Dell P152G - Page 6

Chapter 7: Software................................................................................................................... 141
Operating system............................................................................................................................................................. 141
Drivers and downloads.................................................................................................................................................... 141
Chapter 8: BIOS setup............................................................................................................... 142
Entering BIOS setup program.......................................................................................................................................142
Navigation keys................................................................................................................................................................ 142
One time boot menu....................................................................................................................................................... 142
System setup options..................................................................................................................................................... 143
Updating the BIOS...........................................................................................................................................................147
Updating the BIOS in Windows.............................................................................................................................. 147
Updating the BIOS using the USB drive in Windows........................................................................................ 148
Updating the BIOS in Linux and Ubuntu.............................................................................................................. 148
Updating the BIOS from the F12 One Time Boot menu................................................................................... 148
System and setup password......................................................................................................................................... 149
Assigning a system setup password......................................................................................................................149
Deleting or changing an existing system setup password............................................................................... 149
Clearing BIOS (System Setup) and System passwords.........................................................................................150
Chapter 9: Troubleshooting........................................................................................................ 151
Handling swollen Lithium-ion batteries....................................................................................................................... 151
Locate the Service Tag or Express Service Code of your Dell computer .............................................151
Dell SupportAssist Pre-boot System Performance Check diagnostics.............................................................. 152
Running the SupportAssist Pre-Boot System Performance Check.............................................................. 152
Built-in self-test (BIST)..................................................................................................................................................152
M-BIST......................................................................................................................................................................... 152
LCD Power rail test (L-BIST)................................................................................................................................. 153
LCD Built-in Self Test (BIST)................................................................................................................................. 153
System-diagnostic lights................................................................................................................................................154
Recovering the operating system................................................................................................................................155
Real-Time Clock (RTC Reset)...................................................................................................................................... 156
Backup media and recovery options........................................................................................................................... 156
Wi-Fi power cycle............................................................................................................................................................156
Drain residual flea power (perform hard reset)........................................................................................................156
Chapter 10: Getting help and contacting Dell............................................................................. 158
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