Dell PowerEdge 1950: Troubleshooting Your System
Troubleshooting Your System: Dell PowerEdge 1950
4
Troubleshooting Your System
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: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online
or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the product.
Start-Up Routine
Look and listen during the system's start-up routine for the indications described in Table 1-1.
Table 4-1. Start-Up Routine Indications
Look/listen for: Action
A status or error message displayed on the front-panel
See "LCD Status Messages" on page 17.
LCD.
An error message displayed on the monitor. See "System Messages" on page 25.
Alert messages from the systems management software. See the systems management software documentation.
The monitor's power indicator. See "Troubleshooting the Video Subsystem" on page 95.
The keyboard indicators. See "Troubleshooting the Keyboard" on page 95.
The USB CD drive activity indicator. See "Troubleshooting a USB Device" on page 97.
The CD drive activity indicator. See "Troubleshooting an Optical Drive" on page 103.
The hard-drive activity indicator. See "Troubleshooting a Hard Drive" on page 104.
An unfamiliar constant scraping or grinding sound when
See "Getting Help" on page 125.
you access a drive.
Troubleshooting Your System 93
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" on page 94.
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
IRQ Line Assignment
IRQ0 System timer
IRQ1 Keyboard controller
IRQ2 Interrupt controller 1 to enable IRQ8 through IRQ15
IRQ3 Available
IRQ4 Serial port 1 (COM1 and COM3)
IRQ5 Remote access controller
IRQ6 Reserved
IRQ7 Reserved
IRQ8 Real-time clock
IRQ9 ACPI functions (used for power management)
IRQ10 Available
IRQ11 Available
IRQ12 Available
IRQ13 Math coprocessor
IRQ14 IDE CD drive controller
IRQ15 Available
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 "Front-Panel Features and
Indicators" on page 11 and "Back-Panel Features and Indicators" on page 14 for the front- and back-panel
connectors on your system.
94 Troubleshooting 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 connector 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" on page 111.
If the tests run successfully, the problem is not related to video hardware.
If the tests fail, see "Getting Help" on page 125.
Troubleshooting the Keyboard
Problem
• System message indicates a problem with the keyboard
• Keyboard is not functioning properly
Action
1
Examine the keyboard and its cable for signs of damage.
2
Swap the faulty keyboard with a working keyboard.
If the problem is resolved, replace the faulty keyboard. See "Getting Help" on page 125.
3
Enter the System Setup program and ensure that the USB ports are enabled. See "Using the System Setup
Program" on page 31.
If the problem is not resolved, see "Getting Help" on page 125.
4
Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page 111.
Troubleshooting Your System 95
Troubleshooting the Mouse
Problem
• System message indicates a problem with the mouse.
• Mouse is not functioning properly.
Action
1
Examine the mouse and its cable for signs of damage.
If the mouse is not damaged, go to step 4.
2
Enter the System Setup program and ensure that the USB ports are enabled. See "Using the System Setup
Program" on page 31.
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" on page 125.
4
If the problem is not resolved, see "Getting Help" on page 125.
5
Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page 111.
If the test fails, continue to the next step.
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 the serial port/COM ports
are configured appropriately for any applications you are using. See "Using the System Setup Program"
on page 31.
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" on page 111.
If the tests run successfully but the problem persists, see "Troubleshooting a Serial I/O Device" on
page 97.
96 Troubleshooting Your System
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.
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" on page 125.
If the problem persists, see "Getting Help" on page 125.
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" on page 31.
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" on page 125.
5
If possible, swap the interface cable with a working cable.
If the problem is resolved, replace the interface cable. See "Getting Help" on page 125.
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" on page 125.
If the problem persists, see "Getting Help" on page 125.
Troubleshooting Your System 97
Troubleshooting a NIC
Problem
• NIC cannot communicate with network.
Action
1
Run the appropriate online diagnostic test. See "Running the System Diagnostics" on page 111.
2
Check the appropriate indicator on the NIC connector. See "NIC Indicator Codes" on page 16.
• 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 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 documentation.
4
Enter the System Setup program and confirm that the NICs are enabled. See "Using the System Setup
Program" on page 31.
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. See Network
Cable Requirements in your
Getting Started Guide
.
Troubleshooting a Wet System
Problem
• Liquid spilled on the system.
• Excessive humidity.
Action
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2
Open the system. See "Opening and Closing the System" on page 46.
3
Remove all expansion cards installed in the system. See "Removing an Expansion Card" on page 62.
98 Troubleshooting Your System
4
Let the system dry thoroughly for at least 24 hours.
5
Close the system. See "Opening and Closing the System" on page 46.
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" on page 125.
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" on page 61.
8
Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page 111.
If the tests fail, see "Getting Help" on page 125.
