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Troubleshooting Your System

Dell™ PowerEdge™ 2900 Systems Hardware Owner's Manual

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 remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product 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 4-1.

Table 4-1. Start-Up Routine Indications 

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 IRQ Assignment Conflicts

Most PCI devices can share an IRQ with another device, but they cannot use an IRQ simultaneously. To avoid this type of conflict, see the documentation for each PCI device for specific IRQ requirements. Table 4-2 lists the IRQ assignments.

Table 4-2. IRQ Assignment Defaults 

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 1-2 for the front-panel connectors and Figure 1-4 for the back-panel connectors on your system.

Troubleshooting the Video Subsystem

Problem

• Monitor is not working properly.
  
  
• Video memory is faulty.
  
  

Action

1. Check the system and power connections to the monitor.
   
   
2. Determine whether the system has an expansion card with a video output connector.
   
   

In this system configuration, the monitor cable should normally be connected to the connector on the expansion card, not to the system's integrated video connector.

To verify that the monitor is connected to the correct video connector, turn off the system and wait for 1 minute, then connect the monitor to the other video connector and turn the system on again.

3. Determine whether the system has monitors attached to both the front and rear video connectors.
   
   

The system supports only one monitor attached to either the front or rear video connector. When a monitor is connected to the front panel, the back-panel video is disabled.

If two monitors are attached to the system, disconnect one monitor. If the problem is not resolved, continue to the next step.

4. Run the appropriate online diagnostic test. See Using Server Administrator Diagnostics.
   
   

If the tests run successfully, the problem is not related to video hardware.

If the tests fail, see Getting Help.

Troubleshooting the Keyboard

Problem

• System message indicates a problem with the keyboard
  
  
• Keyboard is not functioning properly
  
  

Action

1. Enter the System Setup program and ensure that the USB ports are enabled. See Using the System Setup Program.
   
   
2. 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.

4. Run the appropriate online diagnostic test. See Using Server Administrator Diagnostics.
   
   

If the problem is not resolved, see Getting Help.

Troubleshooting the Mouse

Problem

• System message indicates a problem with the mouse.
  
  
• Mouse is not functioning properly.
  
  

Action

1. Run the appropriate online diagnostic test. See Using Server Administrator Diagnostics.
   
   

If the test fails, continue to the next step.

2. 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.

3. Swap the faulty mouse with a working mouse.
   
   

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

4. Enter the System Setup program and ensure that the USB port is enabled. See Using the System Setup Program.
   
   

If the problem is not resolved, see Getting Help.

Troubleshooting Basic I/O Functions

Problem

• Error message indicates a problem with a serial port.
  
  
• Device connected to a serial port is not operating properly.
  
  

Action

1. Enter the System Setup program and ensure that the serial port is enabled and configured correctly for your application. See Using the System Setup Program.
   
   
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.
   
   

If the tests run successfully but the problem persists, see Troubleshooting a Serial I/O Device.

Troubleshooting a Serial I/O Device

Problem

• Device connected to the serial port is not operating properly.
  
  

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.

3. Turn off the system and the serial device, and swap the device with a comparable device.
   
   
4. 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 USB Device

Problem

• System message indicates a problem with a USB device.
  
  
• Device connected to a USB port is not operating properly.
  
  

Action

1. Enter the System Setup program, and ensure that the USB ports are enabled. See Using the System Setup Program.
   
   
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.

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

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

6. Turn off the system and the USB device, and swap the device with a comparable device.
   
   
7. 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

• NIC cannot communicate with network.
  
  

Action

1. Run the appropriate online diagnostic test. See Using Server Administrator Diagnostics.
   
   
2. Check the appropriate indicator on the NIC connector.
   
   
   • If the link indicator does not light, check all cable connections.
     
     
   • If the activity indicator does not light, the network driver files might be damaged or missing.
     
     

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

• Change the autonegotiation setting, if possible.
  
  
• Use another connector on the switch or hub.
  
