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.
Toremove a user HDP that has been forgotten, when the
SVP and the master HDPare 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 xpassword, where xis 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 HDPwill have been
removed.
Power management
Toreduce power consumption, the computer has three
power management modes: screen blank, standby,and
hibernation.
Notes
vScreen blank mode is called standby mode in
Windows 95 and Windows NT.
vStandby mode is called suspend mode in
Windows 95 and 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
timerin IBM BIOS Setup Utility expires,
vThe LCD backlight turns off.
vThe hard-disk drive motor stops.
vThe speaker is muted.
2. If you are using theACPI operating system and you
press Fn+F3,
vThe LCD backlight turns off.
Relatedservice information
28 ThinkPad T20, T21, T22, T23 (MT 2647/2648)