Samsung NP915S3GI User Manual Windows8.1 Ver.1.1 (English) - Page 80

Initializing the TPM chip, Security > TPM, Configuration, Enter, TPM Device, Enabled, Change

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Using the TPM Security Device (Optional) Chapter 3. Using the computer 79 Initializing the TPM chip When you use the TPM function for the first time or you want to register the user again, you have to initialize the TPM chip. •• Initializing the TPM chip erases all authentication information saved on the TPM chip. Any decision to initialize must be taken carefully. •• To initialize the TPM chip again while the TPM function is in use, you have to decrypt any existing files and folders encrypted by the TPM function first. Otherwise, you will not be able to access the files and folders after reinitialization. 1 Restart the computer. When the Samsung logo screen appears, press the F2 key repeatedly. 2 If the BIOS screen appears, select the Security > TPM Configuration item and press Enter. TPM Device Enabled Disabled Enabled Aptio Setup Utility - Copy (C) 2012 American Megatrends, Inc. 3 Set the TPM Device item to Enabled and set the Change TPM Status to Clear. TPM Device TPM State Security Chip State Enabled Clear No Change Clear Enabled & Activate Deactivate & Disable Aptio Setup Utility - Copy (C) 2012 American Megatrends, Inc. 4 Press the F10 key to save the changes.

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79
Chapter 3.
Using the computer
Initializing the TPM chip
When you use the TPM function for the first time or you want to
register the user again, you have to initialize the TPM chip.
Initializing the TPM chip erases all authentication
•
information saved on the TPM chip. Any decision to
initialize must be taken carefully.
To initialize the TPM chip again while the TPM function is
•
in use, you have to decrypt any existing files and folders
encrypted by the TPM function first. Otherwise, you
will not be able to access the files and folders after re-
initialization.
1
Restart the computer.
When the Samsung logo screen appears, press the
F2
key
repeatedly.
2
If the BIOS screen appears, select the
Security > TPM
Configuration
item and press
Enter
.
TPM Device
Aptio Setup Utility - Copy (C) 2012 American Megatrends, Inc.
Disabled
Enabled
Enabled
3
Set the
TPM Device
item to
Enabled
and set the
Change
TPM Status
to
Clear
.
TPM Device
TPM State
Security Chip State
Aptio Setup Utility - Copy (C) 2012 American Megatrends, Inc.
Enabled
No Change
Clear
Enabled & Activate
Deactivate & Disable
Clear
4
Press the
F10
key to save the changes.
Using the TPM Security Device
(Optional)