Dell DCDO manual Network Problems, Power Problems, Diagnostic Lights on

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Network Problems

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

C H E C K T H E N E T W O R K L I G H T O N T H E F R O N T O F T H E C O M P U T E R If the link integrity light is off (see "Controls and Lights" in your User’s Guide), no network communication is occurring. Replace the network cable.

C H E C K T H E N E T W O R K C A B L E C O N N E C T O R Ensure that the network cable is firmly inserted into the network connector on the back of the computer and the network jack.

R E S T A R T T H E C O M P U T E R A N D A T T E M P T T O L O G O N T O T H E N E T W O R K A G A I N

C H E C K Y O U R N E T W O R K S E T T I N G S Contact your network administrator or the person who set up your network to verify that your network settings are correct and that the network is functioning.

R U N T H E H A R D W A R E TR O U B L E S H O O T E R See "Restoring Your Operating System"

in your User’s Guide.

Power Problems

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

I F T H E P O W E R L I G H T I S G R E E N A N D T H E C O M P U T E R I S N O T R E S P O N D I N G See

"Diagnostic Lights" on page 26.

I F T H E P O W E R L I G H T I S B L I N K I N G G R E E N The computer is in standby mode. Press a key on the keyboard, move the mouse, or press the power button to resume normal operation.

I F T H E P O W E R L I G H T I S O F F The computer is either turned off or is not receiving power.

Reseat the power cable in the power connector on the back of the computer and the electrical outlet.

Bypass power strips, power extension cables, and other power protection devices to verify that the computer turns on properly.

Ensure that any power strips being used are plugged into an electrical outlet and are turned on.

Ensure that the electrical outlet is working by testing it with another device, such as a lamp.

Ensure that the main power cable and front panel cable are securely connected to the system board (see "System Board Components" in your User’s Guide).

