Lenovo ThinkPad X32 (English) Service and Troubleshooting guide for the ThinkP - Page 54

Problem, Solution, Maximum, Performance, Automatic, Battery, Optimized, Power, Management, Intel,

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Solving computer problems Problem: Playback of DVD is not smooth in Windows 98 and Windows 2000. Solution: If you select the Maximum Battery mode for the Intel SpeedStep® technology, this problem may occur. This mode is designed to achieve maximum battery life by switching the processor speed between the regular low speed and half of that speed, depending on how much the processor is used. If the use increases, Intel SpeedStep switches the processor speed to the lower speed. Operation in this mode can severely degrade the performance of the processor, and thus cause the playback of a DVD to be jerky. To avoid or reduce this problem, you can choose any of three other modes of operation, as follows: v Maximum Performance: Keeps the processor speed high at all times. v Automatic: Switches the processor speed between high and low, depending on how much the processor is used. If the use increases, Intel SpeedStep switches the processor speed to high. v Battery Optimized Performance: Keeps the processor speed low at all times. To choose a mode, do the following: 1. Start the ThinkPad Configuration Program. 2. Click Power Management. 3. Click the Intel SpeedStep technology tab. 4. From the list, select the mode you want. 5. Click OK. Problem: If your operating system is Windows 2000 and you are using a USB 1.x device, then when your computer returns from standby or hibernation mode to normal operation, the ″Unsafe Removal of Device″ message may appear. Solution: You can safely close this message. It is displayed because of the USB 2.0 driver problem on Windows 2000. You can get detailed information in the More Information section of the Microsoft Knowledge Base 328580 and 323754. Visit the Microsoft Knowledge Base homepage at http://support.microsoft.com/, type the number of the knowledge base article you need in the search field, and click the Search button. 32 ThinkPad® X30 Series Service and Troubleshooting Guide

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Problem:
Playback
of
DVD
is
not
smooth
in
Windows
98
and
Windows
2000.
Solution:
If
you
select
the
Maximum
Battery
mode
for
the
Intel
SpeedStep
®
technology,
this
problem
may
occur.
This
mode
is
designed
to
achieve
maximum
battery
life
by
switching
the
processor
speed
between
the
regular
low
speed
and
half
of
that
speed,
depending
on
how
much
the
processor
is
used.
If
the
use
increases,
Intel
SpeedStep
switches
the
processor
speed
to
the
lower
speed.
Operation
in
this
mode
can
severely
degrade
the
performance
of
the
processor,
and
thus
cause
the
playback
of
a
DVD
to
be
jerky.
To
avoid
or
reduce
this
problem,
you
can
choose
any
of
three
other
modes
of
operation,
as
follows:
v
Maximum
Performance:
Keeps
the
processor
speed
high
at
all
times.
v
Automatic:
Switches
the
processor
speed
between
high
and
low,
depending
on
how
much
the
processor
is
used.
If
the
use
increases,
Intel
SpeedStep
switches
the
processor
speed
to
high.
v
Battery
Optimized
Performance:
Keeps
the
processor
speed
low
at
all
times.
To
choose
a
mode,
do
the
following:
1.
Start
the
ThinkPad
Configuration
Program.
2.
Click
Power
Management
.
3.
Click
the
Intel
SpeedStep
technology
tab.
4.
From
the
list,
select
the
mode
you
want.
5.
Click
OK
.
Problem:
If
your
operating
system
is
Windows
2000
and
you
are
using
a
USB
1.x
device,
then
when
your
computer
returns
from
standby
or
hibernation
mode
to
normal
operation,
the
″
Unsafe
Removal
of
Device
″
message
may
appear.
Solution:
You
can
safely
close
this
message.
It
is
displayed
because
of
the
USB
2.0
driver
problem
on
Windows
2000.
You
can
get
detailed
information
in
the
More
Information
section
of
the
Microsoft
Knowledge
Base
328580
and
323754.
Visit
the
Microsoft
Knowledge
Base
homepage
at
type
the
number
of
the
knowledge
base
article
you
need
in
the
search
field,
and
click
the
Search
button.
Solving
computer
problems
32
ThinkPad
®
X30
Series
Service
and
Troubleshooting
Guide