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You could check the Local Group Policy if the following is enabled:<br />
Computer Configuration\Administrati<wbr />ve Templates\Windows Components\BitLocker Drive Encryption\Operating System Drives<br />
Setting: Enable use of BitLocker authentication requiring preboot keyboard has to be enabled In Group Policy<br />
Enable it, then open up a command prompt and run a gpupdate /force
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kenfcamp

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Is this while trying to encrypt with BitLocker, or the drive is already encrypted and you get this startup error?<br />
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If you are trying to encrypt, I would suggest that you make sure BIOS is up to date. Win 10 BitLocker works best with the latest and greatest TPM version and support in BIOS. <br />
<br />
Regards
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<blockquote>
Win 10 BitLocker works best with the latest and greatest TPM version
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<br />
Though that's not always the case. <a href="https://www.experts-exchange.com/questions/29123695/The-BitLocker-in-Windows-10-keeps-giving-me-an-error-with-a-message.html?utm_source=experts-exchange&utm_medium=email&utm_campaign=followed_topics" rel="ugc">https://www.experts-exchange.com/questions/29123695/The-BitLocker-in-Windows-10-keeps-giving-me-an-error-with-a-message.html?utm_source=experts-exchange&utm_medium=email&utm_campaign=followed_topics</a><br />
&nbsp;- (Second to last post) Sometimes downgrading TPM can resolve the issue <br />
<br />
But I wouldn't worry about TPM until after you tried the suggestions made by ITguy565.
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@kenfcamp - good to know, however your link seems to point back to this question so we don't have a reference to the downgrade TPM post. <br />
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My experience with Dell Optiplex has been to ensure BIOS is up to date, but it seems your mileage may vary. Would still like to know from the author if this error was during startup of an already encrypted drive, or during the attempt to encrypt the drive. <br />
<br />
Regards
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Information Specialist

COW IT

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Got it, thanks for the info Ken. &nbsp;Seems that indeed TPM 2.0 could be the culprit in this case.
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I need help with drive encryption. The BitLocker in Windows 10 keeps giving me an error with a message &quot;The startup options on this PC are configured incorrectly. Contact your system administrator for more information&quot;.
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I need help with drive encryption. The BitLocker in Windows 10 keeps giving me an error with a message "The startup options on this PC are configured incorrectly. Contact your system administrator for more information".

The BitLocker in Windows 10 keeps giving me an error with a message

Encryption is the process of encoding messages or information in such a way that only authorized parties can read it. In an encryption scheme, the intended communication information or message, referred to as plaintext, is encrypted using an encryption algorithm, generating ciphertext that can only be read if decrypted. For technical reasons, an encryption scheme usually uses a pseudo-random encryption key generated by an algorithm. An authorized recipient can easily decrypt the message with the key provided by the originator to recipients, but not to unauthorized interceptors.

Encryption

Windows 10 is a personal computer operating system featuring the "universal application architecture" (UAP); apps can be designed to run across multiple devices with nearly identical code, including PCs, tablets, smartphones, embedded systems, Xbox One, Surface Hub and HoloLens. Windows 10 also includes a virtual desktop system, a window and desktop management feature called Task View, the Microsoft Edge web browser, support for fingerprint and face recognition login, voice-based search (Cortana), new security features for enterprise environments, and DirectX 12 and WDDM 2.0 to improve the operating system's graphics capabilities for games.

Windows 10

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.