Dell E20S, E20S001

Figure 55. Removing and Installing a Non-Redundant AC Power Supply

1. screw 2. power supply unit cage

3. non-redundant power supply 4. standoff on the chassis

5. P1 cable connector 6. P2 cable connector

7. P3 cable connector 8. backplane connector

104

Contents

Main Notes, Cautions, and Warnings Contents Page Page 4 Converting The System From Tower Mode To Rack Mode.............................................123 Page Page Page Page Page Page Page Front-Panel Features And IndicatorsRack Mode LCD Panel Features Home Screen Setup Menu View Menu Diagnostic Indicators Page Hard-Drive Indicator Patterns Back-Panel Features And Indicators Page NIC Indicator Codes Power Indicator Codes For Redundant Power Supply Power Indicator Codes For Non-Redundant Power Supply 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 Installing System Components Recommended Tools Front Bezel (Optional) Installing The Front Bezel Removing The Front Bezel System FeetTower Mode Removing The System Feet Installing The System Feet Wheel Assembly (Optional)Tower Mode Removing The Wheel Assembly Installing The Wheel Assembly Opening And Closing The System Opening The System Closing The System Inside The System Page Optical Drives And Tape Drives (Optional) Removing The Optical Drive Or Tape Drive Page Page Installing The Optical Drive Or Tape Drive Cooling Shroud Removing The Cooling Shroud Installing The Cooling Shroud Hard DrivesHot-Swappable Removing A Hot-Swap Hard Drive Installing A Hot-Swap Hard Drive Page Page Page Page Installing A Hard Drive Or A Hard-Drive Adapter Into A Hard-Drive Carrier Hard DrivesCabled Removing The Internal Hard-Drive Bay Installing The Internal Hard-Drive Bay Removing A Cabled Hard Drive Installing A Cabled Hard Drive Hard-Drive Backplane Removing The Hard-Drive Backplane Page Page Page Page Page Installing The Hard-Drive Backplane Four-Slot Hard-Drive Blank Removing A Four-Slot Hard-Drive Blank Installing A Four-Slot Hard-Drive Blank 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 Installing Memory Modules Cooling Fans Removing The Internal Cooling Fan Page Installing The Internal Cooling Fan Removing The External Cooling Fan Page Installing The External Cooling Fan Internal USB Memory Key (Optional) Replacing The Internal USB Key Page PCIe Card Holder (Optional) Removing The PCIe Card Holder Installing The PCIe Card Holder Expansion Cards Expansion Card Installation Guidelines GPU Card Installation Guidelines Removing An Expansion Card Installing An Expansion Card Removing A GPU Card Installing A GPU Card iDRAC Ports Card Removing The iDRAC Ports Card Installing The iDRAC Ports Card Replacing An SD vFlash Card Internal Dual SD Module Removing An Internal Dual SD Module Installing An Internal Dual SD Module Internal SD Card Removing An Internal SD Card Installing An Internal SD Card Processors Removing A Processor Page Installing A Processor Redundant AC Power Supply Removing A Redundant AC Power Supply Installing A Redundant AC Power Supply Removing The Power Supply Blank Installing The Power Supply Blank Replacing The Power Supply Divider Non-Redundant AC Power Supply Removing A Non-Redundant AC Power Supply Page Installing A Non-Redundant AC Power Supply Power Distribution Board And Power Interposer Board Removing The Power Interposer Board Page Installing The Power Interposer Board Replacing The Power Distribution Board System Battery Replacing The System Battery Control-Panel Assembly Removing The Control-Panel Assembly Page Page Installing The Control-Panel Assembly Removing The Control Panel Page Installing The Control Panel Removing The Control-Panel Board For Systems With LCD Modules Installing The Control-Panel Board For Systems With LCD Modules Removing The Control-Panel Board For Systems With Diagnostic Indicators Installing The Control-Panel Board For Systems With Diagnostic Indicators Removing The LCD Module Installing The LCD Module Removing The VGA ModuleRack Mode Installing The VGA ModuleRack Mode System Board Removing The System Board Installing The System Board Page Converting The System From Tower Mode To Rack Mode Safety Instructions Preparing A System For Conversion From Tower Mode To Rack Mode Page 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 A Non-Redundant Power Supply Troubleshooting Redundant Power Supplies Troubleshooting Cooling Problems Troubleshooting Cooling Fans Troubleshooting System Memory Troubleshooting An Internal USB Key Troubleshooting An SD Card Troubleshooting An Optical Or Tape Drive Troubleshooting A Hard Drive Troubleshooting Expansion Cards Troubleshooting Processor Using System Diagnostics Dell Online Diagnostics Dell Online PowerEdge Diagnostics Users Guide Dell Embedded System Diagnostics When To Use The Embedded System Diagnostics System Diagnostic Controls Dell Enhanced Pre-boot System Assessment User Guide Jumpers And Connectors System Board Jumper Settings System Board Jumpers And Connectors Page Disabling A Forgotten Password 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 bay Page Page Page Page Page Page Page Getting Help Contacting Dell