Lenovo ThinkCentre E51 Guide de référence

Quick Reference

Inside

- Important safety information

- Warranty and other notices

- Computer setup

- Software recovery

- Troubleshooting and diagnostics

- Help and Service

- IBM Lotus software offer

Quick Reference

Note

Before using this information and the product it supports, be sure to read the

following:

v “Important safety information” on page v

v Appendix C, “Lenovo Statement of Limited Warranty,” on page 33

v Appendix D, “Notices,” on page 59

Second Edition (December 2005)

Portions © Copyright International Business Machines Corporation 2005.

U.S. GOVERNMENT USERS – RESTRICTED RIGHTS: Our products and/or services are

provided with RESTRICTED RIGHTS. Use, duplication or disclosure by the Government

is subject to the GSA ADP Schedule contract with Lenovo Group Limited, if any, or the

standard terms of this commercial license, or if the agency is unable to accept this

Program under these terms, then we provide this Program under the provisions set forth

in Commercial Computer Software–Restricted Rights at FAR 52.227-19, when applicable,

or under Rights in Data-General, FAR 52.227.14 (Alternate III).

Contents

Important safety information . . . . . . . . . . . . . . . .v

Conditions that require immediate action . . . . . . . . . . . . .v

General safety guidelines . . . . . . . . . . . . . . . . . .vi

Additional safety information . . . . . . . . . . . . . . . .xi

Lithium battery notice . . . . . . . . . . . . . . . . . . .xi

Modem safety information . . . . . . . . . . . . . . . . .xii

Laser compliance statement . . . . . . . . . . . . . . . . .xii

Power supply statement . . . . . . . . . . . . . . . . . . xiii

Additional help . . . . . . . . . . . . . . . . . . . . .xv

Chapter 1. Arranging your workspace . . . . . . . . . . . . .1

Comfort . . . . . . . . . . . . . . . . . . . . . . . .1

Chapter 2. Setting up your computer . . . . . . . . . . . . .3

Turning on power . . . . . . . . . . . . . . . . . . . .7

Finishing the software installation . . . . . . . . . . . . . . .7

Completing important tasks . . . . . . . . . . . . . . . . .7

Updating your operating system . . . . . . . . . . . . . . . .8

Installing other operating systems . . . . . . . . . . . . . . .8

Updating your antivirus software . . . . . . . . . . . . . . .8

Starting the Setup Utility . . . . . . . . . . . . . . . . . .8

Shutting down the computer . . . . . . . . . . . . . . . . .9

Recording your computer information . . . . . . . . . . . . . .9

Chapter 3. Recovering software . . . . . . . . . . . . . . .11

Creating and using product recovery discs . . . . . . . . . . . .11

Backup and recovery . . . . . . . . . . . . . . . . . . .12

Using the rescue and recovery workspace . . . . . . . . . . . .13

Solving recovery problems . . . . . . . . . . . . . . . . .15

Creating and using rescue media . . . . . . . . . . . . . . .16

Creating and using a Recovery Repair diskette . . . . . . . . . .16

Recovering or installing device drivers . . . . . . . . . . . . .17

Setting a rescue device in the startup sequence . . . . . . . . . .18

Chapter 4. Getting information, help, and service . . . . . . . . .19

Getting information . . . . . . . . . . . . . . . . . . .19

Getting help and service . . . . . . . . . . . . . . . . . .19

Purchasing additional services . . . . . . . . . . . . . . . .21

Chapter 5. Troubleshooting and diagnostics . . . . . . . . . .23

Basic troubleshooting . . . . . . . . . . . . . . . . . . .23

PC Doctor for DOS Diagnostics . . . . . . . . . . . . . . . .25

Appendix A. IBM Lotus Software Offer . . . . . . . . . . . .27

About IBM Lotus Notes . . . . . . . . . . . . . . . . . .27

About IBM Lotus SmartSuite . . . . . . . . . . . . . . . .27

Customer Support . . . . . . . . . . . . . . . . . . . .27

International License Agreement . . . . . . . . . . . . . . .28

