Back to Contents Page

Troubleshooting Your System

Dell™ PowerEdge™ SC1420 Systems Installation and Troubleshooting Guide

  Safety First—For You and Your System

  Start-Up Routine

  Opening the System

  Closing the System

  Checking the Equipment

  Inside the System

  Troubleshooting a Wet System

  Troubleshooting a Damaged System

  Troubleshooting the System Battery

  Troubleshooting System Cooling Problems

  Troubleshooting System Memory

  Troubleshooting a Diskette Drive

  Troubleshooting a CD Drive

  Troubleshooting a SCSI Hard Drive

  Troubleshooting a SATA Hard Drive

  Troubleshooting a Hard Drive in a RAID Configuration

  Troubleshooting a RAID Controller Card

  Troubleshooting Expansion Cards

  Troubleshooting the Processors



Safety First—For You and Your System

To perform certain procedures in this document, you must remove the system cover and work inside the system. While working inside the system, do not attempt to service the system except as explained in this guide and elsewhere in your system documentation.

CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

Start-Up Routine

Look and listen during the system's start-up routine for the indications described in Table 5-1.

Table 5-1. Start-Up Routine Indications 

Look/listen for:

Action

An error message displayed on the monitor.

See "System Messages" in "Indicators, Codes, and Messages."

A series of beeps emitted by the system.

See "System Beep Codes" in "Indicators, Codes, and Messages."

The monitor's power indicator.

See "Troubleshooting the Video Subsystem."

The keyboard indicators.

See "Troubleshooting the Keyboard."

The diskette drive activity indicator.

See "Troubleshooting a Diskette Drive."

The CD drive activity indicator.

See "Troubleshooting a CD Drive."

The hard-drive activity indicator.

See "Troubleshooting a SCSI Hard Drive."

An unfamiliar constant scraping or grinding sound when you access a drive.

See "Getting Help."


Opening the System

CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
  1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  2. Press the power button to ground the system board.

  3. If you have installed a padlock through the padlock ring on the back panel, remove the padlock.

  4. Lay the system on its side as shown in Figure 5-1.

NOTICE: Ensure that sufficient space exists to accommodate the open cover—at least 30 cm (1 ft) of desktop space.
  1. Open the system by sliding the cover release latch and rotating the cover open as shown in Figure 5-1.


Closing the System

  1. Ensure that all cables are connected, and fold cables out of the way.

  2. Ensure that no tools or extra parts are left inside the system.

  3. Close the system cover.

    1. Rotate the cover down. See Figure 5-1.

    1. Press down on the cover until the cover release latch is fully engaged.

  4. If applicable, install the padlock.

  5. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

After you open and close the cover, the chassis intrusion detector, if enabled, causes the following message to appear on the screen at the next computer start-up:

ALERT! Cover was previously removed.

  1. Reset the chassis intrusion detector by changing Chassis Intrusion to Enabled or Enabled- Silent. See your User's Guide for details.

NOTE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion detector.

Figure 5-1. Opening and Closing the System


Checking the Equipment

This section provides troubleshooting procedures for external devices attached to the system, such as the monitor, keyboard, or mouse. Before you perform any of the procedures, see "Troubleshooting External Connections."

Troubleshooting External Connections

Loose or improperly connected cables are the most likely source of problems for the system, monitor, and other peripherals (such as a printer, keyboard, mouse, or other external device). Ensure that all external cables are securely attached to the external connectors on your system. See Figure 2-2 for the back-panel connectors and Figure 2-1 for the front-panel connectors on your system.

Troubleshooting the Video Subsystem

Problem
Action
  1. Check the system and power connections to the monitor.

  2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  3. Open the system. See "Opening the System."

  4. Ensure that the video card is properly installed. See "Expansion Cards" in "Installing System Components."

  5. Close the system. See "Closing the System."

  6. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."

If the tests run successfully, the problem is not related to video hardware. See "Finding Software Solutions."

If the tests fail, see "Getting Help."

Troubleshooting the Keyboard

Problem
Action
  1. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."

  2. Press each key on the keyboard, and examine the keyboard and its cable for signs of damage.

  3. Swap the faulty keyboard with a working keyboard.

If the problem is resolved, replace the faulty keyboard. See "Getting Help."

If the problem is not resolved, see "Getting Help."

Troubleshooting the Mouse

Problem
Action
  1. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."