  

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

3. Ensure that the appropriate drivers are installed and the protocols are bound. See the NIC's documentation.
   
   
4. Enter the System Setup program and confirm that the NICs are enabled. See Using the System Setup Program.
   
   
5. Ensure that the NICs, hubs, and switches on the network are all set to the same data transmission speed. See the network equipment documentation.
   
   
6. Ensure that all network cables are of the proper type and do not exceed the maximum length.
   
   

Troubleshooting a Wet System

Problem

• Liquid spilled on the system.
  
  
• Excessive humidity.
  
  

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product 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 installed in the system. See Removing an Expansion Card.
   
   
4. Let the system dry thoroughly for at least 24 hours.
   
   
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 system does not start properly, see Getting Help.

7. If the system starts properly, shut down the system and reinstall all of the expansion cards that you removed. See Installing an Expansion Card.
   
   
8. Run the appropriate online diagnostic test. See Using Server Administrator Diagnostics.
   
   

If the tests fail, see Getting Help.

Troubleshooting a Damaged System

Problem

• System was dropped or damaged.
  
  

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product 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:
   
   
   • Expansion cards
     
     
   • Power supplies
     
     
   • Fans
     
     
   • Processors and heat sinks
     
     
   • Memory modules
     
     
   • Drive-carrier connections to the SAS backplane board, if applicable
     
     
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 the System Diagnostics.
   
   

If the tests fail, see Getting Help.

Troubleshooting the System Battery

Problem

• System message indicates a problem with the battery.
  
  
• System Setup program loses system configuration information.
  
  
• System date and time do not remain current.
  
  

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.
   
   
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 Replacing the System Battery.

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 Power Supplies

Problem

• System-status indicators are amber.
  
  
• Power-supply fault indicators are amber.
  
  
• Front-panel status LCD indicates a problem with the power supplies.
  
  

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product 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.
   
   
2. Locate the faulty power supply.
   
   

The power supply's fault indicator is lit. See Power Indicator Codes.

NOTICE: You can hot-plug the power supplies. One power supply must be installed for the system to operate. The system is in the redundant mode when two power supplies are installed. Remove and install only one power supply at a time in a system that is powered on. Operating the system for extended periods of time with only one power supply installed and without a power supply blank installed can cause the system to overheat.

3. Ensure that the power supply is properly installed by removing and reinstalling it. See Power Supplies.
   
   

NOTE: After installing a power supply, allow several seconds for the system to recognize the power supply and to determine if it is working properly. The power indicator turns green to signify that the power supply is functioning properly. See Power Indicator Codes.

4. Check the indicators to see if the problem is resolved. If not, remove the faulty power supply. See Removing a Power Supply.
   
   
5. Install a new power supply. See Installing a Power Supply.
   
   

If the problem persists, see Getting Help.

Troubleshooting System Cooling Problems

Problem

• Systems management software issues a fan-related error message.
  
  

Action

Ensure that none of the following conditions exist:

• System cover, cooling shroud, drive blank, or front or back filler panel is removed.
  
  
• Ambient temperature is too high.
  
  
• External airflow is obstructed.
  
  
• Cables inside the system obstruct airflow.
  
  
• An individual cooling fan is removed or has failed. See Troubleshooting a Fan.
  
  

Troubleshooting a Fan

Problem

• System-status indicator is amber.
  
  
• Systems management software issues a fan-related error message.
  
  
• Front panel LCD indicates a problem with the fan.
  
  

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product 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.
   
   
2. Open the system. See Opening the System.
   
   

CAUTION: The cooling fans are hot-pluggable. To maintain proper cooling while the system is on, only replace one fan at a time.

3. Locate the faulty fan indicated by the LCD panel or diagnostic software. For the identification number of each fan, see Figure 3-11.
   
   
4. Check the fan connection by removing and reseating the fan in its bracket slot. See Removing and Installing a Fan.
   
   

NOTE: Wait 30 seconds for the system to recognize the fan and determine whether it is working properly.

5. If the problem is not resolved, install a new fan. See Removing and Installing a Fan.
   
   

If the replacement fan is working properly, close the system. See Closing the System.

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

Troubleshooting System Memory

Problem

• Faulty memory module.
  
  
• Faulty system board.
  
