Dell Precision 490 Manuel d'utilisateur Page 40
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40 Quick Reference Guide
Diagnostic Light Codes During POST
The power light displays a solid green for diagnostic light codes during POST.
(blinking)
amber A possible failure has been
detected in a plug-in
component such as a graphics
riser card or memory
riser card.
Verify that any required power cables are
connected to the memory and graphics
riser cards.
Perform the procedure in "Power Problems"
in your User’s Guide.
(blinking)
amber A possible power supply
failure has occurred.
Verify that both power supply cables are
plugged in to the motherboard.
Light Pattern Problem Description Suggested Resolution
A possible processor failure has
occurred.
Reinstall the processor and restart the computer.
A possible expansion card failure
has occurred.
1
Determine if a conflict exists by removing a card
(not the graphics card) and then restarting the computer.
2
If the problem persists, reinstall the card that you
removed, remove a different card, and then restart the
computer.
3
Repeat this process for each card. If the computer starts
normally, troubleshoot the last card removed from the
computer for resource conflicts (see "Resolving Software
and Hardware Incompatibilities" on page 32).
4
If the problem persists, contact Dell
.
A possible graphics card failure
has occurred.
1
If the computer has a graphics card, remove the card,
reinstall it, and then restart the computer.
2
If the problem still exists, install a graphics card that
you know works and restart the computer.
3
If the problem persists or the computer has integrated
graphics, contact Dell
.
A possible floppy or hard drive
failure has occurred.
Reseat all power and data cables and restart the computer.
Diagnostic Lights Power
Light
Problem Description Suggested Resolution
- Quick Reference Guide 1
- Notes, Notices, and Cautions 2
- Abbreviations and Acronyms 2
- Contents 3
- 4 Contents 4
- Finding Information 5
- 6 Quick Reference Guide 6
- 8 Quick Reference Guide 8
- 10 Quick Reference Guide 10
- Depending on your graphics 10
- NOTE: You may need to use 10
- 12 Quick Reference Guide 12
- NOTE: If your 13
- NOTE: If your computer 15
- 16 Quick Reference Guide 16
- About Your Computer 19
- 20 Quick Reference Guide 20
- Back View (Tower Orientation) 21
- Back Panel Connectors 22
- 24 Quick Reference Guide 24
- Inside View 26
- System Board Components 28
- Cable Colors 29
- Removing the Computer Cover 30
- Troubleshooting Tips 32
- Using Microsoft 33
- XP System Restore 33
- Enabling System Restore 34
- Before You Start Testing 36
- Error Messages 38
- 40 Quick Reference Guide 40
- 42 Quick Reference Guide 42
- NOTE: The diagnostic lights 42
- Frequently Asked Questions 43
- 44 Quick Reference Guide 44
- Index 45 45
- Guide de référence rapide 47
- Abréviations et sigles 48
- Sommaire 49
- 50 Sommaire 50
- Recherche d'informations 51
- 52 Guide de référence rapide 52
- 54 Guide de référence rapide 54
- 58 Guide de référence rapide 58
- REMARQUE : si votre 59
- 62 Guide de référence rapide 62
- 66 Guide de référence rapide 66
- REMARQUE : 67
- 68 Guide de référence rapide 68
- 70 Guide de référence rapide 70
- 72 Guide de référence rapide 72
- Vue interne 73
- 74 Guide de référence rapide 74
- Couleur des câbles 76
- Conseils de dépannage 79
- Avant de commencer un test 83
- 84 Guide de référence rapide 84
- Messages d'erreur 85
- 86 Guide de référence rapide 86
- 88 Guide de référence rapide 88
- Questions fréquemment posées 90
- 92 Guide de référence rapide 92
- Index 93 93
- Schnellreferenzhandbuch 95
- Abkürzungen und Akronyme 96
- 98 Inhalt 98
- Informationsquellen 99
- 100 Schnellreferenzhandbuch 100
- 102 Schnellreferenzhandbuch 102
- ANMERKUNG: Unter 104
- 104 Schnellreferenzhandbuch 104
- Je nach Grafikkarte kann der 104
- Weise angeschlossen werden 104
- 106 Schnellreferenzhandbuch 106
- ANMERKUNG: Wenn 107
- 110 Schnellreferenzhandbuch 110
- Vorderansicht (Tower-Version) 113
- 114 Schnellreferenzhandbuch 114
- Rückansicht (Tower-Version) 115
- Anschlüsse an der Rückseite 116
- 118 Schnellreferenzhandbuch 118
- Rückansicht (Desktop-Version) 120
- Innenansicht 121
- Komponenten der Systemplatine 123
- Kabelfarben 124
- Benutzerhandbuch 125
- Entfernen der Systemabdeckung 125
- Tipps zur Fehlerbehebung 127
- Windows 128
- Schnellreferenzhandbuch 129 129
- Dell Diagnostics 130
- Einsatz von Dell Diagnostics 130
- Vor dem Test 132
- Fehlermeldungen 133
- Diagnoseanzeigen 134
- 136 Schnellreferenzhandbuch 136
- 138 Schnellreferenzhandbuch 138
- ANMERKUNG: Die Diagnose 139
- 140 Schnellreferenzhandbuch 140
- 142 Schnellreferenzhandbuch 142
- Index 143 143
- Guida di consultazione rapida 145
- Abbreviazioni e acronimi 146
- Sommario 147
- 148 Sommario 148
- Ricerca di informazioni 149
- A seconda della scheda 154
- NOTA: può essere neces 154
- NOTA: se il computer 157
- NOTA: può essere necessario 159
- Informazioni sul computer 163
- Vista interna 171
- Colore dei cavi 174
- Manutenzione del computer 177
- Soluzione di problemi 177
- Prima di avviare le verifiche 181
- Codici bip 182
- Messaggi di errore 183
- NOTA: gli indicatori di 188
- Domande frequenti 189
- Indice 191 191
- Guía de referencia rápida 193
- Notas, avisos y precauciones 194
- Abreviaturas y siglas 194
- Contenido 195
- 196 Contenido 196
- Localización de información 197
- 198 Guía de referencia rápida 198
- 200 Guía de referencia rápida 200
- 202 Guía de referencia rápida 202
- Según la tarjeta gráfica 202
- NOTA: para conectar el 202
- 204 Guía de referencia rápida 204
- NOTA: si el ordenador 205
- 208 Guía de referencia rápida 208
- Acerca del ordenador 211
- 212 Guía de referencia rápida 212
- 214 Guía de referencia rápida 214
- 216 Guía de referencia rápida 216
- 218 Guía de referencia rápida 218
- Vista interior 219
- 220 Guía de referencia rápida 220
- Componentes de la placa base 221
- Colores de los cables 222
- Mantenimiento del ordenador 225
- Solución de problemas 225
- Guía de referencia rápida 229 229
- Códigos de sonido 230
- Mensajes de error 231
- 232 Guía de referencia rápida 232
- 234 Guía de referencia rápida 234
- 236 Guía de referencia rápida 236
- Preguntas frecuentes 237
- 238 Guía de referencia rápida 238
- Índice 239 239
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