Proof of Entitlement . . . . . . . . . . . . . . . . . . .28

Purchasing Upgrades, Additional Licenses, and Technical Support . . . .28

To order a CD . . . . . . . . . . . . . . . . . . . . .28

Appendix B. Customer Replacement Units (CRUs) . . . . . . . .31

Appendix C. Lenovo Statement of Limited Warranty . . . . . . . .33

Part 1 - General Terms . . . . . . . . . . . . . . . . . . .33

Part 2 - Country-unique Terms . . . . . . . . . . . . . . . .37

Part 3 - Warranty Information . . . . . . . . . . . . . . . .50

Guarantee supplement for Mexico . . . . . . . . . . . . . . .58

Appendix D. Notices . . . . . . . . . . . . . . . . . . .59

Television output notice . . . . . . . . . . . . . . . . . .60

Trademarks . . . . . . . . . . . . . . . . . . . . . .60

Electronic emissions notices . . . . . . . . . . . . . . . . .61

Federal Communications Commission (FCC) Declaration of Conformity 61

Industry Canada Class B emission compliance statement . . . . . . .62

European Union EMC Directive conformance statement . . . . . . .62

Federal Communications Commission (FCC) and telephone company

requirements . . . . . . . . . . . . . . . . . . . . .62

iv Quick Reference

Table des matières

Avis aux lecteurs canadiens

Consignes de sécurité

Conditions qui nécessitent une action immédiate

Consignes générales de sécurité

Autres consignes de sécurité

Pile au lithium

Informations relatives au modem

Conformité aux normes relatives aux appareils à laser

Instruction concernant le bloc d’alimentation

Aide supplémentaire

Chapitre 1. Organisation de l’espace de travail . . . . . . . . . .67

Confort . . . . . . . . . . . . . . . . . . . . . . . .67

Chapitre 2. Installation de l’ordinateur . . . . . . . . . . . . .69

Mise sous tension . . . . . . . . . . . . . . . . . . . . .73

Fin de l’installation . . . . . . . . . . . . . . . . . . . .73

Tâches importantes à effectuer . . . . . . . . . . . . . . . .73

Mise à jour de votre système d’exploitation . . . . . . . . . . . .74

Installation d’autres systèmes d’exploitation . . . . . . . . . . . .74

Mise à jour de votre logiciel antivirus . . . . . . . . . . . . . .74

Lancement de l’utilitaire de configuration . . . . . . . . . . . . .75

Arrêt de l’ordinateur . . . . . . . . . . . . . . . . . . . .75

Tableau d’informations . . . . . . . . . . . . . . . . . . .75

Chapitre 3. Récupération de logiciels . . . . . . . . . . . . .77

Création et utilisation de disques de récupération . . . . . . . . .77

Sauvegarde et récupération . . . . . . . . . . . . . . . . .79

Utilisation de l’espace de travail Rescue and Recovery . . . . . . . .80

Résolution des incidents de récupération . . . . . . . . . . . .82

Création et utilisation d’un support de récupération d’urgence . . . . .82

Création et utilisation d’une disquette de réparation . . . . . . . . .83

Récupération ou installation de pilotes de périphérique . . . . . . . .84

Configuration d’une unité de récupération d’urgence dans la séquence

d’amorçage . . . . . . . . . . . . . . . . . . . . .85

Chapitre 4. Assistance technique . . . . . . . . . . . . . .87

Informations . . . . . . . . . . . . . . . . . . . . . .87

Services d’assistance . . . . . . . . . . . . . . . . . . .87

Services complémentaires . . . . . . . . . . . . . . . . . .90

Chapitre 5. Résolution des incidents et outils de diagnostic . . . . .91

Résolution des incidents - Procédures de base . . . . . . . . . . .91

PC Doctor for DOS Diagnostics . . . . . . . . . . . . . . . .92

Annexe A. Offre de logiciels IBM Lotus . . . . . . . . . . . .95

A propos d’IBM Lotus Notes . . . . . . . . . . . . . . . .95

A propos d’IBM Lotus SmartSuite . . . . . . . . . . . . . . .95

Service clientèle . . . . . . . . . . . . . . . . . . . . .96

Conditions Internationales d’Utilisation des Logiciels IBM . . . . . . .96

