Dell G5 5090 Service Manual - Page 4

Coin-cell battery...35 Removing the coin-cell battery...35 Installing the coin-cell battery...36 Power-supply unit...36 Removing the power-supply unit...36 Installing the power-supply unit...38 Processor fan and heat-sink assembly...41 Removing the processor fan and heat-sink assembly 41 Installing the processor fan and heat-sink assembly 42 Processor...43 Removing the processor...43 Installing the processor...44 VR heat sink...45 Removing the VR heat sink...45 Installing the VR heat sink...46 LED daughter board...47 Removing the LED daughter board...47 Installing the LED daughter board...48 System board...49 Removing the system board...49 Installing the system board...52 3 Device drivers...57 Operating system...57 Downloading the audio driver...57 Downloading the graphics driver...57 Downloading the USB driver...58 Downloading the WiFi driver...58 Downloading the chipset driver...59 Downloading the network driver...59 4 System setup...61 System setup...61 BIOS overview...61 Entering BIOS setup program...61 Navigation keys...61 Boot Sequence...61 System setup options...62 System and setup password...67 Assigning a system setup password...68 Deleting or changing an existing system setup password 68 Clearing CMOS settings...68 Clearing BIOS (System Setup) and System passwords 69 5 Troubleshooting...71 Enhanced Pre-Boot System Assessment (ePSA) diagnostics 71 Running the ePSA diagnostics...71 Diagnostics...71 System diagnostic lights...73 4 Contents