If the test fails, continue to the next step.

  1. Examine the mouse and its cable for signs of damage.

If the mouse is not damaged, go to step 4.

If the mouse is damaged, continue to the next step.

  1. Swap the faulty mouse with a working mouse.

If the problem is resolved, replace the faulty mouse. See "Getting Help."

  1. Enter the System Setup program and ensure that the mouse controller is enabled. See "Using the System Setup Program" in your User's Guide.

If the problem is not resolved, see "Getting Help."

Troubleshooting Basic I/O Functions

Problem
Action
  1. Enter the System Setup program and ensure that the serial port(s) and parallel port are enabled. See "Using the System Setup Program" in the User's Guide.

  2. If the problem is confined to a particular application, see the application documentation for specific port configuration requirements that the program may require.

  3. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."

If the tests run successfully but the problem persists, see the appropriate procedure—"Troubleshooting a Serial I/O Device" or "Troubleshooting a Parallel Printer."

Troubleshooting a Serial I/O Device

Problem
Action
  1. Turn off the system and any peripheral devices connected to the serial port.

  2. Swap the serial interface cable with a working cable, and turn on the system and the serial device.

If the problem is resolved, replace the interface cable. See "Getting Help."

  1. Turn off the system and the serial device, and swap the device with a comparable device.

  2. Turn on the system and the serial device.

If the problem is resolved, replace the serial device. See "Getting Help."

If the problem persists, see "Getting Help."

Troubleshooting a Parallel Printer

Problem
Action
  1. Turn off the system and any peripheral devices connected to the parallel port.

  2. Swap the printer interface cable with a working cable, and turn on the system and the printer.

If the problem is resolved, replace the interface cable. See "Getting Help."

  1. Turn off the system and the printer, and swap the printer with a comparable printer.

  2. Turn on the system and the printer.

If the problem is resolved, replace the printer. See "Getting Help."

If the problem persists, see "Getting Help."

Troubleshooting a USB Device

Problem
Action
  1. Enter the System Setup program, and ensure that the USB ports are enabled. See "Using the System Setup Program" in your User's Guide.

  2. Turn off the system and any USB devices.

  3. Disconnect the USB devices, and connect the malfunctioning device to the other USB connector.

  4. Turn on the system and the reconnected device.

If the problem is resolved, the USB connector might be defective. See "Getting Help."

  1. If possible, swap the interface cable with a working cable.

If the problem is resolved, replace the interface cable. See "Getting Help."

  1. Turn off the system and the USB device, and swap the device with a comparable device.

  2. Turn on the system and the USB device.

If the problem is resolved, replace the USB device. See "Getting Help."

If the problem persists, see "Getting Help."

Troubleshooting a NIC

Problem
Action
  1. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."

  2. Check the appropriate indicator on the NIC connector. See Table 2-3 in "Indicators, Messages, and Codes."

Remove and reinstall the drivers if applicable. See the NIC's documentation.

If you are using a NIC card instead of an integrated NIC, see the documentation for the NIC card.

  1. Ensure that the appropriate drivers are installed and the protocols are bound. See the NIC's documentation.

  2. Enter the System Setup program and confirm that the NICs are enabled. See "Using the System Setup Program" in your User's Guide.

  3. Ensure that the NICs, hubs, and switches on the network are all set to the same data transmission speed. See the network equipment documentation.

  4. Ensure that all network cables are of the proper type and do not exceed the maximum length. See "Network Cable Requirements" in your User's Guide.


Inside the System

In Figure 5-2, the system cover is opened to provide an interior view of the system.

Figure 5-2. Inside the System

The system board can accommodate up to two processors, six expansion cards (three 64-bit, 100-MHz PCI-X, two 2.5-GHz PCI-Express, and one 32-bit, 33-MHz), and six 400-MHz DDR II SDRAM memory modules upgradable to 12 GB.

The drive bays provide space for up to four 1-inch SATA (up to two SATA drives with the integrated SATA controller and up to four SATA drives with a SATA controller card) or SCSI hard drives. The SCSI hard drives must be connected to a controller card. They also provide space for two optical drives, an optional diskette drive, and an optional tape backup unit (TBU). Power is supplied to the system board and internal peripherals through a single nonredundant power supply.


Troubleshooting a Wet System

Problem
Action
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
  1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  2. Open the system. See "Opening the System."

