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Changing The Fan Speed Level; Exiting The Setup Utility Program; Bios Level - Lenovo ThinkStation P920 Hardware Maintenance Manual

Dual-processor workstation.
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Selecting a temporary startup device
Note: Not all discs and storage drives are bootable.
To select a temporary startup device, do the following:
1. Depending on the type of the storage device, do one of the following:
• If the storage device is internal, go to step 2.
• If the storage device is a disc, ensure that your computer is turned on. Then, insert the disc into the
optical drive.
• If the storage device is an external device other than a disc, connect the storage device to the
computer.
2. Turn on or restart the computer. Before Windows starts up, repeatedly press and release F12 or Fn+F12
(depending on the keyboard settings) until Startup Device Menu is displayed.
3. Select the desired storage device and press Enter. The computer then starts up from the device you
select.
If you want to select a permanent startup device, select Enter Setup on Startup Device Menu and press
Enter to start the Setup Utility program. For more information about how to select a permanent startup
device, see "Changing the startup device sequence permanently" on page 71.

Changing the fan speed level

The Fan Control Stepping item enables you to adjust the thermal performance of your computer. From level 1
to level 7, a higher fan speed level indicates better thermal performance with more noise.
To change the fan speed level, do the following:
1. Start the Setup Utility program. See "Starting the Setup Utility program" on page 67.
2. Select Power ➙ Fan Control Stepping and press Enter.
3. Select a fan speed level and press Enter.
4. To save settings and exit the Setup Utility program, press F10 or Fn+F10 (depending on the keyboard
settings), select Yes in the window displayed, and press Enter.

Exiting the Setup Utility program

To exit the Setup Utility program, do one of the following:
• If you want to save the new settings, press F10 or Fn+F10 (depending on the keyboard settings). Then,
select Yes in the window displayed and press Enter.
• If you do not want to save the new settings, select Exit ➙ Discard Changes and Exit and press Enter.
Then, select Yes in the window displayed and press Enter.

BIOS level

An incorrect BIOS level can cause false errors and unnecessary FRU replacement. Use the following
information to determine the currently installed BIOS level, the latest BIOS level available, and where to
obtain the latest BIOS level.
• To determine the currently installed BIOS level, start the Setup Utility program and view the BIOS
Revision Level on the Main page.
• Sources for obtaining the latest BIOS level available
– Lenovo support Web site:
– Lenovo Customer Support Center
72
P920 Hardware Maintenance Manual
http://www.lenovo.com/support

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