  
• Front-panel status LCD indicates a problem with system memory.
  
  

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product 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.
   
   
2. Turn on the system and attached peripherals.
   
   

If an error message does not appear, continue to the next step.

If an error messages appears, go to step 13.

3. Enter the System Setup program and check the system memory setting. See Using the System Setup Program.
   
   

If the amount of memory installed matches the system memory setting, go to step 13.

4. Remove the bezel. See Removing the Bezel.
   
   
5. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
   
   
6. Open the system. See Opening the System.
   
   
7. Remove the memory cooling shroud. See Removing the Cooling Shroud.
   
   

NOTICE: Never remove the memory cooling shroud without first powering down the system. Overheating of the system can develop quickly resulting in a shutdown of the system and the loss of data.

CAUTION: The DIMMs are hot to the touch for some time after the system has been powered down. Allow time for the DIMMs to cool before handling them. Handle the DIMMs by the card edges and avoid touching the DIMM components.

8. Reseat the memory modules in their sockets. See Installing Memory Modules.
   
   
9. Replace the memory cooling shroud.
   
   

NOTICE: Never operate your system with the memory cooling shroud removed. Overheating of the system can develop quickly resulting in a shutdown of the system and the loss of data.

10. Close the system. See Closing the System.
    
    
11. Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.
    
    
12. Enter the System Setup program and check the system memory setting. See Using the System Setup Program.
    
    

If the amount of memory installed does not match the system memory setting, then perform the following steps:

1. Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
   
   
2. Open the system. See Opening the System.
   
   
3. Remove the memory cooling shroud. See Removing the Cooling Shroud.
   
   
4. Swap the memory module in socket 1 with another of the same capacity. See Installing Memory Modules.
   
   
5. Replace the memory cooling shroud.
   
   

NOTICE: Never operate your system with the memory cooling shroud removed. Overheating of the system can develop quickly resulting in a shutdown of the system and the loss of data.

6. Close the system. See Closing the System.
   
   
7. Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.
   
   
8. As the system boots, observe the monitor screen and the indicators on the keyboard.
   
   
13. Perform the following steps:
    
    
    1. Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
       
       
    2. Open the system. See Opening the System.
       
       
    3. Remove the memory cooling shroud. See Removing the Cooling Shroud.
       
       
    4. Perform step d through step h in step 12 for each memory module installed.
       
       

If the problem persists, see Getting Help.

Troubleshooting a Diskette Drive

Problem

• Error message indicates a diskette drive problem.
  
  

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product 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.
   
   
2. Remove the bezel. See Removing the Bezel.
   
   
3. Run the appropriate online diagnostic test. See Using Server Administrator 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 diskette drive interface cable is securely connected to the diskette drive and the system board.
   
   
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.
   
   
10. Run the appropriate online diagnostic test to see whether the diskette drive works correctly.
    
    
11. Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
    
    
12. Open the system. See Opening the System.
    
    
13. Remove all expansion cards installed in the system. See Removing an Expansion Card.
    
    
14. Close the system. See Closing the System.
    
    
15. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
    
    
16. 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.

17. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
    
    
18. Open the system. See Opening the System.
    
    
19. Reinstall one of the expansion cards you removed in step 13. See Installing an Expansion Card.
    
    
20. Close the system. See Closing the System.
    
    
21. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
    
    
22. Run the appropriate online diagnostic test to see whether the diskette drive works correctly.
    
    
23. Repeat step 17 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 an Optical Drive

Problem

• System cannot read data from a CD or DVD in an optical drive.
  
  
• Optical drive indicator does not blink during boot.
  
  

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer and protecting against electrostatic discharge.

1. Remove the bezel. See Removing the Bezel.
   
   
2. Try using a different CD or DVD that you know works properly.
   
   
3. Enter the System Setup program and ensure that the drive's IDE controller is enabled. See Using the System Setup Program.
   
   
4. Run the appropriate online diagnostic test. See Using Server Administrator Diagnostics.
   
   
5. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
   
   
6. Open the system. See Opening the System.
   
   
7. Ensure that the interface cable is securely connected to the optical drive and to the controller.
   
   
8. Ensure that a power cable is properly connected to the 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 is not resolved, see Getting Help.