Autorisation d’Utilisation du Logiciel . . . . . . . . . . . . . .96

Achat de mises à jour, de licences supplémentaires et de support technique 96

Pour commander un CD . . . . . . . . . . . . . . . . . .97

Annexe B. Unités remplaçables par l’utilisateur (CRU) . . . . . . .99

Annexe C. Déclaration de Garantie Lenovo . . . . . . . . . . .101

Chapitre 1 - Dispositions générales . . . . . . . . . . . . . .101

Chapitre 2 - Dispositions nationales particulières . . . . . . . . . .105

CHAPITRE 3 - Informations relatives à la Garantie . . . . . . . . .120

Annexe à la Garantie pour le Mexique . . . . . . . . . . . . .128

Annexe D. Remarques . . . . . . . . . . . . . . . . . .131

Consigne relative à la sortie télévision . . . . . . . . . . . . .132

Marques . . . . . . . . . . . . . . . . . . . . . . .132

Bruits radioélectriques . . . . . . . . . . . . . . . . . . .133

Déclaration de conformité de la Federal Communications Commission

(FCC) . . . . . . . . . . . . . . . . . . . . . . .133

Avis de conformité à la réglementation d’Industrie Canada pour la classe B 134

Avis de conformité à la directive de l’Union Européenne . . . . . . .134

Recommandations de la Federal Communications Commission (FCC) et des

entreprises de télécommunications [Etats Unis] . . . . . . . . .135

Aide-mémoire

Inhaltsverzeichnis

Wichtige Sicherheitshinweise

Situationen, die sofortige Maßnahmen erfordern

Allgemeine Sicherheitsrichtlinien

Zusätzliche Sicherheitshinweise

Hinweis zur Lithiumbatterie

Sicherheitshinweise zu Modems

Lasersicherheit

Hinweise zu Netzteilen

Weiterführende Hilfe

Kapitel 1. Arbeitsplatz einrichten . . . . . . . . . . . . . . .141

Ergonomie . . . . . . . . . . . . . . . . . . . . . . .141

Kapitel 2. Computer in Betrieb nehmen . . . . . . . . . . . .145

Computer einschalten . . . . . . . . . . . . . . . . . . .150

Softwareinstallation abschließen . . . . . . . . . . . . . . .150

Wichtige Aufgaben . . . . . . . . . . . . . . . . . . . .151

Betriebssystem aktualisieren . . . . . . . . . . . . . . . . .151

Andere Betriebssysteme installieren . . . . . . . . . . . . . .152

Antivirensoftware aktualisieren . . . . . . . . . . . . . . . .152

Konfigurationsdienstprogramm starten . . . . . . . . . . . . .152

Systemabschluss durchführen . . . . . . . . . . . . . . . .153

Computerdaten notieren . . . . . . . . . . . . . . . . . .153

Kapitel 3. Software wiederherstellen . . . . . . . . . . . . .155

Datenträger zur Produktwiederherstellung erstellen und verwenden . . .156

Sicherung und Wiederherstellung . . . . . . . . . . . . . . .157

Arbeitsbereich von Rescue and Recovery verwenden . . . . . . . .158

Fehler bei der Wiederherstellung beheben . . . . . . . . . . . .160

Wiederherstellungsdatenträger erstellen und verwenden . . . . . . .161

Diskette für Wiederherstellung erstellen und verwenden . . . . . . .162

Einheitentreiber wiederherstellen oder installieren . . . . . . . . .163

Einheit zur Wiederherstellung in der Startreihenfolge definieren . . . . .164

Kapitel 4. Informationen, Hilfe und Service anfordern . . . . . . .165

Informationen anfordern . . . . . . . . . . . . . . . . . .165

Hilfe und Service anfordern . . . . . . . . . . . . . . . . .165

Zusätzliche Services bestellen . . . . . . . . . . . . . . . .168

Kapitel 5. Fehlerbehebung und Diagnoseprogramme . . . . . . .169

Grundlegende Fehlerbehebung . . . . . . . . . . . . . . . .169

PC Doctor for DOS Diagnostics . . . . . . . . . . . . . . . .171

Anhang A. IBM Lotus Software-Angebot . . . . . . . . . . . .173

Informationen zu IBM Lotus Notes . . . . . . . . . . . . . .173

Informationen zu IBM Lotus SmartSuite . . . . . . . . . . . . .173

Kundenunterstützung . . . . . . . . . . . . . . . . . . .174

Internationale Lizenzvereinbarung . . . . . . . . . . . . . . .174

Berechtigungsnachweis . . . . . . . . . . . . . . . . . .174

