Dell E21S001, R820 - page 7

Disabling A Forgotten Password..........................................................................................................................124

7 Technical Specifications.......................................................................................................1258 System Messages...................................................................................................................131

LCD Messages......................................................................................................................................................131

Viewing LCD Messages.................................................................................................................................131

Removing LCD Messages...............................................................................................................................131

System Error Messages........................................................................................................................................131

Warning Messages...............................................................................................................................................147

Diagnostic Messages...........................................................................................................................................147

Alert Messages.....................................................................................................................................................147

9 Getting Help..............................................................................................................................149

Contacting Dell.....................................................................................................................................................149

Contents

Main Notes, Cautions, and Warnings Contents Page Page Page Page Page About Your System Front-Panel Features And Indicators LCD Panel Features Home Screen Setup Menu View Menu Hard-Drive Indicator Patterns Back-Panel Features And Indicators NIC Indicator Codes Power Indicator Codes Other Information You May Need Getting Started Guide 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 Page 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 System And/Or 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 Page Installing System Components Recommended Tools Front Bezel (Optional) Removing The Front Bezel Installing The Front Bezel Opening And Closing The System Opening The System Closing The System Inside The System Page Processor Expansion Module Removing the Processor Expansion Module Page Page Installing The Processor Expansion Module Cooling Shroud Removing The Cooling Shroud Installing The Cooling Shroud Top Cover Lock Latch Installing The Top Cover Lock Latch System Memory Page Page General Memory Module Installation Guidelines Mode-Specific Guidelines Advanced ECC (Lockstep) Memory Optimized (Independent Channel) Mode Memory Sparing Sample Memory Configurations Page Page Page Removing Memory Modules Installing Memory Modules Page Hard Drives Removing A 2.5 Inch Hard-Drive Blank Installing A 2.5 Inch Hard-Drive Blank Removing A Hot-Swap Hard Drive Installing A Hot-Swap Hard Drive Removing A Hard Drive From A Hard-Drive Carrier Installing A Hard Drive Into A Hard-Drive Carrier Optical Drive (Optional) Removing The Optical Drive Installing The Optical Drive Cooling Fans Removing A Cooling Fan Installing The Cooling Fan Removing The Cooling-Fan Assembly Installing The Cooling-Fan Assembly Internal USB Memory Key (Optional) Replacing The Internal USB Key Expansion Cards And Expansion-Card Risers Expansion Cards Installation Guidelines Removing An Expansion Card From An Expansion-Card Riser 1 Or 2 Page Page Installing An Expansion Card Into The Expansion-Card Riser 1 Or 2 Removing An Expansion Card From The Expansion-Card Riser 3 Page Page Installing An Expansion Card Into The Expansion-Card Riser 3 Removing Expansion-Card Risers Page Page Page Installing Expansion-Card Risers 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 Page Installing The Integrated Storage Controller Card Network Daughter Card Removing The Network Daughter Card Page Installing The Network Daughter Card Processors Removing The Processor Page Page Installing The Processor Power Supplies Hot Spare Feature Removing An AC Power Supply Installing An AC Power Supply Wiring Instructions For A DC Power Supply Input Requirements Kit Contents Required Tools Required Wires Assembling And Connecting The Safety Ground Wire Assembling The DC Input Power Wires Removing A DC Power Supply Installing A DC Power Supply Removing The Power Supply Blank Installing The Power Supply Blank System Battery Replacing The System Battery Hard-Drive Backplane Removing The Hard-Drive Backplane Page Page Page Page Page Page Installing The Hard-Drive Backplane Control Panel Assembly Removing The Control-Panel Assembly Installing The Control-Panel Assembly System Board Removing The System Board Page 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 An Optical Drive Troubleshooting A Tape Backup Unit Troubleshooting A Hard Drive Troubleshooting A Storage Controller Troubleshooting Expansion Cards Troubleshooting Processors Page Using System Diagnostics Dell Online Diagnostics Dell Online PowerEdge Diagnostics Users Guide Dell Embedded System Diagnostics When To Use The Embedded System Diagnostics Running The Embedded System Diagnostics System Diagnostic Controls ePSA Diagnostics Guide (Notebooks, Desktops and Servers) Jumpers And Connectors System Board Jumper Settings System Board Connectors Page Disabling A Forgotten Password Technical Specifications Page 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 bay Page Page Page Page Page Page Page Page Getting Help Contacting Dell