Dell Inspiron 24-5491 Service Manual page 4

Installing the media-card reader.................................................................................................................................. 32
Speakers............................................................................................................................................................................... 33
Removing the speakers.................................................................................................................................................33
Installing the speakers................................................................................................................................................... 34
Microphones........................................................................................................................................................................ 35
Removing the microphones......................................................................................................................................... 35
Installing the mircrophones...........................................................................................................................................36
Fan......................................................................................................................................................................................... 37
Removing the fan...........................................................................................................................................................37
Installing the fan.............................................................................................................................................................38
Antennas...............................................................................................................................................................................39
Removing the antennas................................................................................................................................................ 39
Installing the antennas.................................................................................................................................................. 40
Camera.................................................................................................................................................................................. 41
Removing the camera....................................................................................................................................................41
Installing the camera......................................................................................................................................................42
Power-button board........................................................................................................................................................... 43
Removing the power-button board.............................................................................................................................43
Installing the power-button board............................................................................................................................... 44
System board.......................................................................................................................................................................45
Removing the system board........................................................................................................................................ 45
Installing the system board........................................................................................................................................... 47
Base panel............................................................................................................................................................................ 50
Removing the base panel............................................................................................................................................. 50
Installing the base panel................................................................................................................................................52
Display panel.........................................................................................................................................................................54
Removing the display panel..........................................................................................................................................54
Installing the display panel............................................................................................................................................ 55
3 Device drivers............................................................................................................................ 59
Intel Chipset Software Installation Utility......................................................................................................................... 59
Video drivers........................................................................................................................................................................ 59
Intel Serial IO driver............................................................................................................................................................. 59
Intel Trusted Execution Engine Interface......................................................................................................................... 59
Intel Virtual Button driver................................................................................................................................................... 59
Wireless and Bluetooth drivers.......................................................................................................................................... 59
4 System setup.............................................................................................................................60
System setup....................................................................................................................................................................... 60
Entering BIOS setup program............................................................................................................................................60
Navigation keys................................................................................................................................................................... 60
Boot Sequence..................................................................................................................................................................... 61
System setup options.......................................................................................................................................................... 61
Clearing CMOS settings..................................................................................................................................................... 65
Clearing forgotten passwords........................................................................................................................................... 66
5 Troubleshooting......................................................................................................................... 68
Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................68
Running the ePSA diagnostics.....................................................................................................................................68
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