Lenovo ThinkPad 11e - Manual (Page 72)

• Set a power-on password as well as a hard disk password for your internal hard disk drive or solid-state
drive. Refer to the procedures in “Power-on password” on page 51 and “Hard disk passwords” on page
54. For security, a longer password is recommended.
• If a Disk Encryption hard disk drive or an Encryption solid-state drive is installed in your computer, be sure
to protect the contents of your computer memory from unauthorized accesses by use of drive encryption
software, such as Microsoft Windows BitLocker
® Drive Encryption, which is supported in the Ultimate and
Enterprise editions of the Windows 7 operating system and Professional and Enterprise editions of the
Windows 8.1 operating system. Refer to “Using Windows BitLocker Drive Encryption” on page 56.
• Before you dispose of, sell, or hand over your computer, be sure to delete data stored on it. For more
information, refer to “Notice on deleting data from your hard disk drive or solid-state drive” on page 56.
Note: The hard disk drive or solid-state drive built into your computer can be protected by UEFI BIOS.
Using Windows BitLocker Drive Encryption
To help protect your computer against unauthorized access, use the drive encryption software, such as
Windows BitLocker Drive Encryption.
Windows BitLocker Drive Encryption is an integral security feature of Windows 7 and Windows 8.1 operating
systems. It is supported in the Ultimate and Enterprise editions of the Windows 7 and Professional and
Enterprise editions of the Windows 8.1 operating system. It can help you protect the operating system and
data stored on your computer, even if your computer is lost or stolen. BitLocker works by encrypting all user
and system files, including the swap and hibernation files.
BitLocker provides enhanced protection for your data and to ensure early boot component integrity.
To check the BitLocker status, go to Control Panel, and click System and Security ➙ BitLocker Drive
Encryption.
For more information about Windows BitLocker Drive Encryption, see the help information system of the
Windows operating system, or search for “Microsoft Windows BitLocker Drive Encryption Step-by-Step
Guide” on the Microsoft Web site.
Disk Encryption hard disk drive and Encryption solid-state drive
Some models contain the Disk Encryption hard disk drive or Encryption solid-state drive. This feature helps
to protect your computer against security attacks on media, NAND flash or device controllers by use of
a hardware encryption chip. For the efficient use of the encryption feature, be sure to set a hard disk
password for the internal storage device.
Notice on deleting data from your hard disk drive or solid-state drive
Some of the data stored on the hard disk drive or solid-state drive might be sensitive. Handing your
computer over to someone else without deleting the loaded software, such as operating systems and
application software, might even violate license agreements. Be sure to delete data stored on the hard disk
drive or solid-state drive before you dispose of, sell, or hand over your computer.
You can use the following methods to delete data from the hard disk drive or solid-state drive:
• Move the data to the Recycle Bin, and then empty the Recycle Bin.
• Delete the data.
• Format your hard disk drive or solid-state drive, using the software for initializing it.
• Use the recovery program provided by Lenovo to bring the hard disk drive or solid-state drive back to
the factory default settings.
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