How to Fix Windows Stuck on "Diagnosing Your PC" - 10 Methods?

Updated by

Tracy King 

Written by

Cici 

Updated on April 19, 2024

We have all, at least once, encountered a frustrating scenario where our system gets stuck on the "Diagnosing Your PC" screen during startup. Rather than being able to log in to the desktop, you find yourself endlessly staring at the diagnostic loading screen. The duration of this diagnostic process varies based on your system's specifications and the severity of the issue at hand. It could take a few minutes, or in more severe cases, 1-2 hours, before your system resumes normal operation.

Several factors can contribute to this situation, including corrupt system files, registries, or updates. But there's no problem in this world without a solution. Read this guide carefully to learn how to resolve the Diagnosing Your PC issue.

How to Fix Windows Stuck on 'Diagnosing Your PC'

We will provide every possible fix that may work on your device, depending on the specific cause. Pay attention to all these remedies and try them individually to determine which one suits your situation best:

Here are the translations of the given languages into English:
1. 1. Hard Restart Windows PC
2. 2. Use the Windows Boot Repair Tool
3. 3. Run Windows Startup Repair
4. 4. Boot in Safe Mode and Free Up Space
5. 5. Run SFC and DISM
6. ...

For more efficient methods and step-by-step instructions, proceed to read the following content. If you find this guide helpful in resolving the boot error, please share it with others in need by clicking the social media buttons.

1. Hard Restart Windows PC

Sometimes, all you have to do is perform a hard reset on your Windows, and it will automatically take you to the Diagnosing Your PC screen. Here are a few reasons why this solution might work:

These lines translated into English are:
• A hard restart might resolve temporary malfunctions or issues that are preventing the system from booting correctly.
• It can also eliminate problematic drivers, enabling Windows to start without any obstacles.

You can perform a hard reset on your PC by following these steps:

Step 1. The first action is to unplug all the power cables or remove the battery in the case of a laptop. Once done, wait for a while to let any temporary cache clear.

Step 2. Next, reinsert the cables in your system or reinstall the battery in the laptop. Press and hold the "Power" button until your PC turns on.

Click on the "Power button" icon.

2. Use the Windows Boot Repair Tool

If your PC doesn't start up normally and still gets stuck on the Diagnosing Your PC screen, there's a powerful solution. You can swiftly resolve this issue using the Partition Master Professional tools. By leveraging its Boot Repair feature, you can create a Bootable USB and fix your troubled Windows system.

This utility scans for missing or damaged system files necessary for booting Windows. It then replaces or repairs these files to ensure the operating system starts correctly. Additionally, it can address even issues related to the Windows registry through this tool. Altogether, you can find a broad range of solutions covered with this single, comprehensive tool.

Step 1. Launch tools Partition Master after connecting the external drive/USB to your computer. Go to "Bootable Media" and click "Create Bootable Media."

Step 2. Choose an available USB drive or CD/DVD and click "Create." You can also burn the Windows ISO file to the storage media.

Step 3. Connect the created bootable drive to the new computer and restart it by pressing and holding F2 or Del to enter the BIOS. Next, set the WinPE bootable drive as the boot disk and press F10 to exit.

Step 4. Restart your computer and enter the WinPE interface. Next, open the Partition Master tool and click on "Boot Repair" under the "Toolkit" option.

Step 5: Select the system you want to repair and click "Repair."

Click on "Repair".

Step 6. Wait a moment, and you will receive an alert that the system has been successfully repaired. Click "OK" to complete the boot repair process.

The Boot Repair feature of this tool has been effective for numerous Windows startup-related issues. Follow this straightforward guide to utilize the Boot Repair function.

3. Run Windows Startup Repair

Another alternative solution to fix this issue is to run the Windows Startup Repair feature. This can be beneficial in this scenario for the following reasons:

Here are the translations for the given languages into English: 1.
• Startup Repair can detect and repair disk errors that contribute to the startup problem.
2.
• Registry errors can also cause this issue and may be resolved through this solution.

Follow these steps to perform a successful Startup Repair operation:

Step 1. Start by inserting the Windows installation disc into your PC and restarting it. Press any function key to boot Windows from the media.

Step 2. After going through the general preferences, you'll arrive at the "Install now" screen. Click on the "Repair your computer" option to proceed to the "Choose an option" window.

Repair your computer

Step 3. Go to "Troubleshoot," then click "Advanced Options." Finally, choose the "Startup Repair" option. It will take some time to repair your PC automatically.