  3. Remove all expansion cards, memory modules, and processors installed in the system. See "Removing an Expansion Card," "Removing a Memory Module," and "Removing the Processor" in "Installing System Components."

  4. Let the system dry thoroughly for at least 24 hours.

  5. Install the video card.

If SCSI hard drives or more than two SATA hard drives are installed, install the controller card. See "Installing an Expansion Card" in "Installing System Components."

  1. Close the system. See "Closing the System."

  2. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

If the system does not start properly, see "Getting Help."

  1. If the system starts properly, shut down the system and reinstall all of the expansion cards that you removed. See "Installing an Expansion Card" in "Installing System Components."

  2. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running the System Diagnostics."

If the tests fail, see "Getting Help."


Troubleshooting a Damaged System

Problem
Action
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
  1. Open the system. See "Opening the System."

  2. Ensure that the following components are properly installed:

  3. Ensure that all cables are properly connected.

  4. Close the system. See "Closing the System."

  5. Run the system board tests in the system diagnostics. See "Running System Diagnostics."

If the tests fail, see "Getting Help."


Troubleshooting the System Battery

Problem
NOTE: If the system is turned off for long periods of time (for weeks or months), the NVRAM may lose its system configuration information. This situation is caused by a defective battery.
Action
  1. Re-enter the time and date through the System Setup program. See "Using the System Setup Program" in your User's Guide.

  2. Turn off the system and disconnect it from the electrical outlet for at least one hour.

  3. Reconnect the system to the electrical outlet and turn on the system.

  4. Enter the System Setup program.

If the date and time are not correct in the System Setup program, replace the battery. See "System Battery" in "Installing System Components."

If the problem is not resolved by replacing the battery, see "Getting Help."

NOTE: Some software may cause the system time to speed up or slow down. If the system seems to operate normally except for the time kept in the System Setup program, the problem may be caused by software rather than by a defective battery.

Troubleshooting System Cooling Problems

Problem
Action

Ensure that none of the following conditions exist:

Troubleshooting Fans

Problem
Action
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
  1. Run the appropriate diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."

  2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  3. Open the system. See "Opening the System."

  4. Ensure that the faulty fan's power cable is firmly attached to the system board connector. See Figure A-3.

  5. Close the system. See "Closing the System."

  6. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

  7. If the problem is not resolved, install the appropriate new fan. See "Installing the Processor Cooling Shrouds" or "Installing the Expansion Card Fan" in "Installing System Components."

If the replacement fan does not operate, see "Getting Help."


Troubleshooting System Memory

Problem
Action
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
  1. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."

  2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  3. Open the system. See "Opening the System."

  4. Ensure that the memory modules are proper installed. See "Memory Module Installation Guidelines" and "Installing a Memory Module" in "Installing System Components."

  5. Remove all of the memory modules. See "Removing a Memory Module" in "Installing System Components."

NOTE: Record the DIMM socket so that the memory modules can be properly reinstalled in step 9.
  1. Install the suspected faulty memory module in DIMM_1.

  2. Close the system. See "Closing the System."

  3. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

If no memory errors occur during POST, repeat step 2 and step 3, and step 6 through step 8 for all the suspected faulty memory modules.

If memory errors occur, replace the faulty memory modules.

  1. Reinstall the memory modules. See "Installing a Memory Module" in "Installing System Components."

  2. Close the system. See "Closing the System."

  3. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

  4. Enter the System Setup program and check the system memory setting. See "Using the System Setup Program" in your User's Guide.

If the problem persists, see "Getting Help."


Troubleshooting a Diskette Drive

Problem
Action
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
  1. Enter the System Setup program and verify that the diskette drive is configured correctly. See "Using the System Setup Program" in the User's Guide.

  2. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."

  3. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  4. Open the system. See "Opening the System."

  5. Ensure that the diskette drive interface cable is securely connected to the diskette drive and the system board. See Figure A-3.

  6. Ensure that a power cable is properly connected to the drive.

  7. Close the system. See "Closing the System."

  8. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

  9. Run the appropriate online diagnostic test to see whether the diskette drive works correctly.

  10. Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.

  11. Open the system. See "Opening the System."

  12. Remove all expansion cards installed in the system (except the video card). See "Removing an Expansion Card" in "Installing System Components."

