Passwords; Power-On Password - Lenovo ThinkPad Helix 20CG Hardware Maintenance Manual

• To delete the recovery partition on your tablet, tap Delete the recovery partition.
Attention: If you delete the recovery partition on your tablet, do keep a recovery USB drive in a safe
place. The Windows recovery programs will not be stored in your tablet anymore, and you can only
use the recovery USB drive to refresh or reset your tablet.
8. Remove the USB drive. The recovery USB drive is created successfully.
Using the recovery USB drive
If you cannot use the Windows recovery programs which are preinstalled on your tablet, use the recovery
USB drive to recover your tablet.
To use the recovery USB drive, do the following:
Note: Ensure that the tablet is connected to ac power during the recovery process.
1. Connect the recovery USB drive to the tablet.
2. Restart the tablet. When the logo screen is displayed, tap To interrupt normal startup, press Enter
or tap here on the screen.
3. Tap F12 on the screen and follow the instructions to start the tablet from the recovery USB drive.
4. Follow the instructions on the screen to complete the recovery process.
For more information about the recovery solutions provided by the Windows 8.1 operating system, go to:
http://go.microsoft.com/fwlink/?LinkID=263800

Passwords

Three passwords might be available: the power-on password, the hard disk password, and the supervisor
password.
If any of these passwords has been set, a prompt for it will be displayed on the screen whenever the tablet
is turned on. The tablet does not start until the password is entered.
Note: If only a supervisor password is set, the password prompt will not be displayed when the operating
system is started.

Power-on password

A power-on password protects the system from being powered on by an unauthorized person. The users
must enter the power-on password in order to start the operating system.
If the customer forgets the power-on password, the service technician can remove the power-on password
by doing one of the following:
• If no supervisor password has been set, do the following to remove the power-on password:
1. Turn off the tablet.
2. Illustration showing how to disconnect the built-in battery, and remove the coin-cell battery. See
"1090 Coin-cell battery" on page 60.
3. Install the coin-cell battery and connect the built-in battery. See "1090 Coin-cell battery" on page 60.
The power-on password is removed.
• If a supervisor password has been set, do the following to remove the power-on password:
Note: The supervisor password must be entered to open the ThinkPad Tablet Setup program. If the
customer forgets the supervisor password, there is no service procedure to reset the password. The
system board must be replaced for a scheduled fee.
32
ThinkPad Helix Hardware Maintenance Manual