Dell R420xr - page 104

6. Open the system.

7. Install the jumper plug on the password jumper.

8. Close the system.

9. Assign a new system and/or setup password.

104

Contents

Main Notes, Cautions, and Warnings Contents 2 Using The System Setup and Boot Manager....................................................15 Page Page Page Page About Your System Front-Panel Features And Indicators LCD Panel Features Hard-Drive Indicator Patterns Back-Panel Features And Indicators NIC Indicator Codes Power Indicator Codes Other Information You May Need Using The System Setup and Boot Manager Choosing The System Boot Mode Entering System Setup Responding To Error Messages Using The System Setup Navigation Keys System Setup Options System Setup Main Screen System BIOS Screen System Information Screen Memory Settings Screen Processor Settings Screen SATA Settings Screen Boot Settings Screen Integrated Devices Screen Serial Communications Screen System Profile Settings Screen System Security Screen Miscellaneous Settings System And Setup Password Features Assigning A System And/Or Setup Password Deleting Or Changing An Existing Setup Password Using Your System Password To Secure Your System Operating With A Setup Password Enabled Entering The UEFI Boot Manager Using The Boot Manager Navigation Keys Boot Manager Screen UEFI Boot Menu Embedded System Management iDRAC Settings Utility Entering The iDRAC Settings Utility Changing The Thermal Settings Page Bezel Filter (Optional) Installing The Bezel Filter Opening And Closing The System Opening The System Closing The System Inside The System Cooling Shroud Removing The Cooling Shroud Installing The Cooling Shroud System Memory Page General Memory Module Installation Guidelines Mode-Specific Guidelines Advanced ECC (Lockstep) Memory Optimized (Independent Channel) Mode Memory Sparing Sample Memory Configurations Page Removing Memory Modules Page Installing Memory Modules Page Hard Drives Removing A Hot-Swap Hard Drive Installing A Hot-Swap Hard Drive Page Cooling Fans Removing A Cooling Fan Installing A Cooling Fan Internal USB Memory Key (Optional) Replacing The Internal USB Key Expansion Cards And Expansion-Card Risers Expansion Card Installation Guidelines Removing An Expansion Card Page Page Installing An Expansion Card Removing Expansion-Card Risers 1 And 2 Page Installing Expansion-Card Risers 1 And 2 iDRAC Enterprise Card (Optional) Removing The iDRAC Enterprise Card Installing The iDRAC Enterprise Card SD vFlash Card Replacing An SD vFlash Card Internal Dual SD Module Removing The Internal Dual SD Module Installing The Internal Dual SD Module Internal SD Card Removing An Internal SD Card Installing An Internal SD Card Integrated Storage Controller Card Removing The Integrated Storage Controller Card Installing The Integrated Storage Controller Card Processors Removing A Processor Page Installing A Processor Page Power Supplies Hot Spare Feature Removing A Power Supply Installing A Power Supply System Battery Replacing The System Battery Hard-Drive Backplane Removing The Hard-Drive Backplane Page Page Installing The Hard-Drive Backplane Control Panel Assembly Removing The Control Panel Installing The Control Panel Removing The Control-Panel Module Installing The Control-Panel Module Power Distribution Board Shroud Removing The Power Distribution Board Shroud Installing The Power Distribution Board Shroud Power Distribution Board Removing The Power Distribution Board Installing The Power Distribution Board System Board Removing The System Board Installing The System Board Page Troubleshooting Your System Safety FirstFor You And Your System Troubleshooting System Startup Failure Troubleshooting External Connections Troubleshooting The Video Subsystem Troubleshooting A Serial I/O Device Troubleshooting A NIC Troubleshooting A Wet System Troubleshooting A Damaged System Troubleshooting The System Battery Troubleshooting Power Supplies Troubleshooting Cooling Problems Troubleshooting Cooling Fans Troubleshooting System Memory Troubleshooting An Internal USB Key Troubleshooting An SD Card Troubleshooting A Hard Drive Troubleshooting A Storage Controller Troubleshooting Expansion Cards Troubleshooting Processors Using System Diagnostics Dell Embedded System Diagnostics When To Use The Embedded System Diagnostics Running The Embedded System Diagnostics System Diagnostic Controls Page Jumpers And Connectors System Board Jumper Settings System Board Connectors Disabling A Forgotten Password Page Technical Specifications Page Page Page Page System Messages LCD Messages Viewing LCD Messages Removing LCD Messages System Error Messages Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Warning Messages Diagnostic Messages Alert Messages Getting Help Contacting Dell Locating Your System Service Tag Documentation Feedback