Lenovo ThinkPad A31p ThinkPad A30/p, A31/p Hardware Maintenance Manual (Septem - Page 36

How to remove the hard-disk password, Power management, Screen blank mode

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Related service information 8. Press F10; then, in the Setup confirmation window, select Yes . How to remove the hard-disk password Attention: If User only mode is selected and the user HDP has been forgotten and cannot be made available to the servicer, IBM does not provide any services to reset the user HDPs or to recover data from the hard-disk drive. The hard-disk drive can be replaced for a scheduled fee. To remove a user HDP that has been forgotten, when the SVP and the master HDP are known, do the following: 1. Power on the computer by pressing and holding F1. 2. Enter the SVP. The IBM BIOS Setup Utility menu appears. 3. Select Password, using the cursor keys to move down the menu. 4. Select Hard-disk x password, where x is the letter of the hard-disk drive. A pop-up window opens. 5. Select Master HDP. 6. Enter the master HDP; then leave the New Password field blank and press Enter twice. 7. Press F10. 8. 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, standby, and hibernation. Notes v Screen blank mode is called standby mode in Windows NT. v Standby mode is called suspend mode in Windows NT. Screen blank mode Screen blank mode has three variants, as follows: 1. If you press Fn+F3, or the time set on the "LCD off timer" in IBM BIOS Setup Utility expires, v The LCD backlight turns off. v The hard-disk drive motor stops. v The speaker is muted. 2. If you are using the ACPI operating system and you press Fn+F3, v The LCD backlight turns off. 32 MT 2652/2653/2654

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8.
Press F10; then, in the Setup confirmation window,
select
Yes
.
How to remove the hard-disk password
Attention:
If
User only
mode is selected and the user
HDP has been forgotten and cannot be made available to
the servicer, IBM does not provide any services to reset
the user HDPs or to recover data from the hard-disk drive.
The hard-disk drive can be replaced for a scheduled fee.
To remove a user HDP that has been forgotten, when the
SVP and the master HDP are known, do the following:
1.
Power on the computer by pressing and holding F1.
2.
Enter the SVP. The IBM BIOS Setup Utility menu
appears.
3.
Select
Password
, using the cursor keys to move down
the menu.
4.
Select
Hard-disk
x
password
, where
x
is the letter of
the hard-disk drive. A pop-up window opens.
5.
Select
Master HDP
.
6.
Enter the master HDP; then leave the New Password
field blank and press Enter twice.
7.
Press F10.
8.
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, standby, and
hibernation.
Notes
v
Screen blank mode is called
standby mode
in
Windows NT.
v
Standby mode is called
suspend mode
in
Windows NT.
Screen blank mode
Screen blank mode has three variants, as follows:
1.
If you press Fn+F3, or the time set on the “LCD off
timer” in IBM BIOS Setup Utility expires,
v
The LCD backlight turns off.
v
The hard-disk drive motor stops.
v
The speaker is muted.
2.
If you are using the ACPI operating system and you
press Fn+F3,
v
The LCD backlight turns off.
Related service information
32
MT 2652/2653/2654