Dell Precision Tower 7910 Dell Precision Tower 7910 Owners Manual - Page 4

Removing the Power Switch...37 Installing the Power Switch...38 Removing the Speaker...38 Installing the Speaker...39 Removing the Right Cover...40 Installing the Right Cover...41 Removing the 5.25-inch Optical Drive 41 Installing the 5.25-inch Optical Drive 42 Removing the HDD Thermal Sensor 42 Installing the HDD Thermal Sensor...44 Removing the Processor...44 Installing the Processor...45 Removing the Hard-Drive Fan...45 Installing the Hard-Drive Fan...47 Removing the Power Supply Unit (PSU) Card 47 Installing the Power Supply Unit (PSU) Card 48 Removing the System Board...48 Installing the System Board...50 System Board Components...51 3 Additional Information 53 Memory Module Guidelines...53 Front Panel Chassis Lock...53 Power Supply Unit (PSU) Lock...54 4 System Setup...55 Boot Sequence...55 Navigation Keys...55 System Setup Options...56 Updating the BIOS ...64 System and Setup Password...64 Assigning a System Password and Setup Password 65 Deleting or Changing an Existing System and/or Setup Password 65 Disabling a System Password...66 5 Diagnostics...67 Enhanced Pre-Boot System Assessment (ePSA) Diagnostics 67 6 Troubleshooting Your Computer 68 Diagnostic LEDs...68 Error Messages...70 Errors That Halt Your Computer Completely 70