Dell Inspiron 5490 AIO Inspiron 24-5490 Service Manual - Page 4

Installing the media-card reader...33 Speakers...34 Removing the speakers...34 Installing the speakers...35 Microphones...36 Removing the microphones...36 Installing the mircrophones...37 Fan...38 Removing the fan...38 Installing the fan...39 Antennas...40 Removing the antennas...40 Installing the antennas...41 Camera...42 Removing the camera...42 Installing the camera...43 Power-button board...44 Removing the power-button board...44 Installing the power-button board...45 System board...46 Removing the system board...46 Installing the system board...48 Base panel...51 Removing the base panel...51 Installing the base panel...53 Display panel...55 Removing the display panel...55 Installing the display panel...56 3 Device drivers...60 Intel Chipset Software Installation Utility...60 Video drivers...60 Intel Serial IO driver...60 Intel Trusted Execution Engine Interface...60 Intel Virtual Button driver...60 Wireless and Bluetooth drivers...60 4 System setup...61 System setup...61 Entering BIOS setup program...61 Navigation keys...61 Boot Sequence...62 System setup options...62 Clearing CMOS settings...66 Clearing forgotten passwords...67 5 Troubleshooting...69 Enhanced Pre-Boot System Assessment (ePSA) diagnostics 69 Running the SupportAssist Pre-Boot System Performance Check 69 4 Contents