Dell Inspiron 15 3525 Service Manual page 5

Power-adapter port.......................................................................................................................................................... 78
Removing the power-adapter port..........................................................................................................................78
Installing the power-adapter port............................................................................................................................79
Palm-rest and keyboard assembly................................................................................................................................ 80
Removing the palm-rest and keyboard assembly................................................................................................ 80
Installing the palmrest and keyboard assembly.....................................................................................................81
Chapter 3: Drivers and downloads............................................................................................... 83
Chapter 4: BIOS setup.................................................................................................................84
BIOS overview....................................................................................................................................................................84
Entering BIOS setup program........................................................................................................................................ 84
Navigation keys..................................................................................................................................................................84
One time boot menu.........................................................................................................................................................85
System setup options.......................................................................................................................................................85
Updating the BIOS............................................................................................................................................................ 88
Updating the BIOS in Windows................................................................................................................................88
Updating the BIOS in Linux and Ubuntu................................................................................................................ 89
System and setup password...........................................................................................................................................89
Assigning a system setup password....................................................................................................................... 89
Deleting or changing an existing system setup password.................................................................................90
Clearing BIOS (System Setup) and System passwords.......................................................................................... 90
Chapter 5: Troubleshooting......................................................................................................... 91
Handling swollen Lithium-ion batteries......................................................................................................................... 91
Dell SupportAssist Pre-boot System Performance Check diagnostics................................................................ 91
Running the SupportAssist Pre-Boot System Performance Check................................................................92
Built-in self-test (BIST)................................................................................................................................................... 92
M-BIST...........................................................................................................................................................................92
LCD Power rail test (L-BIST)................................................................................................................................... 93
LCD Built-in Self Test (BIST)................................................................................................................................... 93
System-diagnostic lights................................................................................................................................................. 93
Recovering the operating system................................................................................................................................. 95
Real-Time Clock (RTC Reset)........................................................................................................................................95
Backup media and recovery options.............................................................................................................................95
WiFi power cycle............................................................................................................................................................... 95
Drain residual flea power (perform hard reset)......................................................................................................... 96
Chapter 6: Getting help and contacting Dell................................................................................ 97
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