  13. Close the system. See "Closing the System."

  14. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

  15. Run the appropriate online diagnostic test to see whether the diskette drive works correctly.

If the tests run successfully, an expansion card may be conflicting with the diskette drive logic, or an expansion card may be faulty. Continue to the next step.

If the tests fail, see "Getting Help."

  1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  2. Open the system. See "Opening the System."

  3. Reinstall one of the expansion cards you removed in step 12. See "Installing an Expansion Card" in "Installing System Components."

  4. Close the system. See "Closing the System."

  5. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

  6. Run the appropriate online diagnostic test to see whether the diskette drive works correctly.

  7. Repeat step 16 through step 22 until all expansion cards are reinstalled or one of the expansion cards causes the tests to fail.

If the problem is not resolved, see "Getting Help."


Troubleshooting a CD Drive

Problem
Action
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
  1. Try using a different CD that you know works properly.

  2. Enter the System Setup program and ensure that the drive's IDE controller is enabled. See "Using the System Setup Program" in the User's Guide.

  3. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."

  4. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  5. Open the system. See "Opening the System."

  6. Ensure that the CD interface cable is securely connected to the CD drive and to the system board. See Figure A-3.

  7. Ensure that a power cable is properly connected to the drive.

  8. Close the system. See "Closing the System."

  9. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

If the problem is not resolved, see "Getting Help."


Troubleshooting a SCSI Hard Drive

Problem
Action
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
NOTICE: This procedure can destroy data stored on the hard drive. Before you continue, back up all files on the hard drive.
NOTE: If the hard drive is used in a RAID configuration, see "Troubleshooting a Hard Drive in a RAID Configuration."
  1. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."

For information about testing the controller, see the SCSI or RAID controller's documentation.

If the tests fail, continue to the next step.

  1. Restart the system and enter the SCSI configuration utility.

NOTE: To enter the utility, press <Ctrl><a> or <Ctrl><m>, depending on the utility. See the documentation supplied with the controller for information about the configuration utility.
  1. Ensure that the primary SCSI channel is enabled, and restart the system. See the SCSI controller documentation.

  2. Ensure that the required device drivers are installed and configured correctly. See the Dell OpenManage Server Assistant for PowerEdge SC Products CD.

  3. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  4. Open the system. See "Opening the System."

  5. Ensure that the hard-drive interface cable is properly connected between the drive and the controller card. See the documentation supplied with the controller card.

  6. If the hard drive is the boot drive, ensure that the drive is configured and connected properly. See "Configuring the Boot Drive" in "Installing Drives."

  7. Ensure that a power cable is properly connected to the drive.

  8. Ensure that the hard drive is configured with a unique SCSI ID number and that the drive is terminated or not terminated as appropriate. See the documentation for the hard drive.

  9. Close the system. See "Closing the System."

  10. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

If the problem persists, continue to the next step.

  1. Format and partition the hard drive. See the operating system documentation.

  2. If possible, restore the files to the drive.

If the problem persists, see "Getting Help."


Troubleshooting a SATA Hard Drive

Problem
Action
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
NOTICE: This troubleshooting procedure can destroy data stored on the hard drive. Before you proceed, back up all files on the hard drive.
NOTE: If the hard drive is used in a RAID configuration, see "Troubleshooting a Hard Drive in a RAID Configuration."
  1. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running the System Diagnostics."

  2. Enter the System Setup program and verify that the system is configured correctly. See "Using the System Setup Program" in your User's Guide.

  3. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  4. Open the system. See "Opening the System."

  5. Ensure that the hard-drive interface cable is properly connected between the drive and the system board or controller card.

To identify system board connectors, see Figure A-3.

To identify controller card connectors, see the documentation that accompanied the controller card.

  1. If the hard drive is the boot drive, ensure that the drive is configured and connected properly. See "Configuring the Boot Drive" in "Installing Drives."

  2. Ensure that the power cable is properly connected to the drive.

  3. Close the system. See "Closing the System."

  4. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

  5. Format and partition the hard drive. See the operating system documentation.

  6. If possible, restore the files to the drive.

If the problem persists, see "Getting Help."


Troubleshooting a Hard Drive in a RAID Configuration

Problem
Action
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
NOTICE: This troubleshooting procedure can destroy data stored on the hard drive. Before you proceed, back up all files on the hard drive.
  1. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running the System Diagnostics."

