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Dell OptiPlex 755 Quick Reference Guide - Page 14

Before Working Inside Your Computer, NOTICE, CAUTION - used

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NOTICE: Ensure that the computer and all attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for about 4 seconds to turn them off. Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide. CAUTION: Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold a component such as a processor by its edges, not by its pins. NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned. NOTICE: To avoid damaging the computer, perform the following steps before you begin working inside the computer. 1 Turn off your computer. 2 If the computer is connected to a docking device (docked), undock it. See the documentation that came with your docking device for instructions. NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack. 3 Disconnect all telephone or network cables from the computer. 4 Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board. 5 If applicable, remove the computer stand (for instructions, see the documentation that came with the stand) and the cable cover, if attached (see "Cable Cover (Optional)" on page 57). 14 Quick Reference Guide

Section	Page
Dell™ OptiPlex™ 755 Quick Reference Guide	1
Contents	3
Finding Information	5
Setting Up Your Computer	10
Set Up Your Keyboard and Mouse	11
Set Up Your Monitor	12
Power Connections	12
Before You Begin	13
Recommended Tools	13
Turning Off Your Computer	13
Before Working Inside Your Computer	14
Mini Tower Computer	16
System Views	16
Removing the Computer Cover	22
Inside Your Computer	24
System Board Components	25
Jumper Settings	26
Desktop Computer	27
System Views	27
Removing the Computer Cover	32
Inside Your Computer	33
System Board Components	35
Jumper Settings	36
Small Form Factor Computer	37
System Views	37
Removing the Computer Cover	43
Inside Your Computer	44
System Board Components	46
Jumper Settings	47
Ultra Small Form Factor Computer	48
System Views	48
Removing the Computer Cover	55
Inside Your Computer	56
Cable Cover (Optional)	57
System Board Components	59
Jumper Settings	60
Solving Problems	61
Dell Diagnostics	61
System Lights	65
Diagnostic Lights	66
Beep Codes	70
Resolving Software and Hardware Incompatibilities	72
Restoring Your Operating System	73
Using Microsoft Windows System Restore	73
Using Dell™ PC Restore and Dell Factory Image Restore	75
Using the Drivers and Utilities Media	78
Reinstalling Drivers and Utilities	79
Index	83
Guide de référence rapide du Dell™ OptiPlex™ 755	87
Table des matières	89
Recherche d'informations	91
Configuration de votre ordinateur	96
Installation du clavier et de la souris	98
Installation du moniteur	98
Connexions de l'alimentation	99
Avant de commencer	99
Outils recommandés	99
Mise hors tension de votre ordinateur	100
Avant d'intervenir à l'intérieur de votre ordinateur	100
Ordinateur mini-tour	102
Vues du système	102
Retrait du capot de l'ordinateur	108
À l'intérieur de votre ordinateur	110
Composants de la carte système	111
Paramètres des cavaliers	112
Ordinateur de bureau	113
Vues du système	113
Retrait du capot de l'ordinateur	119
L’intérieur de votre ordinateur	120
Composants de la carte système	122
Paramètres des cavaliers	123
Ordinateur compact	124
Vues du système	124
Retrait du capot de l'ordinateur	130
À l’intérieur de votre ordinateur	131
Composants de la carte système	133
Paramètres des cavaliers	134
Ordinateur ultra compact	135
Vues du système	135
Retrait du capot de l'ordinateur	142
À l’intérieur de votre ordinateur	144
Cache-câble (en option)	145
Composants de la carte système	147
Paramètres des cavaliers	148
Résolution des problèmes	149
Dell Diagnostics	149
Voyants du système	154
Voyants de diagnostic	156
Codes sonores	163
Résolution des problèmes d'incompatibilité logicielle ou matérielle	164
Restauration du système d'exploitation	165
Utilisation de la fonction Restauration du système de Microsoft Windows	166
Utilisation de Dell™ PC Restore et Dell Factory Image Restore	167
Utilisation du support Drivers and Utilities	170
Réinstallation des pilotes et des utilitaires	171
Index	175
Guía de referencia rápida de Dell™ OptiPlex™ 755	179
Contenido	181
Búsqueda de información	183
Configuración del ordenador	188
Configurar el teclado y el ratón	190
Configurar el monitor	190
Conexiones de alimentación	191
Antes de empezar	191
Herramientas recomendadas	191
Cómo apagar el ordenador	192
Antes de manipular el interior del ordenador	192
Ordenador de minitorre	194
Vistas del sistema	194
Cómo quitar la cubierta del ordenador	200
Interior de su equipo	202
Componentes de la placa base	203
Configuración de puentes	204
Ordenador de sobremesa	205
Vistas del sistema	205
Cómo quitar la cubierta del ordenador	210
Interior de su ordenador	212
Componentes de la placa base	213
Configuración de puentes	214
Ordenadores de formato reducido	215
Vistas del sistema	215
Cómo quitar la cubierta del ordenador	221
Interior de su ordenador	222
Componentes de la placa base	224
Configuración de puentes	225
Ordenador de formato ultrareducido	226
Vistas del sistema	226
Cómo quitar la cubierta del ordenador	233
Interior de su ordenador	234
Cubierta de los cables (opcional)	235
Componentes de la placa base	237
Configuración de puentes	238
Solución de problemas	239
Dell Diagnostics	239
Indicadores del sistema	244
Indicadores de diagnóstico	246
Códigos de sonido	251
Resolución de incompatibilidades de software y hardware	252
Restauración del sistema operativo	253
Cómo utilizar la función Restaurar sistema de Microsoft Windows	254
Uso de Dell™ PC Restore y Dell Factory Image Restore	255
Uso del soporte multimedia Drivers and Utilities (Controladores y utilidades)	259
Reinstalación de controladores y utilidades	260

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Quick Reference Guide

NOTICE:

Ensure that the computer and all attached devices are turned off. If your

computer and attached devices did not automatically turn off when you shut down

your operating system, press and hold the power button for about 4 seconds to turn

them off.

Before Working Inside Your Computer

Use the following safety guidelines to help protect your computer from

potential damage and to help ensure your own personal safety.

CAUTION:

Before you begin any of the procedures in this section, follow the

safety instructions in the

Product Information Guide

CAUTION:

Handle components and cards with care. Do not touch the components

or contacts on a card. Hold a card by its edges or by its metal mounting bracket.

Hold a component such as a processor by its edges, not by its pins.

NOTICE:

Only a certified service technician should perform repairs on your

computer. Damage due to servicing that is not authorized by Dell is not covered by

your warranty.

NOTICE:

When you disconnect a cable, pull on its connector or on its strain-relief

loop, not on the cable itself. Some cables have a connector with locking tabs; if you

are disconnecting this type of cable, press in on the locking tabs before you

disconnect the cable. As you pull connectors apart, keep them evenly aligned to

avoid bending any connector pins. Also, before you connect a cable, ensure that

both connectors are correctly oriented and aligned.

NOTICE:

To avoid damaging the computer, perform the following steps before you

begin working inside the computer.

Turn off your computer.

If the computer is connected to a docking device (docked), undock it. See

the documentation that came with your docking device for instructions.

NOTICE:

To disconnect a network cable, first unplug the cable from your computer

and then unplug it from the network wall jack.

Disconnect all telephone or network cables from the computer.

Disconnect your computer and all attached devices from their electrical

outlets, and then press the power button to ground the system board.

If applicable, remove the computer stand (for instructions, see the

documentation that came with the stand) and the cable cover, if attached

(see "Cable Cover (Optional)" on page 57).