Erwerb von Upgrades, zusätzlichen Lizenzen und technischer Unterstüt-

zung

. . . . . . . . . . . . . . . . . . . . . . . .174

Bestellen einer CD . . . . . . . . . . . . . . . . . . . .174

Anhang B. CRUs (Customer Replacement Units - durch den Kunden

austauschbare Funktionseinheiten) . . . . . . . . . . . . .177

Anhang C. Lenovo Gewährleistung . . . . . . . . . . . . . .179

Teil 1 - Allgemeine Bestimmungen . . . . . . . . . . . . . . .179

Teil 2 - Länderspezifische Bestimmungen . . . . . . . . . . . .183

Teil 3 - Gewährleistungsinformationen . . . . . . . . . . . . .199

Ergänzung zu den Gewährleistungsbestimmungen für Mexiko . . . . .208

Anhang D. Bemerkungen . . . . . . . . . . . . . . . . .211

Hinweise zur TV-Ausgabe . . . . . . . . . . . . . . . . .212

Marken . . . . . . . . . . . . . . . . . . . . . . . .212

Hinweise zur elektromagnetischen Verträglichkeit . . . . . . . . .213

Federal Communications Commission (FCC) Declaration of Conformity 213

Industry Canada Class B emission compliance statement . . . . . . .214

European Union EMC Directive conformance statement . . . . . . .214

Federal Communications Commission (FCC) and telephone company

requirements . . . . . . . . . . . . . . . . . . . . .214

Kurzübersicht

Indice

Informazioni importanti sulla sicurezza

Condizioni che richiedono un intervento immediato

Linee guida generali per la sicurezza

Ulteriori informazioni sulla sicurezza

Batteria al litio

Informazioni sulla sicurezza del modem

Dichiarazione di conformità relativa al laser

Dichiarazione relativa all’alimentatore

Ulteriori informazioni

Capitolo 1. Organizzazione dell’area di lavoro . . . . . . . . .221

Organizzazione ottimale . . . . . . . . . . . . . . . . . .221

Capitolo 2. Installazione del computer . . . . . . . . . . . . 225

Accensione . . . . . . . . . . . . . . . . . . . . . . .229

Completamento dell’installazione del software . . . . . . . . . . .229

Attività importanti . . . . . . . . . . . . . . . . . . . .229

Aggiornamento del sistema operativo . . . . . . . . . . . . .220

Installazione di altri sistemi operativi . . . . . . . . . . . . . .220

Aggiornamento del software antivirus . . . . . . . . . . . . .220

Avvio del programma Setup Utility . . . . . . . . . . . . . .220

Spegnimento del computer . . . . . . . . . . . . . . . . .220

Registrazione delle informazioni del computer . . . . . . . . . . .220

Capitolo 3. Ripristino del software . . . . . . . . . . . . . .233

Creazione e utilizzo dei dischi di ripristino del prodotto . . . . . . .233

Copie di backup e ripristino . . . . . . . . . . . . . . . . .235

Utilizzo dell’area di lavoro di Rescue and Recovery . . . . . . . . .236

Soluzioni relative ai problemi di ripristino . . . . . . . . . . . .237

Creazione e utilizzo di un supporto di ripristino . . . . . . . . . .238

Creazione e utilizzo del minidisco di ripristino . . . . . . . . . .239

Ripristino o installazione dei driver di periferica . . . . . . . . . .239

Impostazione di una periferica di ripristino nella sequenza di avvio . . .240

Capitolo 4. Richiesta di informazioni, supporto e assistenza . . . . .243

Come ottenere le informazioni . . . . . . . . . . . . . . . .243

Come ottenere aiuto e assistenza . . . . . . . . . . . . . . .243

Acquisto di altri servizi . . . . . . . . . . . . . . . . . .245

Capitolo 5. Risoluzione dei problemi e programmi di diagnostica . . .247

Risoluzione dei problemi basilari . . . . . . . . . . . . . . .247

Programma PC Doctor for DOS Diagnostics . . . . . . . . . . .249

Appendice A. IBM Lotus Software Offer . . . . . . . . . . . .251

About IBM Lotus Notes . . . . . . . . . . . . . . . . . .251

Informazioni su IBM Lotus SmartSuite . . . . . . . . . . . . .251

Assistenza clienti . . . . . . . . . . . . . . . . . . . .251

Accordo di licenza internazionale . . . . . . . . . . . . . . .252