  2. Restart your system and enter the RAID configuration utility. See the RAID controller documentation.

  3. Ensure that the required device drivers are installed and are configured correctly. See the Dell OpenManage Server Assistant for PowerEdge SC Products CD and the RAID controller's documentation.

  4. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  5. Open the system. See "Opening the System."

  6. Ensure that the hard-drive interface cable is properly connected to the drive and to the system board or RAID controller card.

To identify system board connectors, see Figure A-3.

To identify controller card connectors, see the documentation that accompanied the controller card.

  1. If the hard drive is the boot drive, ensure that the drive is configured and connected properly. See "Configuring the Boot Drive" in "Installing Drives."

  2. Ensure that the power cable is properly connected to the drive.

  3. Close the system. See "Closing the System."

  4. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

If the problem persists, continue to the next step.

  1. Format and partition the hard drive. See the operating system documentation.

  2. If possible, restore the files to the drive.

If the problem persists, see "Getting Help."


Troubleshooting a RAID Controller Card

NOTE: When troubleshooting a RAID controller card, also see the documentation for your operating system and the RAID controller.
Problem
Action
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
  1. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running the System Diagnostics."

  2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  3. Open the system. See "Opening the System."

  4. Ensure that the controller card is firmly seated in its connector. See "Installing a SATA or SCSI Controller Card" in "Installing System Components."

  5. Ensure that the appropriate cables are firmly connected to their corresponding connectors on the controller card.

  6. Close the system. See "Closing the System."

  7. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

If the problem persists, see the RAID controller's documentation for more information on troubleshooting.


Troubleshooting Expansion Cards

NOTE: When troubleshooting an expansion card, see the documentation for your operating system and the expansion card.
Problem
Action
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
  1. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."

  2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  3. Open the system. See "Opening the System."

  4. Ensure that each expansion card is firmly seated in its connector. See "Installing an Expansion Card" in "Installing System Components."

  5. Close the system. See "Closing the System."

  6. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

If the problem persists, go to the next step.

  1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  2. Open the system. See "Opening the System."

  3. Remove all expansion cards installed in the system (except the video card). See "Removing an Expansion Card" in "Installing System Components."

  4. Close the system. See "Closing the System."

  5. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

  6. Run the appropriate online diagnostic test.

If the tests fail, see "Getting Help."

  1. For each expansion card you removed in step 9, perform the following steps:

    1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

    1. Open the system. See "Opening the System."

    2. Reinstall one of the expansion cards.

    3. Close the system. See "Closing the System."

    4. Run the appropriate diagnostic test.

If the tests fail, see "Getting Help."


Troubleshooting the Processors

Problem
Action
CAUTION: Only trained service technicians are authorized to open the system cover and access any of the components inside the system. See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
  1. Run the appropriate online diagnostics test. See "Using Server Administrator Diagnostics" in "Running the System Diagnostics."

  2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  3. Open the system. See "Opening the System."

  4. Ensure that each processor and heat sink are properly installed. See "Installing a Processor" in "Installing System Components."

  5. Ensure that the VRM is properly installed for processor 1. See "Installing the VRM" in "Installing System Components."

  6. Close the system. See "Closing the System."

  7. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

  8. Run the appropriate online diagnostic test.

If the tests fail or the problem persists, continue to the next step.

If only one processor is installed, see "Getting Help."

  1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  2. Open the system. See "Opening the System."

  3. Remove processor 1 and the VRM. See "Removing the Processor" and "Removing the VRM" in "Installing System Components."

To locate the processors and VRM, see Figure A-3.

  1. Close the system. See "Closing the System."

  2. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

  3. Run the appropriate online diagnostic test.

If the tests complete successfully, go to step 20.

  1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  2. Open the system. See "Opening the System."

  3. Replace processor 0 with another processor of the same capacity. See "Installing a Processor" in "Installing System Components."

  4. Close the system. See "Closing the System."

  5. Run the appropriate online diagnostic test.

If the tests complete successfully, replace processor 0. See "Getting Help."

If the tests fail, see "Getting Help."

  1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.

  2. Open the system. See "Opening the System."

  3. Reinstall processor 1 and the VRM that you removed in step 11. See "Installing a Processor" and "Installing the VRM" in "Installing System Components."

  4. Close the system. See "Closing the System."

  5. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

If the problem persists, see "Getting Help."


Back to Contents Page