Table 2-1 found in this document lists failure symptoms and possible causes. The most likely cause is listed first. Make sure you complete all items in the cause or Action/FRU column. This index can also be used to help you decide which FRUs to have available when servicing a system.
Symptoms, Messages, Error
Codes, or Beeps |
Action/FRU |
Note: To diagnose a problem, first find the symptom, message, error code, or beeps in left column. If directed to a check procedure, replace the FRU indicated in the check procedure. If no check procedure is indicated, the first Action/FRU listed in right column is the most likely cause. |
|
Symptoms |
|
Address Exceeds the Size of Your Memory.
An invalid memory address was entered. Diagnostics Tests display this message during the Locate Bad Chips option. |
Enter the correct address.
Memory Module
System Board |
Arithmetic Functions Failed. An error was detected during the CPU Test. |
Processor
System Board |
Audio software program invoked but no sound comes out of speakers. |
Audio amplifier card cable, jumpers
Sound volume control
Speakers
System board |
Audio software program does not initiate in software but CD/DVD-ROM drive works normally. |
System board |
Base Memory Test Failed. An error was detected in base memory. |
Memory Module
System Board |
Blinking cursor only and machine not working normally. |
Factory-Installed Drive Devices
Diskette drive connection/cable
Diskette drive
System board |
Boot Sector Unreadable. A boot sector read error was detected on the hard disk drive. |
Hard Disk Drive
Hard Disk Drive Cable
System Board |
Bus Noise Test Failed. RAM Test detected an error in the memory bus. |
Memory Module
System Board |
Butterfly Cylinder Access Test Failed.
Hard Disk Drive Test detected
mismatch between the data read
and the data stored on the drive. |
Hard Disk Drive
Hard Disk Drive Cable
System Board |
Cannot finish diagnostic test. |
Diagnostics and Utilities Device Presence
Test |
3.5-in. diskette drive does not work. |
Factory-Installed Drive Devices
Diskette drive connection/cable
Diskette drive
System board |
CD/DVD-ROM drive LED came on and stayed on more than 20 seconds before shutting off. Software asks to install disc.
Software displays a Reading CD
error. |
CD is not inserted properly.
CD is damaged.
CD has dirt or foreign material on it. |
CD/DVD-ROM drive LED comes on when inserting a disc but no CD/DVD-ROM drive icon appears in the 'My Computer' or 'Explorer' as Drive D. |
Factory-Installed Drive Devices
CD/DVD-ROM drive connections, cables, or jumpers
CD/DVD-ROM drive |
CD/DVD-ROM drive LED does not come on when inserting a disc in the drive when the
system is powered on and the CD/DVD-ROM drive power connector has the correct voltage. |
CD/DVD-ROM drive |
CD/DVD-ROM drive does not read data files and no error codes or messages are displayed.
Cannot read from Drive E. Retry loading CD message is displayed with disc loaded in CD/DVD-ROM drive.
Sound adapter card works properly. |
Check with a known good disc and correct level of software.
CD/DVD-ROM drive |
CD/DVD-ROM drive does not play an audio disc. Sound function works properly.
CD/DVD-ROM drive reads data files. |
Check the audio cable on CD/DVD-ROM drive to the system board. If music can be heard through headphones plugged into the audio out jack on the system board, replace the CD/DVD-ROM drive. |
Clock Stopped.
Real-time clock has stopped working. |
RTC Battery
System Board |
CMOS Clock Test Failed
Time and Date Settings for CMOS and DOS do not Match. |
RTC Battery
System Board |
Communication problem.
Modem function does not work properly. |
"33.6 Kbps and 56 Kbps DSVD Modem
Adapters"
Modem card
System Board |
Controller Diagnostic Test Failed.
An error was detected while testing the Hard Disk Controller (Adapter). |
Hard Disk Drive
System Board |
Cylinder 0 errors.
Test detected an error reading the first cylinder of the hard disk drive. |
Hard Disk Drive
System Board |
Device is Not Ready
Ready the Device...
or
Press Any Key |
Ensure the device is powered on.
Replace failing device
Device Adapter (if installed)
System Board |
Diskette drive indicator LED remains on or does not light when drive is active. |
Diskette drive connection/cable
Diskette drive
System board |
Disk Error Encountered Opening Output File Press Any Key To Continue. |
Hard Disk Drive
System Board |
DMA #X Failed
Main Components Test detected an error while testing the DMA controller. |
System Board |
DMA Page Register Failed
DMA page register error |
System Board |
Drive (x) Media (y) Mismatch
FAT ID mismatch with installed drive. |
Check diskette and diskette drive capacity.
Diskette Drive
System Board |
Error in video buffer.
Bad bits.
Video memory test error. |
Video Adapter
System Board
Display |
Extended Memory Test Failed.
Extended memory error. |
Memory Module
System Board |
Modem function has no sound output. (Data files are received normally; sound or sound
function works correctly.) |
Check jumper settings and cable connections on system board
"33.6 Kbps and 56 Kbps DSVD Modem
Adapters"
System Board |
FAX function does not receive data files. |
"33.6 Kbps and 56 Kbps DSVD Modem
Adapters"
System Board |
FAX/voice function has no sound output. (Data files are received normally; sound function does not produce sound or cannot be activated in software.) |
Audio amplifier card
Cables, connectors
System Board |
Floppy Drive Failed.
