  Windows start menu search  . Right-click  on  Command Prompt and then on Run as administrator option .

2. Next  , type chkdsk C: /f /r /x  and then press  Enter  .

chkdsk C: /f /r /x

Parameter:

• C: drive for scanning. Replace C : with D : if you are scanning D drive instead of C drive
• /f This parameter attempts to fix any errors found
• /r This parameter scans for bad sectors and recovers all readable information
• /x This parameter disconnects the volume that you want to scan before the scan starts

When you get the prompt  Do you want to schedule this volume to be scanned the next time the system restarts? (Y/N) , press Y  and  then press  Enter as shown in the screenshot below:

On your next system reboot, your drive will be scanned and any errors found will be fixed. Repeat this process for all drives present in your machine. Check if your BSOD problem is fixed or not.

Method 7: Perform System Restore

You can try this method only if the system restore feature is already enabled on your computer. If it's already activated. then you can restore the system settings to a version for which a system restore point was created before the ATTEMPTED SWITCH FROM DPC BSOD error first occurred.

1. Open the Control Panel  from the  Windows Start menu search bar . When it opens, use the control panel's Search button to launch the Restore  Settings.

2. Click the Open System Restore link .

3. Click the Next button when the System Restore window opens.

4. Next, check the Show more restore points box first .

Now select a restore point before the ATTEMPTED SWITCH FROM DPC BSOD error occurred the first time . Then click the Next button .

5. Click the Finish button to start the system restore process. If you want to change the restore point, you can click the Back button and choose another system restore point.

Once the process is complete, restart your computer and check if the problem is resolved or not.

Method 8: Reset your Windows operating system

As a last resort, you can try resetting your windows. Make sure you make this your last option as it will erase all files from your system partition. Also, it is recommended to back up the data before proceeding with the system reset.

1. Hold down the SHIFT key and click on the Reboot option . This will open the startup repair options.

2. In the Choose an option window, click the Troubleshooting tab .

3. Click on the Reset this PC option .

4. Next click on Remove everything option .

5. Then click on Only the drive where Windows is installed . After that, select Just remove my files and then click on the Reset button . After that, follow the on-screen instructions to complete the reset process.

Hope one of the above methods fixed ATTEMPTED SWITCH FROM DPC BSOD issue for you.