Causes and solutions when you cannot log in on Windows 10, 11

This time, we will explain the causes and solutions when you cannot log in on Windows 10 or Windows 11.

If you are unable to log in to Windows on your PC, the solution will differ depending on whether you are using a Microsoft account or a local account.
I will explain how to deal with both cases, so I hope you find this helpful.

Causes of not being able to log in or sign in on Windows 10 and 11

If you are unable to log in on Windows 10 or Windows 11, the following may be the cause:

• If the keyboard is the cause
• In case of malfunction of fingerprint authentication or face authentication device
• If the cause is a Windows problem
• If you forgot your login or sign-in password

In this section, we will explain each of the above cases.

What to do if the keyboard is the problem

If you cannot log in or sign in on Windows 10 or Windows 11, the keyboard may be the cause.

In this case, trying a different keyboard or using an external keyboard may solve the problem.

Another option is to try using a software keyboard (on-screen keyboard).

A software keyboard is a keyboard that can be displayed and used on a PC screen.
On the sign-in screen, you can display the on-screen keyboard by selecting the round mark (Easy computer operations) displayed at the bottom right and selecting "On-screen keyboard."
You can enter characters by clicking the keys on the on-screen keyboard with the mouse.

Alternatively, try entering your password into a notepad, etc., and then copying and pasting the characters you entered to see if you can log in.

In case of malfunction of fingerprint authentication or face authentication device

If you are using fingerprint authentication or face authentication and cannot log in on Windows 10 or Windows 11, there may be a problem with those devices.

Try reconnecting the device, cleaning it, or replacing it with a different device to see if the problem is resolved.

If you are having trouble with Windows 10 or 11

If you are unable to log in to Windows 10 or Windows 11, there may be a problem with the OS.

In such a case,Perform automatic system repairOr, if that doesn't work,Initialize (recovery, factory default) Windows 10, 11Please refer to the following.

If you forgot your Windows 10, 11 login or sign-in password

If you can't log in to Windows 10 or Windows 11, it may be because you simply forgot your password.

In that case, you will need to reset your password, but the method is different for local accounts and Microsoft accounts.

If you have forgotten your password,Reset your passwordPlease refer to the following items.

What to do if you cannot log in or sign in on Windows 10 or 11

If you are unable to log in or sign in on Windows 10 or Windows 11, try the solutions below and the problem may be resolved.

• Restart your computer
• Perform automatic system repair
• Reset your password

Please note that the steps to reset your password are different for local accounts and Microsoft accounts, so we will explain them separately.

Restart your computer

If you are unable to log in to Windows 10 or Windows 11, restarting your computer may resolve the issue.

This is an easy method to use before trying other solutions.
If the problem persists after restarting, try other solutions.

Perform automatic system repair

If you are unable to log in to Windows 10 or Windows 11, running automatic system repair may resolve the issue.

To perform automatic system repair, press and hold the power button to force shutdown and restart twice.

Reset your password

If you have forgotten or lost your password, you may be able to resolve the issue by resetting it using the method below.

For local accounts, you will need to set the questions and answers for password reset yourself in advance.
If not, you can log in from a different administrator account and reset your password.

• How to reconfigure a local account
• How to reset your Microsoft account

How to reconfigure a local account

1. Select "Reset Password".
2. Answer the question you have set.
3. Reset your password.         

How to reset your Microsoft account

1. Select "Forgot your password?"
2. Enter the Microsoft account you are using.
3. Authenticate using your registered email address or app.
4. Enter the code you received.
5. Set a new password.

(Changing your Microsoft account password may affect not only Windows but also Microsoft Office.)

[Last resort] How to force reset Windows 10, 11 login and sign-in passwords

If you are unable to log in to Windows 10 or Windows 11, there is a way to forcefully reset your password.

In this case, your options are to use the application or initialize it.

• Use an app to unlock Windows 10 and Windows 11 passwords
• Initialize Windows 10, Windows 11

Use apps to unlock Windows 10 and 11 passwords

If you can't log in or sign in because you don't know your Windows 10 or Windows 11 password, there is a way to remove your password using an app.

There are several such apps, and we will introduce how to use them below.

Lazesoft Recover My Password

This is a software that allows you to reset passwords for local accounts.