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Quick Reference Guide

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Contents Dell Precision T7400 Quick Reference Guide September YT561 Contents Contents Drivers and Utilities Disc Finding InformationWhat Are You Looking For? Find It Here Dell Precision User’s GuideService Tag and Microsoft Windows Product Key Warranty informationDell Product Information Guide Dell Support Website support.dell.com Click Start→ Help and Support Windows Help and Support CenterOperating System Disc Changing Between Tower and Desktop Orientations Setting Up Your ComputerSwitching From Tower to Desktop Orientation Dell Supported Linux SitesInstalling Your Computer in an Enclosure Switching From Desktop to Tower OrientationQuick Reference Guide Quick Reference Guide Transferring Information to a New Computer Microsoft Windows XPUnder Now go to your old computer, click Next E a T E a W I Z a R D D I S K Power Protection Devices Microsoft Windows VistaSurge Protectors Uninterruptible Power SuppliesLine Conditioners 5.25-inch About Your ComputerFront View Tower Orientation Drive baysConnectors When a device such as your CD drive is operatingConnector Power buttonOne PCI-X slot Power connector Connect the power cable Card slotsBack View Tower Orientation Back panelBack Panel Connectors USB connector When setting up multiple network connections such asKeys, cameras, or bootable USB devices Setup in you User’s GuideComputer, Keyboard, and Monitor Cleaning Your ComputerMouse Non-Optical Floppy Drive Troubleshooting ToolsPower Lights CDs and DVDsQuick Reference Guide Suggested Resolution Diagnostic LightsDiagnostic Light Codes During Post Light PatternLight Pattern Problem Description Suggested Resolution Light Pattern Card you removed, and then remove If the problem persists, reinstallCard installed. If the computer starts Different card and restartCode Cause Beep CodesCode Description Suggested Remedy Repetitive Short beeps System Messages Ensure that the memory you are using isIf the problem persists, contact Dell see Supported by your computerFix a Problem section, click Hardware Troubleshooter Hardware TroubleshooterWhen to Use the Dell Diagnostics Dell DiagnosticsStarting the Dell Diagnostics From Your Hard Drive Quick Reference Guide Dell Diagnostics Main Menu Option FunctionTab Function Test based on the symptom of the problem you are havingTo your computer Drive Problems TroubleshootingBattery Problems Click Start and click My ComputerHard Drive Problems Optical Drive ProblemsProblems Writing to an Optical Drive Management modesClick Start and click Computer Right-click Local Disk C Mail, Modem, and Internet ProblemsClick Properties→ Tools→ Check Now Click Start→ All Programs→ Modem Helper Error MessagesClick Start → All Programs→ Modem Diagnostic Tool Do not use these characters in filenamesSee the program documentation for installation instructions Ieee 1394 Device ProblemsClick Uninstall System Setup Options in your User’s GuideSee Contacting Dell in your User’s Guide Keyboard ProblemsLockups and Software Problems Contact the Ieee 1394 device manufacturerClick End Task Computer stops respondingProgram stops responding Program crashes repeatedlyOther software problems Memory ProblemsSolid blue screen appears Simultaneously press CtrlEsc to display the Start menu Mouse ProblemsAdjust the settings as needed Click Start→ Control Panel→ MousePower Problems Network ProblemsDiagnostic Lights on Printer Problems If the printer is listed, right-click the printer iconIf your scanner is listed, Windows recognizes the scanner Scanner ProblemsClick Start → Control Panel→ Hardware and Sound→ Printer If the scanner is listed, Windows recognizes the scannerNo sound from headphones Sound and Speaker ProblemsNo sound from speakers Video and Monitor Problems Screen is blankScreen is difficult to read 3D image quality is poor Click Start→ Control Panel→ Appearance and ThemesOnly part of the screen is readable Index IndexIndex Index Index Index Index Dell Precision T7400 Guide de référence rapide Remarques, avis et précautions Propos de votre ordinateur Configuration de votre ordinateurNettoyage de votre ordinateur Table des matières Que recherchez-vous ? Trouvez-le ici Recherche dinformationsRemarque Le disque Drivers Disque Drivers and UtilitiesCliquez sur Démarrer→ Aide et Guide dutilisation Dell PrecisionDell→ Guides système Service express Le numéro de service et le code deNuméro de service et clé du produit Microsoft WindowsEt questions fréquemment posées Que recherchez-vous ?Articles de techniciens, cours en ligne Forum clients Discussion en ligneRemarque Linterface utilisateur Configuration Utilities UtilitairesCliquez sur Drivers & Downloads SélectionsRemarque La couleur du disque Dinstallation du système dexploitationDisque Operating System Sites Dell dinformations sur LinuxPassage du mode tour en mode bureau Configuration de votre ordinateurPassage du mode tour au mode bureau Installation de votre ordinateur dans un espace fermé Passage du mode bureau au mode tourGuide de référence rapide Guide de référence rapide Transfert dinformations vers un nouvel ordinateur Cliquez sur Suivant Cliquez sur Démarrer→ Exécuter Microsoft Windows Vista Filtres de ligne Protecteurs de surtensionOnduleurs Vue avant mode tour Propos de votre ordinateurFace avant Baie de lecteurPouces avec Spéciale pourVue arrière mode tour Connecteurs du panneau arrière Un réseau à 100 Mbps et lordinateur Voyant dintégritéDe la liaison Réseau à 10 Mbps et lordinateur Lordinateur et un réseau à 1000 Mbps soit 1 GbpsOrdinateur, clavier et moniteur Nettoyage de votre ordinateurSouris non optique CD et DVD Outils de dépannageLecteur de disquette Voyants dalimentationGuide de référence rapide Voyants de diagnostic Panne possible Réinstallez le processeur voir Du processeurGraphique au fonctionnement connu Le cas échéant, installez une carteVoir «Pour prendre contact avec Dell» Dans votre ordinateurLa carte système Carte retirée, puis enlevez une autre Si lincident persiste, réinstallez laChaque carte installée. Si lordinateur Carte et redémarrez lordinateurCodes sonores Couleurs des voyants Description duCode Description RépétitifsMessages système Damorçage dans le lecteur et redémarrez lordinateur Quand utiliser Dell Diagnostics Dépanneur des conflits matérielsDémarrage de Dell Diagnostics à partir du disque dur Jusquà lapparition du Boot Device Menu Menu de démarrage Menu principal de Dell Diagnostics Option FonctionOnglet Fonction DépannageTous les périphériques connectés Problèmes de lecteur Problèmes de pileCliquez sur Démarrer, puis cliquez sur Poste de travail Problèmes décriture vers un lecteur optique Problèmes de lecteur optique100 101 Problèmes de disque durCliquez sur Propriétés→ Outils→ Vérifier maintenant 102 Nutilisez pas ces caractères dans les noms de fichiers Messages derreur103 Une disquette, un CD ou un DVD amorçableProblèmes de clavier Cliquez sur Démarrer, puis sur Panneau de configurationProblèmes de périphérique Ieee 104Lordinateur ne démarre pas Problèmes de blocage et problèmes logiciels105 Lordinateur ne répond plusUn écran bleu uni apparaît 106Un programme