Enabling Or Disabling The Erp Lps Compliance Mode; Enabling Or Disabling The Configuration Change Detection Feature - Lenovo S400z Hardware Maintenance Manual

Enabling or disabling the ErP LPS compliance mode

Lenovo computers meet the eco-design requirements of the ErP Lot 3 regulation. For more information, go
to:
http://www.lenovo.com/ecodeclaration
You can enable the ErP LPS compliance mode in the Setup Utility program to reduce the consumption of
electricity when your computer is off or in sleep mode.
To enable or disable the ErP LPS compliance mode, do the following:
1. Start the Setup Utility program. See "Starting the Setup Utility program" on page 61.
2. Select Power ➙ Enhanced Power Saving Mode and press Enter.
3. Depending on whether you select Enabled or Disabled, do one of the following:
• If you select Enabled, press Enter. Then, disable the Wake on LAN feature. See "Enabling or
disabling the Automatic Power On features" on page 61.
• If you select Disabled, press Enter. Then, go to the next step.
4. Exit the Setup Utility program. See "Exiting the Setup Utility program" on page 64.
When the ErP LPS compliance mode is enabled, you can wake up your computer by doing one of the
following:
• Press the power button.
• Enable the Wake Up on Alarm feature to make your computer wake up at a set time. See "Enabling or
disabling the Automatic Power On features" on page 61.
• Enable the After Power Loss feature to make your computer wake up when the power supply resumes
after a sudden loss of electricity.
1. Start the Setup Utility program. See "Starting the Setup Utility program" on page 61.
2. Select Power ➙ After Power Loss and press Enter.
3. Select Power On and press Enter.
4. Exit the Setup Utility program. See "Exiting the Setup Utility program" on page 64.

Enabling or disabling the Configuration Change Detection feature

If you enable the Configuration Change Detection feature, when the POST detects the configuration changes
of some hardware devices (such as storage drives or memory modules), an error message will be displayed
when you turn on the computer.
To enable or disable the Configuration Change Detection feature, do the following:
1. Start the Setup Utility program. See "Starting the Setup Utility program" on page 61.
2. Select Security ➙ Configuration Change Detection and press Enter.
3. Select the desired setting and press Enter.
4. Exit the Setup Utility program. See "Exiting the Setup Utility program" on page 64.
To bypass the error message and log in to the operating system, do one of the following:
• Press the F2 key.
Note: For some keyboards, you might need to press Fn+F2 to bypass the error message.
• Start and then exit the Setup Utility program. See "Starting the Setup Utility program" on page 61 and
"Exiting the Setup Utility program" on page 64.
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Lenovo S400z and S405z Hardware Maintenance Manual