Lenovo ThinkCentre M55 (English) User guide - Page 59

Changing, startup, device, sequence, Advanced, settings, Exiting, Setup, Utility, program

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Note: Selecting a startup device from the Startup Device menu does not permanently change the startup sequence. 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 41). 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, your computer performance might be degraded. Therefore, you should always set HyperThreading to Disabled unless you are sure your operating system supports HyperThreading. Exiting from the Setup Utility program When you finish viewing or changing settings, press Esc to return to the Setup Utility program menu (you might have to press Esc several times). If you want to save the new settings, select Save Settings or Save and exit the Setup Utility. Otherwise, your changes will not be saved. Chapter 5. Using the Setup Utility 43

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Note:
Selecting
a
startup
device
from
the
Startup
Device
menu
does
not
permanently
change
the
startup
sequence.
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
41).
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,
your
computer
performance
might
be
degraded.
Therefore,
you
should
always
set
HyperThreading
to
Disabled
unless
you
are
sure
your
operating
system
supports
HyperThreading.
Exiting
from
the
Setup
Utility
program
When
you
finish
viewing
or
changing
settings,
press
Esc
to
return
to
the
Setup
Utility
program
menu
(you
might
have
to
press
Esc
several
times).
If
you
want
to
save
the
new
settings,
select
Save
Settings
or
Save
and
exit
the
Setup
Utility
.
Otherwise,
your
changes
will
not
be
saved.
Chapter
5.
Using
the
Setup
Utility
43