Dell Precision 7550 Serviceanleitung Seite 5

Installing the system board...........................................................................................................................................64
GPU-Karte............................................................................................................................................................................67
Entfernen der GPU-Karte.............................................................................................................................................67
Installieren der GPU-Karte........................................................................................................................................... 68
Lautsprecher........................................................................................................................................................................ 68
Removing the speaker.................................................................................................................................................. 68
Installing the speaker.....................................................................................................................................................69
Mittlere Abdeckung..............................................................................................................................................................71
Removing the middle cap.............................................................................................................................................. 71
Installing the middle cap................................................................................................................................................72
Bildschirmbaugruppe........................................................................................................................................................... 73
Removing the display assembly................................................................................................................................... 73
Installing the display assembly......................................................................................................................................75
Handballenauflage................................................................................................................................................................78
Removing the palmrest................................................................................................................................................. 78
Installing the palmrest................................................................................................................................................... 79
Bildschirmblende..................................................................................................................................................................80
Removing the display bezel (non-touch)................................................................................................................... 80
Installing the display bezel (non-touch).......................................................................................................................81
Bildschirm............................................................................................................................................................................. 83
Removing the display panel (non-touch)................................................................................................................... 83
Installing the display panel (non-touch)......................................................................................................................85
Bildschirmscharniere........................................................................................................................................................... 86
Removing the display hinge..........................................................................................................................................86
Installing the display hinge (non-touch)......................................................................................................................87
Kamera..................................................................................................................................................................................89
Removing the camera (non-touch)............................................................................................................................ 89
Installing the camera..................................................................................................................................................... 90
P-Sensorplatine.................................................................................................................................................................... 91
Entfernen der P-Sensorplatine..................................................................................................................................... 91
Installieren der P-Sensorplatine................................................................................................................................... 92
Bildschirmkabel.................................................................................................................................................................... 92
Removing the display cable.......................................................................................................................................... 92
Installing the display cable............................................................................................................................................ 94
Display back cover...............................................................................................................................................................95
Replacing the display cable.......................................................................................................................................... 95
4 Fehlerbehebung......................................................................................................................... 97
Diagnose der Dell SupportAssist-Systemleistungsprüfung vor dem Start...................................................................97
Ausführen der SupportAssist-Systemleistungsprüfung vor dem Systemstart......................................................97
Integrierter Selbsttest für die Systemplatine (M-BIST).................................................................................................98
Integrierter Selbsttest für die Stromschiene des Bildschirms (L-BIST).......................................................................98
Integrierter Bildschirmselbsttest (LCD-BIST)................................................................................................................. 99
Systemdiagnoseanzeigen................................................................................................................................................... 99
Ein- und Ausschalten des WLAN......................................................................................................................................101
5 Wie Sie Hilfe bekommen............................................................................................................ 102
Kontaktaufnahme mit Dell................................................................................................................................................ 102
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