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Added important note for issue #4836

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Jose Ortega
2019-09-10 01:47:51 -05:00
parent 8fe8738405
commit 5ab29360b2
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windows/security/information-protection/bitlocker/bitlocker-overview.md
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@ -60,6 +60,9 @@ A computer with a TPM must also have a Trusted Computing Group (TCG)-compliant B
The system BIOS or UEFI firmware (for TPM and non-TPM computers) must support the USB mass storage device class, including reading small files on a USB flash drive in the pre-operating system environment. The system BIOS or UEFI firmware (for TPM and non-TPM computers) must support the USB mass storage device class, including reading small files on a USB flash drive in the pre-operating system environment.
> [!IMPORTANT]
> You can use an OS drive encrypted without TPM and USB stick, from windows 7, [check procedure here](https://blogs.technet.microsoft.com/tip_of_the_day/2014/01/22/tip-of-the-day-bitlocker-without-tpm-or-usb/).
> [!NOTE] > [!NOTE]
> TPM 2.0 is not supported in Legacy and CSM Modes of the BIOS. Devices with TPM 2.0 must have their BIOS mode configured as Native UEFI only. The Legacy and Compatibility Support Module (CSM) options must be disabled. For added security Enable the Secure Boot feature. > TPM 2.0 is not supported in Legacy and CSM Modes of the BIOS. Devices with TPM 2.0 must have their BIOS mode configured as Native UEFI only. The Legacy and Compatibility Support Module (CSM) options must be disabled. For added security Enable the Secure Boot feature.