Lenovo E10 manual Power management, Screen blank mode, Sleep or standby mode, Select Master HDP

2.When the ThinkPad logo comes up, immediately press F1 to enter BIOS Setup Utility. For models supporting the Passphrase function, press F1 while HDP icon is appearing on the screen; then enter the master HDP. For the other models, enter the master HDP.

Note: To check whether the ThinkPad Notebook you are servicing supports the Passphrase function, enter the BIOS Setup Utility and go to Security ➙ Password. If Using Passphrase item is displayed in the menu, this function is available on the ThinkPad Notebook.

3.Select Security, using the cursor directional keys to move down the menu.

4.Select Password.

5.Select Hard-diskx password, where x is the letter of the hard disk drive. A pop-up window opens.

6.Select Master HDP.

7.Type the current master HDP in the Enter Current Password field. then leave the Enter New Password field blank, and press Enter twice.

8.Press F10.

9.Select Yes in the Setup Configuration window. Both user HDP and master HDP will have been removed.

Power management

To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby in Windows XP), and hibernation.

Screen blank mode

If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off.

To put the computer into screen blank mode, do as follows:

1.Press Fn+End. A panel for selecting a power plan (in Windows XP, power scheme) appears.

2.Select Power off display (keep current power plan) (in Windows XP, keep current power scheme).

To end screen blank mode and resume normal operation, press any key.

Sleep or standby mode

When the computer enters sleep (standby) mode, the following events occur in addition to what occurs in screen blank mode:

•The LCD is powered off.

•The hard disk drive is powered off.

•The CPU stops.

To enter sleep (standby) mode, press Fn+F4.

Note: You can change the action of the Fn+F4 key combination by changing the settings in Power Manager.

In certain circumstances, the computer goes into sleep (standby) mode automatically:

•If a “suspend time” has been set on the timer, and the user does not do any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that time.

•If the battery indicator blinks orange, indicating that the battery power is low.

Note: Even if you do not set the low-battery alarm, the charge indicator notifies you when the battery is low, and then the computer enters the power-saving mode automatically.

To cause the computer to return from sleep (standby) mode and resume operation, do one of the following:

40ThinkPad Edge 11” and E10 Hardware Maintenance Manual