4. Reconstruct the BCD

Boot Configuration Data is a vital database comprising the necessary boot parameters and settings required for Windows to start smoothly. If corrupted, Windows may fail to boot and become stuck on the 'Diagnosing Your PC' screen. In such cases, rebuilding the BCD is an effective solution. To achieve this, Partition Master provides a distinctive feature called 'Rebuild MBR.'

MBR, or Master Boot Record, is the first sector of the computer's hard drive. It contains information about how the PC is partitioned and how to load its operating system. Thus, by using the Rebuild MBR feature of this tool, you can easily resolve issues with a corrupted boot sector.

Step 1. Create a WinPE bootable disk

Translate the following text into English: < li > Launch AOMEI Partition Assistant, and click "Bootable Media" on the toolbar. Select "Create Bootable Media". < /li > < li > Click "Next" to complete the process. < /li >

Step 2. Boot the Partition Master Bootable USB

Insert the bootable USB or CD/DVD into your PC. When you restart your computer, press F2 or Del to access the BIOS screen. Set your computer to boot from "Removable Devices" or "CD-ROM Drive". Then, Partition Master will launch automatically.

Step 3. Rebuild MBR

Click "Toolkit" and choose "Rebuild MBR".

Rebuild MBR

Select the disk and the type of MBR, and then click "Rebuild".

Then you can see the message "MBR has been successfully rebuilt on Disk X".

5. Boot in Safe Mode and Free Up Space

Safe Mode starts Windows with a minimum set of drivers and startup programs. It might work because:

These sentences translated into English are:
• It enables you to run anti-malware scans to identify and eliminate any malicious software that may be causing the issue.
• Conducting a disk cleanup in Safe Mode can free up space by deleting temporary files, cached data, and other unneeded items.

Follow these steps to boot your Windows in Safe Mode and resolve the "Diagnosing Your PC" issue:

Step 1. Turn on your device and repeatedly press the "F8" key to access the "Choose an option" screen. Once there, select the "Troubleshoot" option and proceed to "Advanced options."

Step 2. Next, select the "Startup Settings" option and enable Safe Mode by clicking the "Restart" button and then pressing "F4." Upon doing this, Windows will start in Safe Mode.

Step 3. Next, open Disk Cleanup and free up space:

1. Press "Win + R" to open the "Run" window, then type the command "cleanmgr" and press Enter. 2. Select the Windows drive and click "OK." 3. Lastly, check the files you wish to clean up and click the "OK" button.

Run Disk Cleanup

After this, you can restart your system in Normal Mode.

6. Run SFC and DISM

SFC (System File Checker) and DISM (Deployment Imaging Servicing and Management) are command-line utilities that can scan for system file errors and repair the Windows installation. If crucial system files necessary for booting become corrupted, it can result in startup problems.

Additionally, DISM focuses on repairing the Windows Component Store, which can cause boot issues if corrupted. Therefore, you can exit the 'Diagnosing Your PC' screen by running SFC and DISM using this method:

Step 1. After accessing the "Advanced options" menu, as mentioned above, go to "Command Prompt." Type the "sfc /scannow" command and press "Enter."

Run SFC

Step 2. Now, run the "Dism /Online /Cleanup-Image /CheckHealth" command, press Enter, then "Dism /Online /Cleanup-Image /ScanHealth", press Enter again, and finally, type the "Dism /Online /Cleanup-Image /RestoreHealth" command and hit "Enter."

Run DISM

Now you're all set after the restart.

7. Utilize System Restore Points

Windows includes a feature that allows users to create Restore Points to revert to a previous working state if necessary. Utilizing System Restore Points may be helpful in this situation for the following reasons:

Here are the translations for the given text: 1. You may have installed problematic software or made a significant alteration that caused this issue. Therefore, restoring the system to a previous point can resolve it. 2. Even corrupted Windows updates can contribute to this problem, and it can be fixed by using Restore Points.

To use this solution for fixing the "Diagnosing Your PC" screen issue, follow this step-by-step guide:

Step 1. Once you reach the "Advanced options" menu, click the "System Restore" option. Then, hit "Next" and check the "Show more restore points" box.

Step 2. After selecting a restore point, click "Next" and then "Finish."

Click Finish.

Restart the device to function properly.

