Lenovo ThinkPad R500 Manuale d'uso - Pagina 22

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Restoring default settings

To restore default BIOS settings, use the Lenovo_LoadDefaultSettings class, then use the

Lenovo_SaveBiosSettings class to save the BIOS changes (see sample scripts).

Changing an existing hardware password

To update a password, specify a password type and format the password. The format for password

parameters is "pop,abc,def,ascii,us" with descriptions in Password parameters format, changing existing

hardware password (see "Set a supervisor password on the local computer when a supervisor password

exists" on page 22 and "Set a supervisor password on a remote computer when a supervisor password

exists" on page 23 for sample scripts).

Table 5. Password parameters format, changing existing hardware password

Parameter

Description

Parameter 1

Password type string

Parameter 2

Current password string

Parameter 3

New password string

Parameter 4

Password encoding

Parameter 5

Keyboard languages

Limitations

The following WMI limitations exist for BIOS setup:

• BIOS settings cannot be changed at the same boot as power-on passwords (POP) and hard disk

passwords (HDP). If you want to change BIOS settings and POP or HDP, you must reboot the system

after changing one of them.

• A password cannot be set using this method when one does not already exist. Passwords can only

be updated or cleared.

Lenovo BIOS Setup using Windows Management Instrumentation Deployment Guide

Possible selections

• "pap": Supervisor

• "POP": Power-on

• "uhdp1": User HDP 1

• "mhdp1": Master HDP 1

• "uhdp2": User HDP 2

• "mhdp2": Master HDP 2

• "uhdp3": User HDP 3

• "mhdp3": Master HDP 3

• "abc" - raw ascii character

• "1e302e" - scancode

• Raw ascii "def"

•

Scan code "201221"

• "ascii"

• "scancode"

• "us" - English US, English UK,

Chinese-Traditional, Danish, Dutch,

French-Canadian, Italian, Japanese,

Korean, Norwegian, Polish, Portuguese,

Spanish-European, Spanish-Latin American,

Swiss, Turkish

• "fr" - French-European, Belgian

• "gr" - German, Czech, Slovak, Slovenian