Troubleshooting 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. 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 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."
Alert messages from the systems management software.	See the systems management software documentation.
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 optical drive activity indicator.	See "Troubleshooting an Optical Drive."
The hard-drive activity indicator.	See "Troubleshooting SCSI Hard Drives."
An unfamiliar constant scraping or grinding sound when you access a drive.	See "Getting Help."

Checking Basic Power Problems

If the power indicator on the system front panel or power supply does not indicate that power is available to the system, ensure that the power cable is securely connected to the power supply.
If the system is connected to a PDU or UPS, turn the PDU or UPS off and then on.
If the PDU or UPS is not receiving power, plug it into another electrical outlet. If it still is not receiving power, try another PDU or UPS.
Reconnect the system to the electrical outlet and turn on the system.

If the system still is not working properly, see "Troubleshooting Redundant Power Supplies."

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

Troubleshooting the Video Subsystem

Problem

Monitor is not working properly.
Video memory is faulty.

Action

Check the system and power connections to the monitor.
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

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

Action

Examine the keyboard and its cable for signs of damage.
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

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

Action

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

If the test fails, continue to the next step.

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.

Swap the faulty mouse with a working mouse.

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

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

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

Action

Enter the System Setup program and ensure that the serial port is enabled. See "Using the System Setup Program" in the User's Guide.
If the problem is confined to a particular application, see the application documentation for specific port configuration requirements that the program may require.
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."

Troubleshooting a Serial I/O Device

Problem

Device connected to the serial port is not operating properly.

Action

Enter the System Setup program and ensure that the Console Redirection option on the Console Redirection screen is set to Off. See "Using Console Redirection" and "Using the System Setup Program" in your User's Guide.
Turn off the system and any peripheral devices connected to the serial port.
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."

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

Enter the System Setup program, and ensure that the USB ports are enabled. See "Using the System Setup Program" in your User's Guide.
Turn off the system and any USB devices.
Disconnect the USB devices, and connect the malfunctioning device to the other USB connector.
Turn on the system and the reconnected device.

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

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

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

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

Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."
Check the appropriate indicator on the NIC connector. See "NIC Indicator Codes" in "Indicators, Messages, and Codes."
- 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.

Ensure that the appropriate drivers are installed and the protocols are bound. See the NIC's documentation.
Enter the System Setup program and confirm that the NICs are enabled. See "Using the System Setup Program" in your User's Guide.
Ensure that the NICs, hubs, and switches on the network are all set to the same data transmission speed. See the network equipment documentation.
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.

Responding to a Systems Management Software Alert Message

Systems management software monitors critical system voltages and temperatures, fans, and hard drives in the system. Alert messages appear in the Alert Log window. For information about the Alert Log window, see the systems management software documentation.

Inside the System

In Figure 5-1, the bezel and system cover are removed to provide an interior view of the system.

Figure 5-1. Inside the System

The system board holds the system's control circuitry and other electronic components. The processor and memory are installed directly on the system board. Using a riser card, the system can accommodate up to two expansion cards. The SCSI backplane supports up to two SCSI hard drives. The peripheral bays provide space for up to two hard drives, an optional optical drive, and an optional diskette drive. Power is supplied to the system board and drives through one or two (optional) power supplies.

Opening the System

The system is enclosed by an optional bezel and cover. To upgrade or troubleshoot the system, remove the bezel and cover to access the drives, and other internal system components.

If applicable, remove the bezel. See Figure 5-2.
1. Unlock the bezel.
1. While grasping the bezel, slide it toward the key lock.
2. Unlatch the left end of the bezel and rotate it away from the front panel.
3. Unhook the right end of the bezel and pull the bezel away from the system.

Figure 5-2. Installing and Removing the Optional Bezel

Turn off the system and attached peripherals, and disconnect the system from the electrical outlet and peripherals.
Remove the system from the rack and place it on a work surface.
To remove the system cover, loosen the thumbscrew at the front of the system. See Figure 5-3.
Slide the cover backward about 1.3 cm (0.5 inch), and grasp the cover on both sides.
Carefully lift the cover away from the system.

Figure 5-3. Installing and Removing the System Cover

Closing the System

Ensure that you did not leave tools or parts inside the system.
Place the cover over the sides of the chassis, and slide the cover forward.
Tighten the thumbscrew at the front of the system to secure the cover. See Figure 5-3.
Replace the system in the rack, and reconnect the peripheral cables.
To replace the optional bezel, hook the right end of the bezel onto the chassis, then fit the bezel onto the system. Secure the bezel with the keylock. See Figure 5-2.
Reconnect the system to the electrical outlet, and turn on the system.

Troubleshooting a Wet System

Problem

Liquid spilled on the system.
Excessive humidity.

Action

Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Remove all expansion cards installed in the system. See "Removing an Expansion Card" in "Installing System Components."
Remove all memory modules installed in the system. See "Removing Memory Modules" in "Installing System Components."
Remove the processor(s) from the system. See "Replacing the Processor" in "Installing System Components."
Let the system dry thoroughly for at least 24 hours.
Reinstall all of the components that you removed earlier in this procedure. See "Installing an Expansion Card," "Installing Memory Modules," and "Replacing the Processor" in "Installing System Components."
Close the system. See "Closing the System."
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."