Prova di certificazione . . . . . . . . . . . . . . . . . . .252

Aggiornamenti, licenze aggiuntive e supporto tecnico . . . . . . . .252

Per ordinare un CD . . . . . . . . . . . . . . . . . . . .252

Appendice B. CRU (Customer Replacement Unit) . . . . . . . . .255

Appendice C. Dichiarazione di garanzia limitata Lenovo . . . . . .257

Parte 1 - Condizioni generali . . . . . . . . . . . . . . . .257

Parte 2 - Condizioni specifiche . . . . . . . . . . . . . . . .261

Parte 3 - Informazioni sulla garanzia . . . . . . . . . . . . . .275

Guarantee supplement for Mexico . . . . . . . . . . . . . . .282

Appendice D. Informazioni particolari . . . . . . . . . . . . .285

Informazioni particolari sull’uscita TV . . . . . . . . . . . . .286

Marchi . . . . . . . . . . . . . . . . . . . . . . . .286

Informazioni sulle emissioni elettromagnetiche . . . . . . . . . .287

Dichiarazione di conformità FCC (Federal Communications Commission) 287

Dichiarazione di conformità industriale delle emissioni di Classe B per il

Canada . . . . . . . . . . . . . . . . . . . . . . .288

Dichiarazione di conformità per la comunità europea . . . . . . . .288

Federal Communications Commission (FCC) and telephone company

requirements . . . . . . . . . . . . . . . . . . . . .288

Guida di riferimento rapido

Inhoudsopgave

Belangrijke veiligheidsinformatie

Situaties waarin onmiddellijk handelen vereist is

Algemene veiligheidsrichtlijnen

Aanvullende veiligheidsvoorschriften

Kennisgeving lithiumbatterij

Veiligheidsvoorschriften voor de modem

Verklaring van conformiteit met laserrichtlijnen

Kennisgeving voedingseenheid

Aanvullende hulp

Hoofdstuk 1. De werkplek inrichten . . . . . . . . . . . . . .295

Comfort . . . . . . . . . . . . . . . . . . . . . . . .295

Hoofdstuk 2. De computer installeren . . . . . . . . . . . . .297

De computer aanzetten . . . . . . . . . . . . . . . . . . .301

De installatie van de software voltooien . . . . . . . . . . . . .301

Belangrijk om te doen . . . . . . . . . . . . . . . . . . .301

Het besturingssysteem bijwerken . . . . . . . . . . . . . . .302

Andere besturingssystemen installeren . . . . . . . . . . . . . .302

Antivirussoftware bijwerken . . . . . . . . . . . . . . . . .302

Het programma Setup Utility starten . . . . . . . . . . . . . .302

De computer afsluiten . . . . . . . . . . . . . . . . . . .303

Computergegevens noteren . . . . . . . . . . . . . . . . .303

Hoofdstuk 3. Software herstellen . . . . . . . . . . . . . .305

Herstelschijven maken en gebruiken . . . . . . . . . . . . . .305

Backup en herstel . . . . . . . . . . . . . . . . . . . .306

Het werkgebied van Rescue and Recovery gebruiken . . . . . . . .306

Herstelproblemen oplossen . . . . . . . . . . . . . . . . .309

Noodherstelmedia maken en gebruiken . . . . . . . . . . . . .310

Een Reparatiediskette maken en gebruiken . . . . . . . . . . . .310

Stuurprogramma’s installeren of herstellen . . . . . . . . . . . .311

Een herstelapparaat in de opstartvolgorde opgeven . . . . . . . . .312

Hoofdstuk 4. Informatie, hulp en service . . . . . . . . . . . .313

Informatie opvragen . . . . . . . . . . . . . . . . . . .313

Informatie over hulp en service . . . . . . . . . . . . . . . .313

Extra services aanschaffen . . . . . . . . . . . . . . . . .313

Hoofdstuk 5. Diagnose en probleemoplossing . . . . . . . . . .317

Elementaire probleemoplossing . . . . . . . . . . . . . . . .317

PC Doctor for DOS Diagnostics . . . . . . . . . . . . . . . .319

Bijlage A. Software-aanbod van IBM Lotus . . . . . . . . . . .321

Over IBM Lotus Notes . . . . . . . . . . . . . . . . . . .321

Over IBM Lotus SmartSuite . . . . . . . . . . . . . . . . .321

Klantenondersteuning . . . . . . . . . . . . . . . . . . .322

Internationale licentieovereenkomst . . . . . . . . . . . . . .322

Bewijs van Gebruiksrecht . . . . . . . . . . . . . . . . . .322