[How to reset your password with Lazesoft Recover My Password]

1. Connect it to a PC that can use CD, DVD, USB, etc.
2. Free Windows Password Recovery – Lazesoft Recover My Password Home Edition Version 4.5
   Get more software.
3. Select and run "LSMediaBuilder.exe".
4. Select the version of Windows for which you want to reset your password from the dropdown.
5. Select Next.
6. Select the connected media.
7. Select Start.
8. When writing is complete, select "Finish".
9. Set the BIOS of the PC for which you want to reset the password to boot the media you created earlier.
10. Start your PC.
11. Select “Lazesoft Live CD [EMS Enabled]”.
12. Press the Enter key.
13. Select "Reset Windows Password" from the dropdown.
14. Select Next.
15. Select Yes when prompted.
16. Select the OS for which you want to reset your password.
17. Select a user.
18. Select Next.
19. Select “RESET/UNLOCK”.
20. Once the work is complete and finished, remove the media and start your PC again.

Trinity Rescue Kit

This is also a software that can reset passwords for local accounts.

[How to reset your password with Trinity Rescue Kit]

1. Trinity Rescue Kit: Download – TrinityhomeGet the iso file.
2. Connect the USB to your PC.
3. Open Explorer on your PC.
4. Select "PC".
5. Right-click on the USB.
6. Select Format.
7. For the allocation unit size, select "Standard allocation size".
8. The volume size is "TRK_3-4".
9. Select "Quick Format".
10. Select Start.
11. UNet bootinDownload.
12. Start UNetbootin.
13. Select "Disk Image".
14. "…"Choose.
15. Select "Download".
16. Select the iso file you obtained earlier.
17. Select Open.
18. Select "USB Drive" as the type and "E:\" as the drive.
19. Select OK.
20. Select Finish when finished.
21. Connect the created USB to the PC where you want to reset the password.
22. When the manufacturer logo is displayed when starting the PC, repeatedly press the BIOS startup key such as "F2" to start the BIOS.
23. Place USB at the top of the boot order.
24. Save settings and reboot.
25. Trinity Rescue Kit will start upon reboot.
26. Wait until the menu appears.
27. Select "Winpass with prompt for username first".
28. Press the Enter key.
29. Enter the username whose password you want to reset.
30. Press the Enter key.
31. Type 1 and press Enter.
32. Type "1" again and press the "Enter" key.
33. When "Press any key to continue" is displayed, press the "Enter" key.
34. Select Go back to main menu.
35. Press the Enter key.
36. Select "Power off computer".
37. Press the Enter key.
38. When the power turns off, remove the USB memory and restart.

Initialize (recovery, factory default) Windows 10, 11

If you are unable to log in to Windows 10 or Windows 11, the last resort is to initialize it.

Please remove the HDD or SSD and perform a backup before performing the steps below.

[How to initialize (recover) Windows 10 and Windows 11]

1. Force shut down by pressing and holding the power button and restart twice to perform automatic repair.
2. When you see "Your PC didn't start properly," select "Advanced options."
3. Select "Troubleshoot".
4. Select "Reset this PC".

What to do if you can't log in even though the password is correct on a Windows 10 or 11 PC

If you are unable to log in or sign in even though the password is correct on a Windows 10 or Windows 11 PC, the keyboard may be malfunctioning, the uppercase and lowercase letters are incorrect, or there is a space at the end. There is a possibility that the

Additionally, Windows has two login formats: a password entry method and a PIN code entry method, so it is possible that you are entering your password even though you are being asked to enter your PIN.
In such cases, you need to select the correct form of login from the sign-in options.

Another possibility is that the input language settings are incorrect.
In this case, please select the correct language from the "Language" displayed at the bottom right of the sign-in screen.

Summary of causes and solutions when you cannot log in on Windows 10 and 11

This time, we explained the causes and solutions when you cannot log in or sign in on Windows 10 or Windows 11.

In addition to forgetting your password, you may also be unable to log in due to incorrect input format, OS issues, etc.
If you have forgotten your password, you may be able to log in by resetting or resetting it, so please refer to the information explained above.

If the problem still persists, you can try resetting it, but I think it's best to try other methods first.
Also, be sure to back up your data before initializing.