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Safety, Warranty, and Setup Guide
Brief user notices
ThinkCentre M53
* Available on some models
Read this documentation before
using your computer
This documentation provides critical safety and regulatory
information for Lenovo computers.
Safety information
Laser compliance statement
When laser products (such as CD-ROMs, DVD drives,
fiber optic devices, or transmitters) are installed, note
the following:
 Do not remove the covers. Removing the covers of
the laser product could result in exposure to
hazardous laser radiation. There are no serviceable
parts inside the device.
 Use of controls or adjustments or performance of
procedures other than those specified herein might
result in hazardous radiation exposure.
Some laser products contain an embedded
Class 3A or Class 3B laser diode. Note the
Laser radiation when open. Do not stare
into the beam, do not view directly with
optical instruments, and avoid direct
exposure to the beam.
Connector locations
The locations of the connectors, controls, and indicators on your computer might be slightly different from the illustrations.
If you use the optional connector for installing a serial connector, the serial connector and the adjacent VGA connector might interfere with each other when connecting cables. To avoid the interference, ensure that you use the serial connector
convert cable that comes with the computer when you connect a device to the serial connector.
The Video Electronics Standards Association (VESA
vertical stand. For more information, see "Installing or replacing hardware" in the User Guide.
Front view
Power button
Bluetooth activity indicator
Wireless activity indicator
Hard disk drive activity indicator
Power indicator
USB 2.0 connector
Microphone connector
Headset connector
Always On USB 3.0 connector
Initial setup instructions
Connect the cable from your monitor to the
appropriate video connector on the computer (VGA or
Connect the keyboard cable and the mouse cable to
the appropriate connector respectively (USB).
If you will be using a wired network connection,
connect the Ethernet cable to the Ethernet connector.
Connect the ac power adapter cable to the ac power
adapter connector on the computer first. Then,
connect one end of the power cord to the ac power
adapter and the other end to a properly-grounded
electrical outlet.
Service, support, and warranty
The following information describes the technical support
that is available for your product during the warranty period
and throughout the life of your product. Online technical
support is available throughout the lifetime of your product
If you purchased Lenovo services, refer to the following
terms and conditions for detailed information:
Third Edition (December 2014)
© Copyright Lenovo 2014.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration "GSA" contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.
For Those Who Do., Lenovo, the Lenovo logo, the ThinkCentre logo, and ThinkCentre are trademarks of Lenovo in the United States, other countries, or both. Microsoft and Windows are trademarks of the Microsoft group of companies. DisplayPort and VESA are trademarks of the Video Electronics Standards
Association. Other company, product, or service names may be trademarks or service marks of others.
Power cord*
Plastic bag notice
Plastic bags can be dangerous. Keep
plastic bags away from babies and children
to avoid danger of suffocation.
Lithium coin cell battery notice
Danger of explosion if battery is incorrectly
When replacing the lithium coin cell battery, use only the
same type or equivalent type that is recommended by the
manufacturer. The battery contains lithium and can
explode if not properly used, handled, or disposed of.
Do not:
Throw or immerse into water
Heat to more than 100°C (212°F)
Repair or disassemble
Dispose of the battery as required by local ordinances or
The following statement applies to users in the state of
California, U.S.A.
California Perchlorate Information:
Products containing manganese dioxide lithium coin cell
batteries may contain perchlorate.
Perchlorate Material - special handling may apply, See
Polyvinyl Chloride (PVC) cable and cord
WARNING: Handling the cord on this product or cords
associated with accessories sold with this product will
expose you to lead, a chemical known to the State of
) mount bracket and vertical stand are optional parts. If your computer comes with the VESA mount bracket installed, ensure that you remove the VESA mount bracket before you install the
Ensure that all power cord connectors are securely and
completely plugged into receptacles.
Press the power button on the rear of your computer.
Follow the on-screen instructions to complete the
Note: If your tiny desktop computer comes with an external
optical drive, an external hard disk drive, an external
battery, or an I/O box, ensure that you install the cable that
connects your computer and the external device. If your
computer comes with the Wi-Fi feature, ensure that you
install the Wi-Fi antenna stick to your computer.
 For Lenovo Warranty Service Upgrades or
Extensions, go to:
 For Lenovo Accidental Damage Protection Services,
go to:
Warranty information
Lenovo provides a warranty period for your computer. To
check the warranty status of your computer, go to, and then follow the
instructions on the screen.
electronic manuals... for a greener planet!
Refer to the electronic User Guide for detailed product information:
Note: Recovery discs are not provided. Instead, everything needed for recovering factory-installed files and applications is
