Lenovo ThinkCentre E51 Guide de référence

Taper
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)
© Copyright Lenovo 2005.
Portions © Copyright International Business Machines Corporation 2005.
All rights reserved.
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
© Lenovo 2005. Portions © IBM Corp. 2005. iii
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
© Lenovo 2005. Portions © IBM Corp. 2005.
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
© Lenovo 2005. Portions © IBM Corp. 2005.
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
© Lenovo 2005. Portions © IBM Corp. 2005.
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
© Lenovo 2005. Portions © IBM Corp. 2005.
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.
© Lenovo 2005. Portions © IBM Corp. 2005. v
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

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Guide de référence