IBM Thinkpad 570 And 570e Manual

El uso de controles o ajustes o la ejecución de
procedimientos distintos de los aquí especificados
puede provocar la exposición a radiaciones
peligrosas.
Opening the CD-ROM drive could result in exposure to
hazardous laser radiation. There are no serviceable parts
inside the CD-ROM drive.Do not open.
Some CD-ROM drives contain an embedded Class 3A or
Class 3B laser diode. Note the following.
DANGER:
Laser radiation when open. Do not stare into the
beam, do not view directly with optical instruments,
and...

18ThinkPad 570 and 570E Hardware Maintenance
Manual   

Read this first
  General descriptions
This chapter includes descriptions for any ThinkPad model
that has the PC-Doctor DOS diagnostics program. Some
descriptions might not apply to your particular computer.
Read this first
Before you go to the checkout guide, be sure to read this
section.
 
Important notes

Only certified trained personnel should
service the computer.

Read the entire FRU removal and replacement
page before replacing any FRU.

Use new nylon-coated screws when you
replace FRUs.

Be...

Read this first
6. Procedure index and page number in which the
failing FRU was detected
7. Failing FRU name and part number
8. Machine type, model number, and serial number
9. Customers name and address
Before checking problems with the computer, determine
whether the damage is covered under the warranty by
referring to the following:
Note for warranty
During the warranty period, the customer may be
responsible for repair costs if the computer damage
was caused by misuse, accident, modification,...

Read this first
 Important 
The following symptoms might indicate damage
caused by nonwarranted activities:

Missing parts might be a symptom of
unauthorized service or modification.

Hard disk drive spindles can become noisy from
being subjected to excessive force or from being
dropped.

I9990303 errors can be caused by exposure to
strong magnetic fields.
*
   General descriptions
21 

Related service information
Related service information
This section provides information about the following:
 
“Reset switch”

“Service Web site”
 
“Passwords”

Power management features
 
Reset switch
The Reset switch resets the system (regardless of the
microcode status) and forces the power off. Use this
pushbutton to power off when power is not completely off
or the microcode is in a hung state. For its location, see
“Front view” on page 94.
Service Web site
When the latest maintenance diskette and...

Related service information
Supervisor and hard disk passwords:  The
supervisor password (PAP) and the hard disk password
(HDP) are security features that are used to protect the
system and the hard disk data from unauthorized access.
No overriding capability is provided. If only a hard disk
password is set, you must get the password from its owner
in order to run diagnostic tests and perform service. If
both the supervisor password and the hard disk password
are set, you can enter Easy-Setup by pressing...

Related service information
Power management features
To reduce power consumption, the computer has three
power management modes: standby, suspend, and
hibernation.
Standby mode:In standby mode, the following
occurs:

The LCD backlight turns off.

The hard disk drive motor stops.

The speaker is muted.
Note:  Standby mode in Windows 98 is called suspend
mode in Windows 95.
To enter standby mode, press Fn + F3. To end standby
mode and resume normal operation, press any key.
Suspend mode:When the computer...

Related service information
the power-saving mode. This default low-battery
behavior is independent of the operating system:
so if you have set the low-battery alarm, the
computer may not do what you specified. It
chooses either your setting or the default setting,
whichever is appropriate.
Any one of the following events causes the computer to
resume operation from suspend mode:

The Fn key is pressed.

The LCD cover is opened.

The ring indicator (RI) is signaled by a serial device
or a PC Card...

Related service information

The timer conditions are satisfied in suspend mode
(for operating systems other than Windows 98).

A critically low battery condition occurs and the mode
is set to Hibernate when battery becomes low.
When the power is turned on, the computer leaves
hibernation mode and resumes operation. The hibernation
file in the boot record on the hard disk drive is read, and
system status is restored from the hard disk drive.
26ThinkPad 570 and 570E Hardware Maintenance
Manual