Lenovo ThinkStation C20, Hardware Maintenance Manual

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3. Select the startup devices for the Primary Startup Sequence, the Automatic Startup Sequence, and
the Error Startup Sequence.
4. Press Esc to return to the Setup Utility program main menu. You might have to press Esc several times.
5. Press F10 to save the new settings and exit the Setup Utility program.
Notes:
a. If you do not want to save the new settings, select Exit
®
Exit the Setup Utility without saving .
b. If you want to return to the default settings, press F9 or select Exit ® Load Default Settings .
Advanced settings
On some computer models, the Advanced menu includes a setting to enable or disable HyperThreading.
This feature works only with HyperThreading-aware operating systems, such as the Windows 7
operating system. The default setting for HyperThreading is enabled. However, if you are not using a
HyperThreading-aware operating system and you select
Enabled for HyperThreading, your computer
performance might be degraded. Therefore, you should always set HyperThreading to Disabled unless you
are sure your operating system supports HyperThreading.
Exiting the Setup Utility program
After you finish viewing or changing settings, press Esc to return to the Setup Utility program main menu.
You might have to press Esc several times. Then, you can do one of the following:
• If you want to save the new settings and exit the Setup Utility program, press F10. Otherwise, your
changes will not be saved.
• If you do not want to save the new settings, select Exit ® Exit the Setup Utility without saving .
• If you want to return to the default settings, press F9 or select Exit
®
Load Default Settings .
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ThinkStation Hardware Maintenance Manual