Troubleshooting a Damaged System
Problem
• System was dropped or damaged.
Action
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1
Open the system. See "Opening and Closing the System" on page 46.
2
Ensure that the following components are properly installed:
• Expansion cards and risers
• Power supplies
• Processor and heatsink
• Memory modules
•Fans
• Drive-carrier connections to the SAS backplane board, if applicable
3
Ensure that all cables are properly connected.
4
Close the system. See "Opening and Closing the System" on page 46.
5
Run the system board tests in the system diagnostics. See "Running the System Diagnostics" on page 112.
If the tests fail, see "Getting Help" on page 125.
Troubleshooting Your System 99
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" on
page 31.
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"
on page 86.
If the problem is not resolved by replacing the battery, see "Getting Help" on page 125.
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: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1
Run the appropriate online diagnostics test. See "Using Server Administrator Diagnostics" on page 111.
2
Locate the faulty power supply.
100 Troubleshooting Your System
The power supply's fault indicator is lit. See "Power Indicator Codes" on page 15.
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, without a power supply blank installed, can cause the system to overheat.
Remove the faulty power supply. See "Power Supplies" on page 53.
3
Ensure that the power supply is properly installed by removing and reinstalling it. See "Power Supplies"
on page 53.
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" on page 15.
If the problem persists, see "Getting Help" on page 125.
Troubleshooting System Cooling Problems
Problem
• Systems management software issues a fan-related error message.
Action
Ensure that none of the following conditions exist:
• Ambient temperature is too high.
• External airflow is obstructed.
• Cables inside the system obstruct airflow.
• An individual cooling fan has failed. See "Troubleshooting a Fan" on page 101.
Troubleshooting a Fan
Problem
• System-status indicator is amber.
• Systems management software issues a fan-related error message.
• Display module LCD indicates a problem with the fan.
Action
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1
Run the appropriate diagnostic test. See "Using Server Administrator Diagnostics" on page 111.
Troubleshooting Your System 101
2
Open the system. See "Opening and Closing the System" on page 46.
CAUTION: The cooling fans are not 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 display or diagnostic software. For the identification number
of each fan, see "Removing and Installing a Cooling Fan" on page 49.
4
Ensure that the faulty fan's power cable is firmly attached to the fan power connector. See "Cooling Fan
Modules" on page 48.
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 "Cooling Fan Modules" on page 48.
If the replacement fan is working properly, close the system. See "Opening and Closing the System" on
page 46.
If the replacement fan does not operate, see "Getting Help" on page 125.
Troubleshooting System Memory
Problem
• Faulty memory module.
• Faulty system board.
• Front-panel status LCD indicates a problem with system memory.
Action
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1
Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page 111.
2
Turn on the system and attached peripherals.
If an error message does not appear, continue to the next step.
If an error message appears, go to step 12.
3
Enter the System Setup program and check the system memory setting. See "Entering the System Setup
Program" on page 31.
If the amount of memory installed matches the system memory setting, go to step 12.
4
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
5
Open the system. See "Opening and Closing the System" on page 46.
6
Remove the memory cooling shroud. See "Removing the Memory Cooling Shroud" on page 52.
102 Troubleshooting Your System
7
Reseat the memory modules in their sockets. See "Installing Memory Modules" on page 65.
8
Replace the memory cooling shroud. See "Replacing the Memory Cooling Shroud" on page 53.
9
Close the system. See "Opening and Closing the System" on page 46.
10
Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.
11
Enter the System Setup program and check the system memory setting. See "Using the System Setup
Program" on page 31.
If the amount of memory installed does not match the system memory setting, then perform the following
steps:
a
Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
b
Open the system. See "Opening and Closing the System" on page 46.
NOTE: Several configurations for memory modules exist; see "General Memory Module Installation
Guidelines" on page 64.
c
Swap the memory module in socket 1 with another of the same capacity. See "Installing Memory
Modules" on page 65.
d
Close the system. See "Opening and Closing the System" on page 46.
e
Reconnect the system to its electrical outlet, and turn on the system and attached peripherals.
f
As the system boots, observe the monitor screen and the indicators on the keyboard.
12
Perform the following steps:
a
Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
b
Open the system. See "Opening and Closing the System" on page 46.
c
Perform step c through step f in step 11 for each memory module installed.
If the problem persists, see "Getting Help" on page 125.
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.
NOTE: DVD devices are data only.
Action
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
Troubleshooting Your System 103
1
Try using a different CD or DVD 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" on page 31.
3
Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page 111.
4
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
5
Open or remove the bezel. See "Removing and Replacing the Front Bezel" on page 45
6
Open the system. See "Opening and Closing the System" on page 46.
7
Ensure that the interface cable is securely connected to the optical drive and to the sideplane.
