Dell Latitude 5401 Service Manual page 5

Display back cover assembly..............................................................................................................................................88
Replacing the display back cover................................................................................................................................ 88
Palmrest assembly...............................................................................................................................................................89
Replacing the palmrest assembly................................................................................................................................ 89
4 Troubleshooting......................................................................................................................... 92
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................92
Running the ePSA diagnostics.....................................................................................................................................92
System diagnostic lights..................................................................................................................................................... 92
WiFi power cycle................................................................................................................................................................. 93
5 Getting help...............................................................................................................................94
Contacting Dell.................................................................................................................................................................... 94
Contents 5