se bloque fréquemment Autres problèmes logicielsProblèmes de mémoire 107Problèmes de réseau Cliquez sur Démarrer→ Panneau de configuration→ SourisProblèmes de souriss 108Problèmes dalimentation Voir «Voyants de diagnostic» à la109 Problèmes dimprimante 110Si votre scanner est répertorié, Windows le reconnaît Problèmes de scanner111 Si le scanner est répertorié, Windows le reconnaîtLes haut-parleurs némettent aucun son Problèmes de son et de haut-parleurs112 Les écouteurs némettent aucun son113 Incidents liés à laffichage et au moniteurLécran est vide 114 Lécran est difficilement lisibleLa qualité de limage 3D est insuffisante 115Seule une partie de lécran est lisible 116 117 118 119 Smart 120121 122 Dell Precision T7400 Guia de referência rápida Observações, avisos e cuidados 125 126 Que está procurando? Como obter informações127 Disco Drivers and Utilities Drivers e utilitáriosGuia do usuário do Dell Precision 128Que está procurando? Encontre aqui Guias do sistemaCódigo de serviço expresso 129Etiqueta de serviço Em inglês 130Negócios para ver o site de suporte 131 Sistema operacional adquirido 132Disco do sistema operacional Sites Linux apoiados pela DellComo mudar da orientação em torre para a orientação de mesa Como configurar o seu computadorComo alternar entre as orientações de torre e de mesa 133Como mudar da orientação de mesa para a orientação em torre Como instalar o computador em um compartimento134 135 136 Como transferir informações para um novo computador 137138 139 Clique em Iniciar→ Executar 140Estabilizadores de linha Dispositivos de proteção de energiaProtetores contra surtos de tensão 141Fontes de alimentação ininterrupta UPS 142Vista frontal orientação de torre Sobre o computador143 144 Vista traseira orientação de torre 145Conectores do painel traseiro 146147 Mouse convencional não óptico Como limpar o computadorComputador, teclado e monitor 148CDs e DVDs Ferramentas para a solução de problemasUnidade de disquetes Luzes de energia150 151 Luzes de diagnósticoCódigos das luzes de diagnóstico durante o Post Padrão das luzesPadrão das luzes Descrição do problema Solução proposta 152153 154 Ocorreu outra falha Certifique-se de que todos os cabos das Códigos de bipe155 Código Causa156 Código Descrição Solução proposta BipesCódigo Descrição Mensagens do sistema157 Bipes Curtos repetitivos158 Disquete inicializável e reinicie o computadorQuando usar o Dell Diagnostics Solucionador de problemas de hardware159 Como iniciar o Dell Diagnostics pelo disco rígido 160161 162 Menu principal do Dell DiagnosticsOpção Função Guia Função Solução de problemas163 Dispositivos conectados164 Problemas na bateriaProblemas nas unidades Clique em Iniciar e clique em Meu ComputadorProblemas de disco rígido Problemas de unidade ópticaProblemas de gravação em uma unidade óptica 165166 Problemas de e-mail, de modem e de InternetClique em Propriedades→ Ferramentas→ Verificar agora 167 Mensagens de erroClique em Iniciar→ Todos os programas→ Auxiliar de modem 168 169 Problemas em dispositivos IeeeProblemas de teclado Clique em Iniciar e clique em Painel de controleComputador não inicia Problemas de travamento e de software170 Computador pára de responderUm programa trava repetidamente Outros problemas de software171 Uma tela inteiramente azul apareceProblemas de mouse Problemas de memória172 173 Problemas de redeAjuste as configurações conforme a necessidade Clique em Iniciar→ Painel de controle→ MouseProblemas de fornecimento de energia 174Problemas da impressora 175176 Problemas de scannerOs alto-falantes não emitem sons 177 Problemas de vídeo e de monitorOs fones de ouvido não emitem sons Tela está vazia 178Se for difícil ler a tela Interferência 179Clique em Iniciar→ Painel de controle→ Aparência e temas Qualidade da imagem 3D é ruim 180Apenas uma parte da tela está legível 181 Índice remissivo182 183 184 185 186 Dell Precision T7400 Guía de referencia rápida Notas, avisos y precauciones 189 190 ¿Qué busca? Localización de información191 Disco Drivers and Utilities Controladores y utilidadesGuía del usuario de Dell Precision 192¿Qué busca? Aquí lo encontrará Usuario de Dell→ Guías del sistemaDe Microsoft Windows 193Agujero para evitar que se quite Guía de referencia rápida Support.dell.com 194Sitio Web de soporte técnico de Dell Técnica apropiadoCentro de ayuda y soporte técnico 195De Windows Que haya pedido 196Disco del sistema operativo Sitios de Linux compatibles con DellCambio de la orientación de torre a la escritorio Configuración de su equipoCambio entre las orientaciones de torre y de escritorio 197Cambio de la orientación de escritorio a la de torre Instalación del equipo en un lugar cerrado198 199 200 Transferencia de la información a un equipo nuevo 201202 203 204 Protectores contra sobretensión Dispositivos de protección de la alimentación205 Sistemas de alimentación ininterrumpida Acondicionadores de línea206 Vista frontal orientación de torre Acerca de su equipo207 208 Vista posterior orientación de torre 209Conectores del panel posterior 210211 Ratón no óptico Limpieza del equipoEquipo, teclado y monitor 212CD y DVD Herramientas para la solución de problemasUnidad de disco flexible Indicadores luminosos de alimentación214 Indicadores luminosos de diagnóstico 215216 217 218 219 Indicadores Problema LuminososCódigos de sonido Patrón de Descripción delCódigo Descripción 220Sonidos 221 Mensajes del sistemaCódigo Descripción Remedio sugerido Sonidos 222 Haga clic en Inicio→ Ayuda y soporte técnico 223Inicio de Dell Diagnostics desde la unidad de disco duro Cuándo usar los Dell Diagnostics224 225 226 Menú principal de Dell Diagnostics Diagnósticos DellOpción Función La lista de dispositivos del panel izquierdo de la pantalla 227Ficha Función De todos los dispositivos conectados a élProblemas con la batería Solución de problemas228 Problemas de la unidad óptica Problemas con las unidades229 Problemas con el correo electrónico, el módem e Internet Problemas para grabar en una unidad ópticaProblemas con la unidad de disco duro 230231 Mensajes de error 232Inserte un disco en la unidad y vuelva a intentarlo Problemas con el dispositivo Ieee233 Disquete, un CD o un DVD de inicio234 Problemas con el tecladoBloqueos y problemas con el software El equipo no se iniciaUn programa no responde 235El equipo no responde Haga clic en Finalizar tarea236 Problemas con la memoriaOtros problemas con el software Aparece una pantalla azul fijaPulse CtrlEsc simultáneamente para mostrar el menú Inicio Problemas con el ratón237 Haga clic en Inicio→ Panel de control→ Mouse238 Problemas de redProblemas con la alimentación Página239 De problemas Problemas con la impresora240 241 Problemas con el escánerIncluida con el escáner para obtener instrucciones 242 Problemas con el sonido y los altavocesLos altavoces no emiten ningún sonido Los auriculares no emiten ningún sonido Problemas con el vídeo y el monitor243 La pantalla aparece en blanco244 Resulta difícil leer la pantallaLa calidad de imagen 3D es mala 245Haga clic en Inicio→ Panel de control→ Apariencia y temas Solo se puede leer parte de la pantalla246 247 248 249 250 251 252
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DCDO specifications