8
Remove the SAS controller daughter card or the SAS RAID controller daughter card, as applicable. See
"Removing a SAS Controller Daughter Card" on page 56.
9
Close the system. See "Opening and Closing the System" on page 46.
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" on page 125.
Troubleshooting a Hard Drive
Problem
• Device driver error.
• One or more hard drives not recognized by the system.
Action
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
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" on page 111.
Depending on the results of the diagnostics test, proceed as needed through the following steps.
2
Remove the bezel. See "Removing and Replacing the Front Bezel" on page 45.
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.
a
Restart the system and press <Ctrl><R> to enter the host adapter configuration utility program.
104 Troubleshooting Your System
See the documentation supplied with the host adapter for information about the configuration utility.
b
Ensure that the hard drive has been configured correctly for the RAID.
c
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" on page 76.
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" on page 125.
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" on page 125.
8
Check the cable connections inside the system:
a
Turn off the system, including any attached peripherals, and disconnect the system from the electrical
outlet.
b
Open the system. See "Opening and Closing the System" on page 46.
c
Verify that the cable connections between SAS backplane(s) and the SAS daughter card are correct.
See "Installing a SAS Controller Daughter Card or SAS RAID Controller Daughter Card" on page 56.
d
Verify that the SAS cables are securely seated in their connectors.
e
Verify that the power connectors on the SAS backplane(s) are securely seated in their connectors.
f
Close the system. See "Opening and Closing the System" on page 46.
g
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
If the problem persists,
see "Getting Help" on page 125.
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.
Troubleshooting Your System 105
Action
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1
Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page 111.
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" on page 31.
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 and Replacing the Front Bezel" on page 45.
6
Turn off the system and attached peripherals, and disconnect the system from its electrical outlet.
7
Open the system. See "Opening and Closing the System" on page 46.
8
Ensure that the controller card is firmly seated in its connector. See "SAS Controller Daughter Card" on
page 56.
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 "Installing a SAS Controller Daughter Card or SAS RAID Controller Daughter Card" on
page 56.
11
Ensure that the cables are firmly connected to the SAS controller daughter card and the SAS backplane
board.
12
Close the system. See "Opening and Closing the System" on page 46.
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" on page 125.
• If you have a SAS RAID controller daughter card, replace the SAS RAID daughter card battery
.
See
"Installing a RAID Battery" on page 60. If replacing the battery does not solve the problem,
see
"Getting Help" on page 125.
106 Troubleshooting Your System
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: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1
Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page 111.
2
Open or remove the bezel. See "Removing and Replacing the Front Bezel" on page 45.
3
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
4
Open the system. See "Opening and Closing the System" on page 46.
5
Ensure that each expansion card is firmly seated in its connector. See "Installing an Expansion Card" on
page 61.
6
Close the system. See "Opening and Closing the System" on page 46.
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 and Closing the System" on page 46.
10
Remove all expansion cards installed in the system. See "Installing an Expansion Card" on page 61.
11
Close the system. See "Opening and Closing the System" on page 46.
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" on page 125.
14
For each expansion card you removed in step 10, perform the following steps:
a
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
b
Open the system. See "Opening and Closing the System" on page 46.
c
Reinstall one of the expansion cards.
Troubleshooting Your System 107
d
Close the system. See "Opening and Closing the System" on page 46.
e
Run the appropriate diagnostic test.
If the tests fail,
see "Getting Help" on page 125.
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: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1
Run the appropriate online diagnostics test. See "Using Server Administrator Diagnostics" on page 111.
2
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
3
Open the system. See "Opening and Closing the System" on page 46.
4
Ensure that each processor and heat sink are properly installed. See "Removing the Processor" on page 67.
5
Close the system. See "Opening and Closing the System" on page 46.
6
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
7
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 and Closing the System" on page 46.
10
Remove processor 2, leaving only processor 1 installed. See "Removing the Processor" on page 67.
If only one processor is installed,
see "Getting Help" on page 125.
11
Close the system. See "Opening and Closing the System" on page 46.
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, go to step 19.
14
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
15
Open the system. See "Opening and Closing the System" on page 46.
108 Troubleshooting Your System
16
Replace processor 1 with another processor of the same capacity. See "Removing the Processor" on
page 67.
17
Close the system. See "Opening and Closing the System" on page 46.
18
Run the appropriate online diagnostic test.
If the tests complete successfully, replace processor 1.
See "Getting Help" on page 125.
19
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
20
Open the system. See "Opening and Closing the System" on page 46.
21
Reinstall the processor that you removed in step 10. See "Removing the Processor" on page 67.
22
Close the system. See "Opening and Closing the System" on page 46.
23
Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
If the problem persists,
see "Getting Help" on page 125.
Troubleshooting Your System 109
110 Troubleshooting Your System
