Dell PowerEdge T20 Owner's Manual Manual pdf 64 page image
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Dell PowerEdge T20 Owner's Manual

Also see for PowerEdge T20: FeaturesTechnical guideGetting started guideOwner's manualGetting started guide

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Contents
  1. Table Of Contents
  2. Table Of Contents
  3. Table Of Contents
  4. About Your System
  5. Back-Panel Features And Indicators
  6. NIC Indicator Codes
  7. Power Indicator Codes For Power Supply
  8. Other Information You May Need
  9. Using The System Setup And Boot Manager
  10. Using The System Setup Navigation Keys
  11. Responding To Error Messages
  12. Boot Manager Screen
  13. Using The Boot Manager Navigation Keys
  14. Assigning A System Password And Admin Password
  15. Installing System Components
  16. Closing The System
  17. Installing The Bezel
  18. Removing The Chassis-Intrusion Switch
  19. Inside The System
  20. Thermal Sensor
  21. Power Switch
  22. Installing The Power Switch
  23. Installing The Input/Output Panel
  24. Hard Drives
  25. Installing The Hard-Drive Cage
  26. Installing A 3.5 Inch Hard Drive In The Hard-Drive Cage
  27. Removing A 2.5 Inch Hard Drive From The Hard-Drive Cage
  28. Installing A 2.5 Inch Hard Drive In The Hard-Drive Cage
  29. Removing A 3.5 Inch Hard Drive From The Hard-Drive Bay
  30. Installing A 3.5 Inch Hard Drive In The Hard-Drive Bay
  31. Removing A Hard Drive From A Hard-Drive Carrier
  32. Removing The Optical Drive
  33. General Memory Module Installation Guidelines
  34. Sample Memory Configurations
  35. Installing Memory Modules
  36. System Fan
  37. Installing The System Fan
  38. Expansion Cards
  39. Installing An Expansion Card
  40. Processors
  41. Installing The Processor
  42. Power Supply
  43. Installing The Power Supply Unit
  44. System Battery
  45. System Board
  46. Installing The System Board
  47. Entering The Service Tag After Replacing The System Board
  48. Troubleshooting Your System
  49. Memory Beep Code
  50. Troubleshooting A Serial I/O Device
  51. Troubleshooting A Wet System
  52. Troubleshooting The System Battery
  53. Troubleshooting The System Fan
  54. Troubleshooting An Optical Drive
  55. Troubleshooting Expansion Cards
  56. Using System Diagnostics
  57. Jumpers And Connectors
  58. Disabling A Forgotten Password
  59. Technical Specifications
  60. Environmental Specifications
  61. System Messages
  62. Warning Messages
  63. getting help
Dell PowerEdge T20 Owner's Manual Manual pdf 64 page image
Amber LED State Description3,3 no memory modules are detected3,4 possible system board error3,5 memory modules are detected, but a memory configuration or compatibility error3,6 possible system board resource and/or hardware failure3,7 some other failure with messages on screenMemory Beep CodeThe system emits a series of beeps during startup if it detects no memory. The beep code pattern emitted is 1-3-2 (1beep, then 3 beeps, then 2 beeps). The delay between each beep is 300 ms, the delay between each set of beeps is 3secs, and the beep sound lasts 300 ms. Reseating the memory modules may fix the memory errors. After emitting beeps,the BIOS will detect if the user presses the power button and will execute the normal shutdown process and power thesystem off.Troubleshooting System Startup FailureIf you boot the system to the BIOS boot mode after installing an operating system from the UEFI boot mode, the systemhangs. The reverse is also true. You must boot to the same boot mode in which you installed the operating system.For all other startup issues, note the system messages that appear on the screen.Troubleshooting External ConnectionsEnsure that all external cables are securely attached to the external connectors on your system before troubleshootingany external devices.Troubleshooting The Video Subsystem1. Check the system and power connections to the monitor.2. Check the video interface cabling from the system to the monitor.3. Run the appropriate diagnostic test.If the tests run successfully, the problem is not related to video hardware.If the tests fail, see Getting Help.Troubleshooting A USB DeviceUse the following steps to troubleshoot a USB keyboard/mouse. For other USB devices, go to step 7.1. Disconnect the keyboard and mouse cables from the system briefly and reconnect them.2. Connect the keyboard/mouse to the USB port(s) on the opposite side of the system.3. If the problem is resolved, restart the system, enter the System Setup, and check if the non-functioning USB portsare enabled.4. Replace the keyboard/mouse with another working keyboard/mouse.5. If the problem is resolved, replace the faulty keyboard/mouse.64
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PowerEdge T20
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