Diskette drive(s) failed. |
Diskette Drive
System Board
Diskette Drive Cable |
General Function Failed.
Remove one adapter at a time until the symptom goes away. |
Any Adapter
System Board |
Hard disk or power-on indicator LED does not light but machine functions normally otherwise. |
Check J38(A-1), or J22(A-2) voltages, with power-on:
J38/J22 Hard Disk
Pin Normal Running
1 0 V dc
2 0 V dc
3 +5 V dc 0 V dc
4 +5 V dc
5 +5 V dc
6 0 V dc
Pins 3,4 = Hard Disk Drive
Pins 2,4 = Power-on LED
LED connection/cable assembly
System board |
Hard Drives Failed.
Hard Disk Drive test error. |
Hard Disk Drive
System Board |
Home Automation failures |
Home Director on page 4-17 of the HMM |
Incorrect DOS version. |
Ensure you are using DOS version 3.0 or higher. |
INT Mask Register Failed.
INT Mask Register error. |
Processor
System Board |
Insert a CD message icon appears when a known good Diagnostics and Utilities CD is inserted in the CD/DVD-ROM drive. |
Ensure the hard disk drive and CD/DVD-ROM drive are not disabled in the startup sequence in the Setup Utility.
Hard disk drive preloaded software
CD/DVD-ROM drive connection/cable
CD/DVD-ROM drive
System board |
Intensity or color varies from left to right of characters and color bars. |
Monitor
System board |
Invalid Date
Clock/DOS date mismatch. |
RTC Battery
System Board |
Invalid Format-Bad Track
error message appears when trying to format a known-good diskette. |
Diskette drive connection/cable
Diskette drive
System board |
Incorrect memory size shown or repeated during POST. |
Memory |
Invalid Time
Clock/DOS time mismatch.
Back-up clock and DOS time of
day settings do not match. |
RTC Battery
System Board |
Joystick does not respond at all. |
1. Ensure the joystick is plugged completely into the joystick/MIDI adapter plug on the system board and secured with the screws on the adapter plug.
2. Verify that the software application used with the joystick has joystick support.
3. Ensure the joystick is enabled in the software application. This might require entering keystrokes or a configuration utility in the software application.
If the above steps find no problem, see the
"Joystick does not work correctly" symptom
below. |
Joystick does not work correctly (installation is correct see above symptom). |
1. Disable the joystick in the software
application.
2. Enable the mouse as the input device in the software application.
3. If the mouse works in the software application, replace the joystick. If the symptom remains, replace the system board.
4. If the mouse does not work, check the software application troubleshooting
information provided by the manufacturer. |
Linear Cylinder Access Test Failed.
Hard disk drive error. |
Hard Disk Drive
Hard Disk Drive Cable
System Board |
Logic Function Failed.
CPU Logic test error. |
Processor
System Board |
Loopback Error COM Port Test or Parallel Port error.
A wrap plug must be installed to successfully complete these tests. |
System Board
Wrap Plug |
Machine works but fails to go into Power Management mode when configuration is set with Standby mode enabled or Rapid
Resume mode enabled. |
Software application was fully activated before on/off switch was pushed. Try operating Power Management from Microsoft Windows 95 Program Manager panel. |
Main Components Failed.
System board error. |
System Board
Processor |
Memory test cannot run at this location in memory.
Not enough free memory available to start the memory test. |
Memory Module
System Board |
Missing PC-Doctor Files(s).
One or more diagnostic support files are missing. |
Diagnostic CD |
Monitor problem:
Incorrect colors
No high intensity
Missing, broken, or incorrect characters
Blank monitor (dark)
Blank monitor (bright)
Distorted image
Unreadable monitor
Other monitor problems |
Monitor
I/O monitor signal connection/cable
Monitor
System board |
Monitor changing colors. |
Monitor |
Monitor problem not listed above (including blank or illegible monitor). |
Monitor
System board |
No beep during POST. |
Normal condition. There are no beeps
during POST. Any beep indicates an error. |
Non-system disk or disk error message appears with a known-good Advanced Diagnostics diskette. |
Diskette drive connection/cable
Diskette drive
System board |
No Loop-Back Plug.
Skipping External loopback test.
No wrap plug installed. |
Install wrap plug on the serial port, rerun test.
System Board |
No system power, or fan not running. |
Power Supply
Power switch assembly
Power supply
System board |
Not ready.
Printer not on-line or not ready. |
Ready Printer
Printer
Printer Cable
System Board |
No 'type-amatic' repeat.
At least one repeat key must be tested during this test or an error will occur. Type-amatic test error. |
Keyboard
System Board |
Not used by any standard device.
IRQ is not currently being used by a non-standard device. |
System Board |
Numeric Proc Failed.
NPU test error. |
Processor
System Board |
Parallel Port Failed.