Troubleshooting an External SCSI Tape Drive

Problem

• Defective tape drive
  
  
• Defective tape cartridge
  
  
• Missing or corrupted tape-backup software or tape drive device driver
  
  
• Defective SCSI controller
  
  

Action

1. Remove the tape cartridge you were using when the problem occurred, and replace it with a tape cartridge that you know works.
   
   
2. Ensure that the SCSI device drivers for the tape drive are installed and are configured correctly.
   
   
3. Reinstall the tape-backup software as instructed in the tape-backup software documentation.
   
   
4. Ensure that the tape drive's interface/DC power cable is connected to the tape drive and SCSI controller card.
   
   
5. Verify that the tape drive is configured for a unique SCSI ID number and that the tape drive is terminated or not terminated, based on the interface cable used to connect the drive.
   
   

See the documentation for the tape drive for instructions on selecting the SCSI ID number and enabling or disabling termination.

6. Run the appropriate online diagnostics tests. See Using Server Administrator Diagnostics.
   
   
7. Open or remove the bezel. See Removing the Bezel.
   
   
8. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
   
   

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer and protecting against electrostatic discharge.

9. Open the system. See Opening the System.
   
   
10. Ensure that the SCSI controller card is firmly seated in its connector. See Installing an Expansion Card.
    
    
11. Close the system. See Closing the System.
    
    
12. Reconnect the system to the electrical outlet, and turn on the system, including attached peripherals.
    
    
13. If the problem is not resolved, see the documentation for the tape drive for additional troubleshooting instructions.
    
    
14. If you cannot resolve the problem, see Getting Help for information on obtaining technical assistance.
    
    

Troubleshooting a Hard Drive

Problem

• Device driver error.
  
  
• One or more hard drives not recognized by the system.
  
  

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product 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 diagnostics test. See Using Server Administrator Diagnostics.
   
   

Depending on the results of the diagnostics test, proceed as needed through the following steps.

2. Remove the bezel. See Removing the Bezel.
   
   
3. If you are experiencing problems with multiple hard drives, skip to step 8. For a problem with a single hard drive, continue to the next step.
   
   
4. Turn off your system, reseat the hard drive, and restart the system.
   
   
5. If your system has a SAS RAID controller daughter card, perform the following steps.
   
   
   1. Restart the system and press <Ctrl><R> to enter the host adapter configuration utility program.
      
      

See the documentation supplied with the host adapter for information about the configuration utility.

2. Ensure that the hard drive has been configured correctly for the RAID.
   
   
3. Exit the configuration utility and allow the system to boot to the operating system.
   
   
6. Ensure that the required device drivers for your controller daughter card are installed and are configured correctly. See the operating system documentation for more information.
   
   

NOTICE: Do not perform the following step if you have a SAS RAID controller daughter card.

7. If you have the non-RAID SAS controller daughter card, remove the hard drive and swap its drive bay location with another hard drive that is functioning properly.
   
   

If the problem is resolved, reinstall the hard drive in the original bay. See Installing a Hot-Plug Hard Drive.

If the hard drive functions properly in the original bay, the drive carrier could have intermittent problems. Replace the hard-drive carrier. See Getting Help.

If the hard drive functioned properly in another bay but does not function in the original bay, the SAS backplane has a defective connector. See Getting Help.

8. Check the cable connections inside the system:
   
   
   1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
      
      
   2. Open the system. See Opening the System.
      
      
   3. Verify that the cable connections between SAS backplane(s) and the SAS daughter card are correct. See Cabling the SAS Backplane Boards.
      
      
   4. Verify that the SAS cables are securely seated in their connectors.
      
      
   5. Verify that the power connectors on the SAS backplane(s) are securely seated in their connectors.
      
      
   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 Getting Help.

Troubleshooting a SAS or SAS RAID Controller Daughter Card

NOTE: When troubleshooting a SAS or SAS RAID controller daughter card, also see the documentation for your operating system and the controller daughter card.

