Lenovo ThinkCentre M900z 10F2, Hardware Maintenance Manual, Page: 73 / 146

Enabling or disabling the ICE Thermal Alert feature
If you enable the ICE thermal alert feature, when critical thermal situations occur, such as malfunctioning
fans, abnormally high temperature, or poor cooling performances, an alert log will be written into the
Windows system log. The alert log can help you identify the thermal problems.
To enable or disable the ICE Thermal Alert feature, do the following:
1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 63.
2. Select Power
➙
Intelligent Cooling Engine (ICE) and press Enter.
3. Select ICE Thermal Alert and press Enter.
4. Select the desired setting and press Enter.
5. Exit the Setup Utility program. See “Exiting the Setup Utility program” on page 67.
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 63.
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 67.
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 63 and
“Exiting the Setup Utility program” on page 67.
Using the cover presence switch
The cover presence switch prevents your computer from logging in to the operating system when the
computer cover is not properly installed or closed.
To enable the cover-presence-switch connector on the system board, do the following:
1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 63.
2. Select Security ➙ Chassis Intrusion Detection and press Enter.
3. Select Enabled and press Enter.
4. Exit the Setup Utility program. See “Exiting the Setup Utility program” on page 67.
When the cover-presence-switch connector on the system board is enabled, if the cover presence switch
detects that the computer cover is not correctly installed or closed, an error message will be displayed when
you turn on the computer. To bypass the error message and log in to the operating system, do the following:
1. Properly install or close your computer cover. See Chapter 9 “Installing or replacing hardware” on
page 87.
2. Start and then exit the Setup Utility program. See “Starting the Setup Utility program” on page 63 and
“Exiting the Setup Utility program” on page 67.
Chapter 6
.
Advanced configuration
65