The Dell DCDO, C100J, represents a significant advancement in the realm of data center technology, focusing on providing enhanced operational efficiency, scalability, and improved performance. Designed with modern enterprises in mind, the C100J integrates cutting-edge features that cater to an array of data center needs.

One of the standout features of the Dell C100J is its modular architecture. This design allows organizations to expand their infrastructure incrementally, ensuring that they can scale according to their growth requirements without incurring hefty upfront costs. The modularity of the C100J makes it versatile, allowing it to adapt to varying workloads and applications efficiently.

Performance-wise, the Dell C100J is equipped with high-speed processing capabilities. It supports the latest generation of Intel Xeon processors, which provide substantial processing power while maintaining energy efficiency. This ensures that enterprises can run demanding applications seamlessly, from data analytics to virtualization, all while consuming less power compared to older models.

Networking is another critical aspect of the Dell C100J. It comes with advanced networking options, including support for 25GbE and 40GbE interfaces, facilitating faster data transmission and reduced latency. This feature is especially beneficial for organizations with high data throughput requirements, enabling them to handle large data sets and ensure quick access to critical information.

Storage flexibility is integral to the Dell DCDO's appeal. The C100J can support various storage options, including SSDs for high-performance tasks and HDDs for cost-effective data storage. Its RAID support further enhances data security and performance, giving users peace of mind regarding data integrity.

Additionally, the Dell C100J is designed with a focus on energy efficiency and Lifecycle management. Its innovative cooling technology optimizes airflow, reducing energy consumption while ensuring that components operate within optimal thermal conditions. This results in lower operational costs and supports corporate sustainability initiatives.

Moreover, management features such as Dell's OpenManage software provide seamless monitoring and management of hardware configurations, firmware updates, and system health checks, enabling IT teams to focus more on strategic initiatives rather than routine maintenance.

In summary, the Dell DCDO, C100J encapsulates a blend of performance, flexibility, and efficiency. Its modular design, high-speed processing capabilities, advanced networking features, and robust management tools make it an ideal choice for enterprises aiming to enhance their data center operations while preparing for future growth.