Dell Latitude 5501 Service Manual page 5

Installing the display panel.........................................................................................................................................89
Palmrest assembly............................................................................................................................................................. 91
Removing the palm-rest and keyboard assembly.................................................................................................91
Installing the palm-rest and keyboard assembly.................................................................................................. 92
Chapter 5: Troubleshooting.........................................................................................................94
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................94
Running the SupportAssist Pre-Boot System Performance Check................................................................94
System-diagnostic lights................................................................................................................................................. 94
LED Indicators and Characteristics.............................................................................................................................. 95
Battery charge and status LED .............................................................................................................................. 95
Wi-Fi power cycle............................................................................................................................................................. 96
Chapter 6: Troubleshooting......................................................................................................... 97
Handling swollen rechargeable Li-ion batteries..........................................................................................................97
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................98
Running the SupportAssist Pre-Boot System Performance Check................................................................98
LED Indicators and Characteristics...............................................................................................................................98
Battery charge and status LED .............................................................................................................................. 98
Built-in self-test (BIST)................................................................................................................................................... 99
M-BIST...........................................................................................................................................................................99
LCD Power rail test (L-BIST)................................................................................................................................... 99
LCD Built-in Self Test (BIST)................................................................................................................................... 99
System-diagnostic lights................................................................................................................................................100
Recovering the operating system................................................................................................................................ 101
Backup media and recovery options............................................................................................................................ 101
Wi-Fi power cycle.............................................................................................................................................................101
Drain residual flea power (perform hard reset)........................................................................................................102
Chapter 7: Getting help..............................................................................................................103
Contacting Dell.................................................................................................................................................................103
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