Problem

• Error message indicates a problem with the SAS or SAS RAID controller daughter card.
  
  
• SAS or SAS RAID controller daughter card performs incorrectly or not at all.
  
  

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product 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.
   
   
2. Enter the System Setup program and ensure that the SAS or SAS RAID controller daughter card is enabled. See Using the System Setup Program.
   
   
3. Restart the system and press the applicable key sequence to enter the configuration utility program:
   
   
   • <Ctrl><C> for a SAS controller
     
     
   • <Ctrl><R> for a SAS RAID controller
     
     

See the controller's documentation for information about configuration settings.

4. Check the configuration settings, make any necessary corrections, and restart the system.
   
   

If the problem is not resolved, continue to the next step.

5. Remove the bezel. See Removing the Bezel.
   
   
6. Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
   
   
7. Open the system. See Opening the System.
   
   
8. Ensure that the controller card is firmly seated into the system board connector. See SAS Controller Daughter Card.
   
   
9. If you have a SAS RAID controller daughter card, ensure that the following RAID components are properly installed and connected:
   
   
   • Memory module
     
     
   • Battery
     
     
10. Verify that the cable connections between the SAS backplane(s) and the SAS controller daughter card are correct. See Cabling the SAS Backplane Boards.
    
    
11. Ensure that the cables are firmly connected to the SAS controller daughter card, the SAS backplane board and, if applicable, the 1x2 expansion backplane.
    
    
12. Close the system. See Closing the System.
    
    
13. Reconnect the system to its electrical outlet, and turn on the system and attached peripherals. If the problem persists, proceed as follows:
    
    
    • If you have a SAS controller daughter card, see Getting Help.
      
      
    • If you have a SAS RAID controller daughter card, replace the SAS RAID daughter card battery. See Replacing the SAS RAID Controller Daughter Card Battery. If replacing the battery does not solve the problem, see Getting Help.
      
      

Troubleshooting Expansion Cards

NOTE: When troubleshooting an expansion card, see the documentation for your operating system and the expansion card.

Problem

• Error message indicates a problem with an expansion card.
  
  
• Expansion card performs incorrectly or not at all.
  
  

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product 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.
   
   
2. Open or remove the bezel. See Removing the Bezel.
   
   
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 each expansion card is firmly seated in its connector. See Installing an Expansion 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, go to the next step.

8. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
   
   
9. Open the system. See Opening the System.
   
   
10. Remove all expansion cards installed in the system. See Removing an Expansion Card.
    
    
11. Close the system. See Closing the System.
    
    
12. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
    
    
13. Run the appropriate online diagnostic test.
    
    

If the tests fail, see Getting Help.

14. For each expansion card you removed in step 10, perform the following steps:
    
    
    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.
       
       
    4. Close the system. See Closing the System.
       
       
    5. Run the appropriate diagnostic test.
       
       

If the tests fail, see Getting Help.

Troubleshooting the Microprocessors

Problem

• Error message indicates a processor problem.
  
  
• Front-panel status LCD indicates a problem with the processors or system board.
  
  
• A heat sink is not installed for each processor.
  
  

Action

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the computer and protecting against electrostatic discharge.

1. If possible, run the appropriate online diagnostics test. See Using Server Administrator 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 Replacing a Processor.
   
   
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 possible, run the appropriate online diagnostic test.
   
   

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

8. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
   
   
9. Open the system. See Opening the System.
   
   
10. If your system has dual processors, remove processor 2, leaving only processor 1 installed. See Replacing a Processor.
    
    

To locate the processors, see Figure 6-2.

If only one processor is installed, see Getting Help.

11. Close the system. See Closing the System.
    
    
12. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
    
    
13. Run the appropriate online diagnostic test.
    
    

If the tests complete successfully, replace processor 2. See Getting Help.

14. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
    
    
15. Open the system. See Opening the System.
    
    
16. Replace processor 1 with processor 2 or with a processor of the same capacity. See Replacing a Processor.
    
    
17. Close the system. See Closing the System.
    
    
18. Run the appropriate online diagnostic test.
    
    

If the tests complete successfully, replace processor 1. See Getting Help.

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