Aankoop van upgrades, aanvullende licenties en technische ondersteuning 322

Een CD bestellen . . . . . . . . . . . . . . . . . . . .322

Bijlage B. Door de klant vervangbare onderdelen (CRU’s) . . . . . .325

Bijlage C. Lenovo Garantieverklaring . . . . . . . . . . . . .327

Deel 1 - Algemene voorwaarden . . . . . . . . . . . . . . .327

Deel 2 - Landspecifieke voorwaarden . . . . . . . . . . . . . .331

Deel 3 - Garantie-informatie . . . . . . . . . . . . . . . . .346

Garantiesupplement voor Mexico . . . . . . . . . . . . . . .254

Bijlage D. Kennisgevingen . . . . . . . . . . . . . . . . .357

Kennisgeving televisieuitvoer . . . . . . . . . . . . . . . .358

Merken . . . . . . . . . . . . . . . . . . . . . . . .358

Elektronische emissie . . . . . . . . . . . . . . . . . . .359

Verklaring van de Federal Communications Commission (FCC) . . . . .359

Industry Canada: Verklaring van conformiteit met Klasse B . . . . . .360

Verklaring van conformiteit met EU-richtlijnen . . . . . . . . . .360

Vereisten van de Federal Communications Commission (FCC) en telefoon-

maatschappijen

. . . . . . . . . . . . . . . . . . . .361

Naslagboekje

Important safety information

Note

Please read important safety information first.

This information can help you safely use your desktop or notebook personal

computer. Follow and retain all information included with your computer. The

information in this document does not alter the terms of your purchase

agreement or the Lenovo Statement of Limited Warranty.

Customer safety is important. Our products are developed to be safe and

effective. However, personal computers are electronic devices. Power cords,

power adapters, and other features can create potential safety risks that can

result in physical injury or property damage, especially if misused. To reduce

these risks, follow the instructions included with your product, observe all

warnings on the product and in the operating instructions, and review the

information included in this document carefully. By carefully following the

information contained in this document and provided with your product, you

can help protect yourself from hazards and create a safer computer work

environment.

Note: This information includes references to power adapters and batteries. In

addition to notebook computers, some products (such as speakers and

monitors) ship with external power adapters. If you have such a

product, this information applies to your product. In addition, your

computer product may contain a coin-sized internal battery that

provides power to your system clock even when the machine is

unplugged, so the battery safety information applies to all computers.

Conditions that require immediate action

Products can become damaged due to misuse or neglect. Some product

damage is serious enough that the product should not be used again until it

has been inspected and, if necessary, repaired by an authorized servicer.

As with any electronic device, pay close attention to the product when it is

turned on. On very rare occasions, you might notice an odor or see a puff of

smoke or sparks vent from your machine. Or you might hear sounds like

popping, cracking or hissing. These conditions might merely mean that an

internal electronic component has failed in a safe and controlled manner. Or,

they might indicate a potential safety issue. However, do not take risks or

attempt to diagnose the situation yourself.

Frequently inspect your computer and its components for damage or wear or

signs of danger. If you have any question about the condition of a

component, do not use the product. Contact the Customer Support Center or

the product manufacturer for instructions on how to inspect the product and

have it repaired, if necessary. For a list of Service and Support phone

numbers, see “Worldwide telephone list” on page 54.