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

If any of 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. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

Open the system. See "Opening the System."
Examine the interior and exterior of the system chassis.

If there is sufficient damage that it would be unsafe to apply power to the system, see "Getting Help."

Ensure that the following components are properly installed:
- Expansion cards
- Memory modules
- Processor(s)
- Power supplies
- Fans
- Drive-carrier connections to the SCSI backplane board
Ensure that all cables are properly connected.
Close the system. See "Closing the System."
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 (weeks or months), the NVRAM may lose its system configuration information. This situation is caused by a defective battery.

Action

Re-enter the time and date through the System Setup program. See "Using the System Setup Program" in your User's Guide.
Turn off the system and disconnect it from the electrical outlet for at least one hour.
Reconnect the system to the electrical outlet and turn on the system.
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 Redundant Power Supplies

Problem

System-status indicator is amber.
Power-supply fault indicator is amber.

Action

Run the appropriate online diagnostics test. See "Using Server Administrator Diagnostics" in "Running the System Diagnostics."
Identify the faulty power supply.

The power supply's fault indicator is lit. See "Power Indicator Codes" in "Indicators, Messages, and Codes."

NOTICE: The power supplies are hot-pluggable. Remove and install only one power supply at a time in a system that is powered on. The system is in the redundant mode when two power supplies are installed.

Ensure that the power supply is properly installed by removing and reinstalling it. See "Power Supplies" in "Installing System Components."

NOTE: After installing a power supply, you must 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" in "Indicators, Messages, and Codes."

If the problem persists, remove the faulty power supply. See "Removing a Power Supply" in "Installing System Components."

Install a new power supply. See "Replacing a Power Supply" in "Installing System Components."

If the problem persists, see "Getting Help."

Troubleshooting System Cooling Problems

Problem

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

Action

Run the appropriate diagnostic test. See "Using Server Administrator Diagnostics" in Running System Diagnostics."
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Locate the fan module referenced by the systems management software or diagnostics.

See Figure A-3 for the relative location of each fan.

Ensure that the faulty fan's power cable is firmly attached to the fan power connector on the system board.
Close the system. See "Closing the System."
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
If the problem is not resolved, install a new fan module. See "Installing a Fan Module" in "Installing System Components."
If the replacement fan does not operate, see "Getting Help."

Troubleshooting System Memory

Problem

Faulty memory module.
Faulty system board.

Action

Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."
Turn on the system and attached peripherals.

If an error message does not appear, go to step 11.

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

If the amount of memory installed matches the system memory setting, go to step 11.

Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Ensure that the memory modules are populated correctly. See "General Memory Module Installation Guidelines" in "Installing System Components."

If the memory modules are populated correctly, continue to the next step.

Reseat the memory modules in their sockets. See "Installing Memory Modules" in "Installing System Components."
Close the system. See "Closing the System."
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
Enter the System Setup program and check the system memory setting. See "Using the System Setup Program" in your User's Guide.

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

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

Open the system. See "Opening the System."

NOTE: Several configurations for the memory modules exist; see "General Memory Module Installation Guidelines" in "Installing System Components."

Swap the memory modules in bank 1 with another bank of the same capacity. See "Installing Memory Modules" in "Installing System Components."
Close the system. See "Closing the System."
Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.
As the system boots, observe the monitor screen and the indicators on the keyboard.

Perform the following steps:
1. Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
1. Open the system. See "Opening the System."
2. Repeat step c through step f in step 10 for each memory module installed.

If the problem persists, see "Getting Help."

Troubleshooting a Diskette Drive

Problem

Error message indicates a problem with the optional diskette drive.

Action

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.
Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Ensure that the diskette drive interface cable is securely connected to the SCSI backplane board. See Figure 7-3.
Close the system. See "Closing the System."
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
Run the appropriate online diagnostic test to see whether the diskette drive works correctly.
Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
Open the system. See "Opening the System."
Remove all expansion cards installed in the system. See "Removing an Expansion Card" in "Installing System Components."
Close the system. See "Closing the System."
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
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."

Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Reinstall one of the expansion cards you removed in step 11. See "Installing an Expansion Card" in "Installing System Components."
Close the system. See "Closing the System."
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
Run the appropriate online diagnostic test to see whether the diskette drive works correctly.
Repeat step 15 through step 20 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.
Optical drive indicator does not blink during boot.

Action

Try using a different CD that you know works properly.
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.
Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Ensure that the optical drive interface cable is securely connected to the optical drive and to the controller. See Figure 7-2.
Close the system. See "Closing the System."
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 optional SCSI controller card

Action

Remove the tape cartridge you were using when the problem occurred, and replace it with a tape cartridge that you know works.
Ensure that the SCSI device drivers for the tape drive are installed and are configured correctly.
Reinstall the tape-backup software as instructed in the tape-backup software documentation.
Ensure that the tape drive's interface/DC power cable is connected to the tape drive and SCSI controller card.
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.

