Too Many Pin Entry Attempts Bitlocker Error In Windows 11 10

The BitLocker Drive Encryption is a full disk encryption feature included with Windows operating systems designed to protect data by providing encryption for entire volumes. By default, it uses the AES encryption algorithm in CBC mode with a 128-bit key, combined with the Elephant diffuser for additional disk encryption specific security not provided by AES.

Too many PIN entry attempts – BitLocker error

You experience this issue after you enter a BitLocker PIN at Windows startup on a new computer that is running an OEM version of Windows 11/10, and you receive the following error message:

Input the BitLocker recovery key.Wait until the unlock period expires, and then enter the correct PIN.Reinstall the operating system, and then reset the TPM chip.Contact the OEM for support.Unlock the drive or turn off BitLocker. To do this, follow these steps:At the BitLocker entry screen, press ESC to access other recovery options.Select the command prompt option.Enter Manage-bde to either unlock the system drive or turn off BitLocker. To do this, enter the appropriate command, and then press Enter:

Unlock the system drive

Turn off BitLocker

You can also try the following steps below and see if it helps.

Reboot the device, entering the Recovery Key (which you must have) to boot Windows.Log in to Windows as an administratorSuspend BitLocker using the command below:

The reboot count option prevents BitLocker from being re-enabled on reboot.

Now, press Windows key + R. In the Run dialog box, type tpm.msc hit Enter.Once the TPM wizard is launched, proceed to clear the TPM Chip.Restart the computer as instructed.

Next, approve the TPM Reset action – the notification is provided by the BIOS/UEFI.Log in to Windows as an administrator, and the following prompt will appear informing you of the TPM reset:

Finally, resume BitLocker protection by running the command below:

And that’s it! Hope this helps.