In the unlikely event that you notice any of the conditions listed below, or if

you have any safety concerns with your product, stop using the product and

unplug it from the power source and telecommunication lines until you can

speak to the Customer Support Center for further guidance.

v Power cords, plugs, power adapters, extension cords, surge protectors, or

power supplies that are cracked, broken or damaged.

v Signs of overheating, smoke, sparks or fire.

v Damage to a battery (such as cracks, dents, creases), discharge from a

battery, or a buildup of foreign substances on the battery.

v A cracking, hissing or popping sound, or strong odor that comes from the

product.

v Signs that liquid has been spilled or an object has fallen onto the computer

product, the power cord or power adapter.

v The computer product, the power cord or power adapter has been exposed

to water.

v The product has been dropped or damaged in any way.

v The product does not operate normally when you follow the operating

instructions.

Note:

If you notice these conditions with a product (such as an extension cord)

that is not manufactured for or by Lenovo, stop using that product until

you can contact the product manufacturer for further instructions, or

until you get a suitable replacement.

General safety guidelines

Always observe the following precautions to reduce the risk of injury and

property damage.

Service

Do not attempt to service a product yourself unless instructed to do so by the

Customer Support Center. Use only a service provider who is approved to

repair your particular product.

Note: Some parts can be upgraded or replaced by the customer. These parts

are referred to as Customer Replaceable Units, or CRUs. Lenovo

expressly identifies CRUs as such, and provides documentation with

vi Quick Reference

instructions when it is appropriate for customers to replace those parts.

You must closely follow all instructions when performing such

replacements. Always make sure that the power is turned off and that

the product is unplugged from any power source before you attempt the

replacement. If you have any questions or concerns, contact the

Customer Support Center.

Although there are no moving parts in your computer after the power cord has

been disconnected, the following warnings are required for proper UL

certification.

Danger

Hazardous moving parts. Keep fingers and other body parts away.

Attention

Before replacing any CRUs, turn off the computer and wait three to

five minutes to let the computer cool before opening the cover.

Power cords and power adapters

Use only the power cords and power adapters supplied by the product

manufacturer.

Never wrap a power cord around the power adapter or other object. Doing so

can stress the cord in ways that can cause the cord to fray, crack or crimp. This

can present a safety hazard.

Always route power cords so that they will not be walked on, tripped over, or

pinched by objects.

Important safety information vii

Protect the cord and power adapters from liquids. For instance, do not leave

your cord or power adapter near sinks, tubs, toilets, or on floors that are

cleaned with liquid cleansers. Liquids can cause a short circuit, particularly if

the cord or power adapter has been stressed by misuse. Liquids can also cause

gradual corrosion of the power cord terminals and/or the connector terminals

on the adapter which can eventually result in overheating.

Always connect power cords and signal cables in the correct order and ensure

that all power cord connectors are securely and completely plugged into

receptacles.

Do not use any power adapter that shows corrosion at the ac input pins

and/or shows signs of overheating (such as deformed plastic) at the ac input

or anywhere on the power adapter.

Do not use any power cords where the electrical contacts on either end show

signs of corrosion or overheating or where the power cord appears to have

been damaged in any way.

Extension cords and related devices

Ensure that extension cords, surge protectors, uninterruptible power supplies,

and power strips that you use are rated to handle the electrical requirements of

the product. Never overload these devices. If power strips are used, the load

should not exceed the power strip input rating. Consult an electrician for more

information if you have questions about power loads, power requirements, and

input ratings.

Plugs and outlets

If a receptacle (power outlet) that you intend to use with your computer

equipment appears to be damaged or corroded, do not use the outlet until it is

replaced by a qualified electrician.

Do not bend or modify the plug. If the plug is damaged, contact the

manufacturer to obtain a replacement.

Some products are equipped with a three-pronged plug. This plug fits only

into a grounded electrical outlet. This is a safety feature. Do not defeat this

safety feature by trying to insert it into a non-grounded outlet. If you cannot

insert the plug into the outlet, contact an electrician for an approved outlet

adapter or to replace the outlet with one that enables this safety feature. Never

overload an electrical outlet. The overall system load should not exceed 80

percent of the branch circuit rating. Consult an electrician for more information

if you have questions about power loads and branch circuit ratings.

viii Quick Reference

Be sure that the power outlet you are using is properly wired, easily accessible,

and located close to the equipment. Do not fully extend power cords in a way

that will stress the cords.

