Lenovo THINKPAD R50E -, Руководство по техническому обслуживанию аппаратной части

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How to remove the power-on password
To remove a POP that you have forgotten, do the
following:
(A) If no SVP has been set:
1. Turn off the computer.
2. Remove the battery pack.
For how to remove the battery pack, see “1010 Battery
pack” on page 65.
3. Remove the backup battery.
For how to remove the backup battery, see “1120
Backup battery” on page 86.
4. Turn on the computer and wait until the POST ends.
After the POST ends, the password prompt does not
appear. The POP has been removed.
5. Reinstall the backup battery and the battery pack.
(B) If an SVP has been set and is known by the servicer:
1. Turn on the computer; then, while the “To interrupt
normal startup, press the blue Access IBM button”
message is displayed at the lower-left of the screen,
press the Access IBM button. The Rescue and
Recovery screen opens.
For models supporting the Passphrase function, press
F1 while POP icon is appearing on the screen; then
enter the POP. For the other models, enter the POP.
Note: To check whether the ThinkPad computer
supports the Passphrase function, enter BIOS
Setup Utility and go to Security --> Password .
If Using Passphrase item is displayed in the
menu, this function is available on the ThinkPad
computer.
2. Click Access BIOS . The system Restart Required
window is displayed.
3. Click Yes . The computer restarts, and the BIOS Setup
Utility screen opens.
4. Select Security , using the cursor directional keys to
move down the menu.
5. Select Password .
6. Select Power-On Password .
7. Type the current SVP in the Enter Current Password
field. then leave the Enter New Password field blank,
and press Enter twice.
8. In the Changes have been saved window, press Enter.
9. Press F10; then, in the Setup confirmation window,
select Yes .
Related service information
30
R50e (MT1834, 1842)