8. Uninstall Recent Updates

This method involves having your Windows system roll back the recently installed updates and revert to the previous stable update version. The reason this works is because:

Here are the translations for the provided text: 1. Updates may occasionally introduce compatibility issues with specific configurations, preventing Windows from booting correctly. 2. In some instances, updates may not install properly, leading to system instability. In such cases, you can simply uninstall those updates.

Here are the steps outlined below to uninstall recent updates:

Instructions. Go to the "Advanced options" screen and choose the "Uninstall Updates" option. Next, select "Uninstall latest quality update/Uninstall latest feature update," and then restart your PC to revert it to a working state.

Uninstall the latest

9. Disable Automatic Repair

Auto Repair is a feature in Windows that diagnoses issues with your PC and enables repair mode. This repair mode allows your system to proceed with diagnostic checks. Therefore, disabling it might help you bypass the stuck screen problem.

To disable the Auto Repair feature in your Windows, follow these steps:

Step 1. From the "Advanced options" screen, select the "Startup Settings" option and click the "Restart" button. Once your computer restarts, press the "F4" key to enable Safe Mode.

Step 2. After restarting, press "Win + R" to open the "Run" menu. Then, type "cmd" and press "Enter" to access the Command Prompt. Input the command "bcdedit /set recoveryenabled NO" and press "Enter" to disable it successfully.

Disable Auto Repair

10. Recover Windows Registry

The Windows Registry is a database comprising configuration settings and options for the operating system and installed applications. Corruption in the registry due to software conflicts or malware can lead to severe boot issues.

Thus, restoring the registry can return it to a healthy state and resolve the Diagnosing Your PC screen issue.

Step 1. From the "Troubleshoot" menu, access the "Advanced options" and select "Command Prompt." Type the command "copy c:\windows\system32\config\RegBack* c:\windows\system32\config" and press "Enter."

Step 2. A prompt will appear asking about the type of data restore. Type "All" and press "Enter." Following that process, restart your system and check if the issue has been resolved.

11. Reinstall Windows

If you've attempted all the above solutions and the "Diagnosing Your PC" screen is still stuck, there's one final option remaining. You can reinstall the entire Windows operating system to resolve the issue. This will create a new, error-free registry that won't require diagnosis.

Additionally, it will install all new system files and drivers without any glitches or corruption. If you need to reinstall Windows, simply follow this link and install it using the step-by-step guide.

How to Install Windows 10 Without Product Key | Full Guide

You can install Windows 10 without a product key by downloading the Windows 10 ISO from Microsoft. This page provides a comprehensive guide on how to do it.

Why Does Windows 10/11 Get Stuck on 'Diagnosing Your PC'

We've compiled all the solutions that may address your issue with being stuck on the "Diagnosing Your PC" screen. Now, let's delve into the possible reasons behind this problem. Here's a typical scenario:

The Auto Repair tool typically addresses startup problems, but occasionally, temporary errors may occur. Your Windows system might encounter corrupted BCD (Boot Configuration Data) files or incorrectly installed updates. Insufficient disk space can also contribute to this issue.

Therefore, all these issues contribute to bring up the booting problem. Follow this page to fix the error easily and quickly.

Final Words

In conclusion, your PC might occasionally encounter startup issues due to various reasons we've discussed. These issues could result in the screen being stuck on the "Diagnosing Your PC" screen. We have elaborated on how to resolve this problem effectively with multiple practical solutions.

However, in all honesty, Partition Master is your ultimate companion for dealing with such situations and more. The Boot Repair feature of this tool enables you to fix almost any boot-related issue. Apart from this, you can explore additional functionalities of the tool; give it a try.

Frequently Asked Questions About Diagnosing Your PC in Windows

However, if you're still unclear about the "Windows 10/11 stuck on diagnosing Your PC" issue, consult this guide for frequently asked questions and their respective answers.

< strong > 1. How much time does it take to diagnose your PC? < /strong>

The time may vary depending on the complexity of the situation and the specifications of the device. It can take anywhere from a few minutes to over an hour on average.

< strong >2. What to do when your PC is diagnosed?< /strong >

Be patient as this process may take some time. If it gets stuck, try the fixes mentioned above. For the best approach, use the Partition Master tool to repair the boot.

3. Why is my computer showing "Diagnosing your PC"?

This screen may appear on your PC due to damaged essential system files or corrupted drivers. Faulty registry files or malware can also be the underlying cause. In extreme cases, faulty hardware might contribute to this issue as well.