Dell P151G Service Manual

Removing the palm-rest assembly.......................................................................................................................... 44
Installing the palm-rest assembly............................................................................................................................ 45
Chapter 3: Drivers and downloads............................................................................................... 47
Chapter 4: System setup............................................................................................................. 48
Entering BIOS setup program........................................................................................................................................ 48
Navigation keys..................................................................................................................................................................48
Boot Sequence...................................................................................................................................................................48
One time boot menu.........................................................................................................................................................49
System setup options.......................................................................................................................................................49
System and setup password........................................................................................................................................... 61
Assigning a system setup password........................................................................................................................ 61
Deleting or changing an existing system setup password..................................................................................61
Clearing BIOS (System Setup) and System passwords.....................................................................................62
Updating the BIOS............................................................................................................................................................ 62
Updating the BIOS in Windows................................................................................................................................62
Updating the BIOS using the USB drive in Windows..........................................................................................62
Updating the BIOS from the F12 One-Time boot menu.....................................................................................63
Chapter 5: Troubleshooting.........................................................................................................64
Handling swollen Lithium-ion batteries........................................................................................................................ 64
Locate the Service Tag or Express Service Code of your Dell computer ..............................................64
System diagnostic lights..................................................................................................................................................65
SupportAssist diagnostics...............................................................................................................................................65
Built-in self-test (BIST)................................................................................................................................................... 66
System board built-in self-test (M-BIST)............................................................................................................. 66
Display panel power rail built-in self-test (L-BIST).............................................................................................66
Display panel built-in self-test (LCD-BIST)...........................................................................................................67
Outcome........................................................................................................................................................................ 67
Recovering the operating system................................................................................................................................. 68
WiFi power cycle............................................................................................................................................................... 68
Drain residual flea power (perform hard reset)......................................................................................................... 68
Backup media and recovery options.............................................................................................................................69
Real Time Clock—RTC reset......................................................................................................................................... 69
Chapter 6: Getting help and contacting Dell................................................................................ 70
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Contents

Dell P151G Specifications

General

Brand	Dell
Model	P151G
Category	Laptop
Language	English