
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-disk
x
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,
and hibernation.
Screen blank mode
To put the computer into screen blank mode, do as follows:
1. Right-click the Power Manager Battery Gauge in the task bar.
2. Select
Power off display
.
Sleep mode
When the computer enters sleep 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 mode, do as follows:
1. Click
Start
.
2. Click the triangle mark on the right side of the
Shut down
icon; then select
Sleep
.
To return from sleep mode, press the Fn key.
Hibernation mode
By using this mode, you can turn off your computer completely without saving files or exiting from any
applications that are running. When you enter hibernation, all open applications, folders, and files are saved
to the hard disk, and then the computer turns off.
To enter hibernation mode, do as follows:
1. Click
Start
.
2. Click the triangle mark on the right side of the
Shut down
icon; then select
Hibernate
.
To return from hibernation mode, press the power button for more than 4 seconds.
36
Hardware Maintenance Manual
Содержание ThinkPad Edge E30
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