Run the appropriate online diagnostics tests. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Ensure that the optional SCSI controller card is firmly seated in its connector. See "Installing an Expansion Card" in "Installing System Components."
Close the system. See "Closing the System."
Reconnect the system to the electrical outlet, and turn on the system, including attached peripherals.
If the problem is not resolved, see the documentation for the tape drive for additional troubleshooting instructions.
If you cannot resolve the problem, see "Getting Help" for information on obtaining technical assistance.

Troubleshooting SCSI Hard Drives

Problem

Device driver error.
Hard drive not recognized by the system.

Action

NOTICE: This procedure can destroy data stored on the hard drive. Before you continue, back up all files on the hard drive.

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.

Run the System Setup program and insure that the SCSI controller is enabled.

See "Using the System Setup Program" in the User's Guide.

If the integrated SCSI host adapter controls the SCSI hard drives, restart the system and press <Ctrl><a> to enter the SCSI configuration utility program.

NOTE: If your system has an optional RAID controller card or riser card with RAID on motherboard (ROMB), restart the system and press <Ctrl><a> or <Ctrl><m>, depending on the utility. See the documentation supplied with the controller for information about the configuration utility.

Ensure that the primary SCSI channel is enabled, and restart the system.

See the documentation supplied with the controller for information about the configuration utility.

Verify that the device drivers are installed and configured correctly. See the operating system documentation.
Remove the hard drive and install it in another drive bay.
If the problem is resolved, reinstall the hard drive in the original bay. See "Installing a SCSI Hard Drive" in "Installing Drives."

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

If the problem persists, the SCSI backplane board has a defective connector. See "Getting Help."

Check the SCSI cable connections inside the system:
1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.
1. Open the system. See "Opening the System."
2. Verify that the SCSI cable is securely connected to the SCSI riser board and the SCSI host adapter. on the riser card, or a SCSI host adapter card installed in an expansion slot.
3. Close the system. See "Closing the System."
Format and partition the hard drive. See the operating system documentation.
If possible, restore the files to the drive.

If the problem persists, see "Getting Help."

Troubleshooting the Integrated RAID Controller

NOTICE: A newly-installed RAID battery must be charged for three to four hours of system operation before you can operate the RAID controller in write-back mode. This is normal for a new battery.

Problem

Error message indicates a problem with the optional integrated RAID controller (when available).

Action

Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."
Enter the System Setup program and ensure that the Embedded RAID Controller option is set to RAID Enabled. See "Using the System Setup Program" in your User's Guide.
Ensure that the integrated RAID controller is configured properly. See the RAID controller's documentation for information about configuration settings.

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

Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
Open the system. See "Opening the System."
Ensure that the following RAID components are properly installed:
- Memory module
- RAID key
- Battery

See "Activating the Optional Integrated RAID Controller" in "Installing Drives."

Close the system. See "Closing the System."
Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.

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

Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
Open the system. See "Opening the System."

CAUTION: Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions. See your Product Information Guide for more information.

Replace the RAID battery. See "Activating the Optional Integrated RAID Controller" in "Installing Drives."
Close the system. See "Closing the System."
Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.

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

Error message indicates a RAID controller problem.
RAID controller performs incorrectly or not at all.

Action

Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running the System Diagnostics."
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Ensure that the controller card is firmly seated in its connector. See "Installing an Expansion Card" in "Installing System Components."
Ensure that the appropriate cables are firmly connected to their corresponding connectors on the controller card and SCSI backplane.
Close the system. See "Closing the System."
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

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

Action

Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Ensure that each expansion card is firmly seated in its connector. See "Installing an Expansion Card" in "Installing System Components."
Close the system. See "Closing the System."
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.

If the problem persists, go to the next step.

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

If the tests fail, see "Getting Help."

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. See "Installing an Expansion Card."
3. Close the system. See "Closing the System."
4. Run the appropriate diagnostic test.

If the tests fail, see "Getting Help."

Troubleshooting the Microprocessors

Problem

Error message indicates a processor problem.
A heat sink is not installed for each processor.

Action

Run the appropriate online diagnostics test. See "Using Server Administrator Diagnostics" in "Running the System Diagnostics."
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Ensure that each processor and heat sink are properly installed. See "Replacing the Processor" in "Installing System Components."
Close the system. See "Closing the System."
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
Run the appropriate online diagnostic test.

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

Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Remove the second processor, leaving only processor 1 installed. See "Replacing the Processor" in "Installing System Components."

To locate the processors, see Figure A-3.

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

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

If the tests complete successfully, go to step 19.

Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Replace processor 1 with another processor of the same capacity. See "Replacing the Processor" in "Installing System Components."
Close the system. See "Closing the System."
Run the appropriate online diagnostic test.

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

Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
Open the system. See "Opening the System."
Reinstall the second processor that you removed in step 10. See "Replacing the Processor" in "Installing System Components."
Close the system. See "Closing the System."
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