provided in the Lenovo_Recovery partition on your hard disk drive. If you decide to remove the Lenovo_Recovery partition,
be sure to create a recovery disc first. For more information, see the recovery information in the User Guide. See "Accessing
your User Guide" for instructions on opening the electronic User Guide provided on your computer.
California to cause cancer, and birth defects or other
reproductive harm. Wash hands after handling.
Using earphones, headphones, or a
 If your computer has both a headphone connector and
an audio line-out connector, always use the headphone
connector for earphones, headphones, or a headset.
However, the headphone connector does not support
the microphone of the headset.
 If your computer has both a headset connector and an
audio line-out connector, always use the headset
connector for earphones, headphones, or a headset.
Excessive sound pressure from earphones and
headphones can cause hearing loss. Adjustment of
the equalizer to maximum increases the earphone and
headphone output voltage and the sound pressure
level. Therefore, to protect your hearing, adjust the
equalizer to an appropriate level.
Excessive use of headphones or earphones for a long
period of time at high volume can be dangerous if the
output of the headphone or earphone connectors do not
comply with specifications of EN 50332-2. The headphone
output connector of your computer complies with EN
50332-2 Sub clause 7. This specification limits the
computer's maximum wide band true RMS output voltage
to 150 mV. To help protect against hearing loss, ensure
that the headphones or earphones you use also comply
with EN 50332-2 (Clause 7 Limits) or a wide band
characteristic voltage of 75 mV. Using headphones that do
not comply with EN 50332-2 can be dangerous due to
excessive sound pressure levels.
If your Lenovo computer came with headphones or
earphones in the package, as a set, the combination of the
headphones or earphones and the computer already
complies with the specifications of EN 50332-1. If different
Rear view
USB 2.0 connector
Ethernet connector
VGA connector
USB 2.0 connector
USB 2.0 connector
ac power adapter connector
Security-lock slot
Optional connector
ac power adapter cable loop
Wi-Fi antenna slot
For additional information about using your computer, refer
to the User Guide for your computer.
Accessing your User Guide
Your User Guide contains detailed information about your
computer. To access your User Guide, do the following:
8.1 and Windows 7:
1. On your keyboard, press the Windows key+F1.
Windows Help and Support opens.
Your computer is covered by the terms of the Lenovo
Limited Warranty (LLW), version L505-0010-02 08/2011.
The LLW is displayed on your computer during the initial
setup. After the initial setup has been completed, you can
view the warranty information from your computer by doing
the following:
Windows 8.1:
1. Go to the Start screen.
2. Click the arrow icon in the bottom-left corner of the
screen to go to the Apps screen. If you are using a
touch screen, swipe up to go to the Apps screen.
3. Click or tap Warranty Information.
PN: SP40H01881
Printed in China
headphones or earphones are used, ensure that they
comply with EN 50332-1 (Clause 6.5 Limitation Values).
Using headphones that do not comply with EN 50332-1
can be dangerous due to excessive sound pressure levels.
China altitude notice
Regulatory information
Computer models equipped with wireless communications
comply with the radio frequency and safety standards of
any country or region in which it has been approved for
wireless use.
Ensure that you read the Regulatory Notice for your
country or region before using the wireless devices
contained in your computer. To obtain a PDF version of the
Regulatory Notice, see "Downloading publications" in this
Brazil regulatory notice
Ouvir sons com mais de 85 decibéis por longos períodos
pode provocar danos ao sistema auditivo.
Mexico regulatory notice
Advertencia: En Mexico la operación de este equipo está
sujeta a las siguientes dos condiciones: (1) es posible que
este equipo o dispositivo no cause interferencia perjudicial
y (2) este equipo o dispositivo debe aceptar cualquier
interferencia, incluyendo la que pueda causar su operación
no deseada.
2. Click Lenovo User Guide.
Models without preinstalled operating systems and
Virtual Desktop Infrastructure (VDI) clients:
Lenovo makes constant improvements to the User Guide
of your computer. To ensure that you have the up-to-date
information of your computer, see "Downloading
publications" for information about downloading the latest
User Guide.
Downloading publications
The latest electronic publications for your computer are
available from the Lenovo Support Web site. To download
the publications, go to:
Windows 7:
From the Windows desktop, click Start
All Programs
Lenovo Device Experience
Lenovo Warranty.
If you cannot view the LLW either from the Web site
( or from your
computer, contact your local Lenovo office or reseller to
obtain a printed version.
Customer Replaceable Units
Customer Replaceable Units (CRUs) are parts that can be
upgraded or replaced by the customer. To view the
instructions on replacing the CRUs, see the respective


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   Summary of Contents for Lenovo ThinkCentre M53

  • Page 1: Connector Locations

    For Those Who Do., Lenovo, the Lenovo logo, the ThinkCentre logo, and ThinkCentre are trademarks of Lenovo in the United States, other countries, or both. Microsoft and Windows are trademarks of the Microsoft group of companies.

  • Page 2

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