Carefully connect and disconnect the equipment from the electrical outlet.

Batteries

All personal computers manufactured by Lenovo contain a non-rechargeable

coin cell battery to provide power to the system clock. In addition, many

mobile products, such as notebook computers, utilize a rechargeable battery

pack to provide system power when in portable mode. Batteries supplied by

Lenovo for use with your product have been tested for compatibility and

should only be replaced with approved parts.

Never attempt to open or service any battery. Do not crush, puncture, or

incinerate batteries or short circuit the metal contacts. Do not expose the

battery to water or other liquids. Only recharge the battery pack strictly

according to instructions included in the product documentation.

Battery abuse or mishandling can cause the battery to overheat, which can

cause gasses or flame to “vent” from the battery pack or coin cell. If your

battery is damaged, or if you notice any discharge from your battery or the

buildup of foreign materials on the battery leads, stop using the battery and

obtain a replacement from the battery manufacturer.

Batteries can degrade when they are left unused for long periods of time. For

some rechargeable batteries (particularly Lithium Ion batteries), leaving a

battery unused in a discharged state could increase the risk of a battery short

circuit, which could shorten the life of the battery and can also pose a safety

hazard. Do not let rechargeable Lithium-Ion batteries completely discharge or

store these batteries in a discharged state.

Heat and product ventilation

Computers generate heat when turned on and when batteries are charging.

Notebook PCs can generate a significant amount of heat due to their compact

size. Always follow these basic precautions:

v Do not leave the base of your computer in contact with your lap or any part

of your body for an extended period when the computer is functioning or

when the battery is charging. Your computer produces some heat during

normal operation. Extended contact with the body could cause discomfort

or, potentially, a skin burn.

v Do not operate your computer or charge the battery near flammable

materials or in explosive environments.

v Ventilation slots, fans and/or heat sinks are provided with the product for

safety, comfort, and reliable operation. These features might inadvertently

Important safety information ix

become blocked by placing the product on a bed, sofa, carpet, or other

flexible surface. Never block, cover or disable these features.

You

should inspect your desktop computer for dust accumulation at least once

every three months. Before inspecting your computer, turn off the power and

unplug the computer’s power cord from the electrical outlet; then remove any

dust from vents and perforations in the bezel. If you notice external dust

accumulation, you should also examine and remove dust from the inside of the

computer including heat sink inlet fins, power supply vents, and fans. Always

turn off and unplug the computer before opening the cover. If possible, avoid

operating your computer within 2 feet of high-traffic areas. If you must operate

your computer in or near a high-traffic area, you should inspect and, if

necessary, clean your computer more frequently.

For your safety and to maintain optimum computer performance, always

follow these basic precautions with your desktop computer:

v Keep the cover closed whenever the computer is plugged in.

v Regularly inspect the outside of the computer for dust accumulation.

v Remove dust from vents and any perforations in the bezel. More frequent

cleanings might be required for computers in dusty or high-traffic areas.

v Do not restrict or block any ventilation openings.

v Do not store or operate your computer inside furniture, as this might

increase the risk of overheating.

v Airflow temperatures into the computer should not exceed 35° C (95° F).

v Do not use non-desktop air filtration devices.

CD and DVD drive safety

CD and DVD drives spin discs at a high speed. If a CD or DVD is cracked or

otherwise physically damaged, it is possible for the disc to break apart or even

shatter when the CD drive is in use. To protect against possible injury due to

this situation, and to reduce the risk of damage to your machine, do the

following:

v Always store CD/DVD discs in their original packaging

v Always store CD/DVD discs out of direct sunlight and away from direct

heat sources

v Remove CD/DVD discs from the computer when not in use

v Do not bend or flex CD/DVD discs, or force them into the computer or their

packaging

v Check CD/DVD discs for cracks before each use. Do not use cracked or

damaged discs

x Quick Reference

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Lenovo ThinkCentre E51 Guide de référence

Lenovo ThinkCentre E51 Guide de référence

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