Dell OptiPlex 7770 All In One OptiPlex 7770 All-in-One Service Manual - Page 5

Enhanced Pre-Boot System Assessment - ePSA diagnostics, Contacting Dell

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Installing the headset port...79 Antennas...80 Removing the antennas...80 Installing the antennas...81 Display panel...82 Removing the display panel...82 Installing the display panel...84 Display cable...86 Removing the display cable...86 Installing the display cable...87 Middle frame...88 Removing the middle frame...88 Installing the middle frame...90 4 Troubleshooting your computer 93 Enhanced Pre-Boot System Assessment - ePSA diagnostics 93 Running the ePSA Diagnostics...93 Diagnostics...93 LCD built in self test - BIST...94 5 Getting help...96 Contacting Dell...96 Contents 5

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Installing the headset port
............................................................................................................................................
79
Antennas
...............................................................................................................................................................................
80
Removing the antennas
................................................................................................................................................
80
Installing the antennas
...................................................................................................................................................
81
Display panel
.........................................................................................................................................................................
82
Removing the display panel
..........................................................................................................................................
82
Installing the display panel
............................................................................................................................................
84
Display cable
.........................................................................................................................................................................
86
Removing the display cable
..........................................................................................................................................
86
Installing the display cable
.............................................................................................................................................
87
Middle frame
........................................................................................................................................................................
88
Removing the middle frame
.........................................................................................................................................
88
Installing the middle frame
............................................................................................................................................
90
4 Troubleshooting your computer
...................................................................................................
93
Enhanced Pre-Boot System Assessment — ePSA diagnostics
...................................................................................
93
Running the ePSA Diagnostics
....................................................................................................................................
93
Diagnostics
...........................................................................................................................................................................
93
LCD built in self test - BIST
................................................................................................................................................
94
5 Getting help
...............................................................................................................................
96
Contacting Dell
....................................................................................................................................................................
96
Contents
5