Lenovo THINKCENTRE 8177 Bedienungsanleitung PDF herunterladen (Seite 64)

Selecting a startup device

If the computer does not start up (boot) from a device such as the CD-ROM,

diskette, or hard disk as expected, use one of the following procedures to select a

startup device.

Selecting a temporary startup device

Use this procedure to startup from any boot device.

Note: Not all CDs, hard disks, and diskettes are startable (bootable).

1. If your computer is already on when you start this procedure, shut down the

operating system and turn off the computer.

2. To open the Startup Device Menu, repeatedly press the F12 key as you turn on

the computer.

Note:

Selecting a startup device from this list does not permanently change the

startup sequence; it is valid for one boot cycle only.

Changing the startup device sequence

To view or permanently change the configured startup device sequence, do the

following:

1. Start the Setup Utility program (see “Starting the Setup Utility program” on

page 55).

2. Select Startup.

3. Select Startup Sequence. See the information displayed on the right side of the

screen.

4. Select the devices for the Primary Startup Sequence, the Automatic Startup

Sequence, and the Error Startup Sequence.

5. Select Exit from the Setup Utility menu and then Save Settings or Save and

exit the Setup Utility.

If you have changed these settings and want to return to the default settings, select

Load Default Settings on the Exit menu.

Advanced settings

On some computer models the Advanced settings menu includes a setting to

Enable/Disable HyperThreading. This feature works only with

HyperThreading-aware operating systems such as Microsoft

Windows

XP. The

default setting for HyperThreading is Enabled. However, if you select Set Defaults

and are using an operating system other than Windows XP, the computer

performance might be degraded. Therefore, you should always set

HyperThreading to Disabled unless you are sure your operating system supports

HyperThreading.

58 Hardware Maintenance Manual

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Lenovo THINKCENTRE 8177 Bedienungsanleitung Seite 64