Lenovo PC 300PL Installing Options in your PC300PL - 6562 - Page 76

Erasing Lost or Forgotten Passwords

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Erasing Lost or Forgotten Passwords Note: To set a password, see "Setting Passwords" on page 76. To change or delete a password, see Using Your Personal Computer. Your computer uses complementary metal-oxide semiconductor (CMOS) memory on the system board for storing configuration and setup information. CMOS memory maintains information about: Date and time Security features Power-management devices Storage devices Keyboard and mouse ISA legacy configuration information Plug and Play configuration information Port assignments I/O addresses and interrupts Other selectable features Within the security features are the settings for the power-on and administrator passwords. If you need to erase a lost or forgotten password, you must erase all of the configuration and setup information by moving the jumper designated for CMOS memory. Important Clearing CMOS memory erases the configuration of your computer. Because you need to reconfigure the computer after clearing CMOS memory, record the configuration information of your computer before moving the CMOS jumper. 62 Installing Options in Your Personal Computer

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Erasing Lost or Forgotten Passwords
Note:
To set a password, see “Setting Passwords” on page
76.
To change or delete
a password, see
Using Your Personal Computer
.
Your computer uses
complementary metal-oxide semiconductor (CMOS)
memory on the
system board for storing configuration and setup information.
CMOS memory
maintains information about:
±
Date and time
±
Security features
±
Power-management devices
±
Storage devices
±
Keyboard and mouse
±
ISA legacy configuration information
±
Plug and Play configuration information
±
Port assignments
±
I/O addresses and interrupts
±
Other selectable features
Within the security features are the settings for the power-on and administrator
passwords.
If you need to
erase
a lost or forgotten password, you must erase all of
the configuration and setup information by moving the jumper designated for
CMOS memory.
Important
Clearing CMOS memory erases the configuration of your computer.
Because
you need to reconfigure the computer after clearing CMOS memory, record the
configuration information of your computer
before
moving the CMOS jumper.
62
Installing Options in Your Personal Computer