Test Report Summary message. |
System Board |
Parallel port or serial port failure (system board port). |
"Diagnostics and Utilities Device Presence
Test"
Test using a wrap plug while running
Diagnostics and Utilities.
Cable/connections
System board |
Pass (N): ** Errors ** Drive (X) Failed.
Diskette drive read/write test error. |
Diskette Drive
System Board
Diskette Drive Cable |
Pass (N) Drive Not Ready.
Diskette drive door is open or defective. |
Ensure diskette drive is ready.
Diskette Drive
System Board
Diskette Drive Cable |
Pass (N): Drive (X) Write Protected or Unformatted. |
Insert a non-write protected, formatted
diskette into the diskette drive; then rerun the test.
Diskette Drive
System Board
Diskette Drive Cable |
Pass (N): Unknown Media Drive (X).
Diskette Drive Test error. |
Diskette
Diskette Drive
System Board
Diskette Drive Cable |
Place Hi-density Media in Drive.
Media/drive mismatch. |
Diskette
Diskette Drive
System Board
Diskette Drive Cable |
Printer Failed.
Printer powered-on and ready? |
Printer
Printer Cable
System Board |
Printer Fault.
Printer powered on and ready? |
Printer
Printer Cable
System Board |
Printer Not Selected.
Ensure the printer is powered on and ready. |
Printer
Printer Cable
System Board |
Printer problems |
Refer to the service manual for the printer. |
System fan does not run when the power supply fan runs. |
With power-on, check the system fan connector J1 on Type A-1 system board and connector J16 on Type A-2 system board for +12 V dc.
Processor fan
System board |
Processor speed seems slower. |
Memory
Cache memory
System board |
Program loads from the hard disk with a known-good CD in the CD/DVD-ROM drive or diagnostics diskette in the first 3.5-inch diskette drive (and CD/DVD-ROM drive or diskette drive is enabled in the Setup Utility). |
Factory-Installed Drive Devices
CD/DVD-ROM Drive
Diskette Drive
System Board
Power Supply |
Program or File
Not Found
Press Any Key
Diagnostics cannot find the
USER(N).COM file. |
Diagnostic CD or diskette
CD/DVD-ROM Drive or Diskette Drive
System Board |
Program Too Big To Fit In Memory.
Too many Terminate and Stay Resident programs in memory. |
Reboot the system from the Diagnostic CD. |
System unit does not turn off with power switch. (System unit must be unplugged from electrical outlet to completely turn off.) |
Power Supply
Power switch assembly
System Board |
QAPlus/PRO Cannot Be Re-run Because Of Error In Relocating Program.
Diagnostics failed to relocate the Diagnostics Test programs so the memory space it resides in was not tested. |
Diagnostic CD
Memory Module
System Board |
RAM Memory Error in Block n.
Bad bits n.
Memory error. |
Memory Module
System Board |
RAM Test Failed.
Memory error. |
Memory Module
System Board |
Read error on cylinder n.
Hard disk drive format error. |
Hard Disk Drive
System Board |
Read Errors
Diskette drive read error. |
Diskette
Diskette Drive
System Board
Diskette Drive Cable |
Real-time clock is inaccurate. |
Time set incorrectly by user.
RTC battery (if less than 2.8 V dc)
System Board |
Receive Error.
Serial Port loopback test error. |
Serial Port Cable
System Board |
Refresh Failure.
Diagnostics Test detected an error while testing the DMA controller's RAM refresh cycle. |
Memory Module
System Board |
RTC Interrupt Failure.
Diagnostics Test cannot detect the Real-Time clock interrupt. |
System Board |
Serial Chip Error.
COM Port error, general. |
Serial Port Cable
System Board |
Serial Compare Error.
COM Port error, information transmitted is not the same as information received. |
Serial Port Cable
System Board |
Serial Time-out Error.
COM Port error, time interval is too long between transmitted and received data. |
Serial Port Cable
System Board |
Serious Memory Error Diags
Cannot Continue.
Memory Test error. |
Memory Module
System Board |
Some or all keys on keyboard do not work. |
Keyboard
Keyboard connection/cable
Media Console (Type 2142)
System Board |
Serial or parallel port device failure (adapter port). |
Factory-Installed Drive Devices
Test using a wrap plug while running
Diagnostics and Utilities. Before testing,
ensure serial port A is set to address 3F8
or 3E8, whichever is not used by the Modem card (modem settings: COMM1=3F8, COMM2=3E8). Set serial port B to address 2F8 or 2E8.
Device
Cable/connections
Alternate adapter
System Board |
Sorry You Need A Mouse.
Mouse or mouse driver was not
detected. |
Mouse
System Board |
Factory-installed adapter card software gives a Microsoft Windows 95 error message after POST configuration.
Hardware problem occurred. |
Adapter connection/cable
Adapter jumper settings
Adapter card |
System fails to load the
Diagnostics and Utilities software
System preloaded software works correctly. |
Make sure the CD/DVD-ROM drive or
diskette drive is included in the Setup Utility
startup sequence.
Factory-Installed Drive Devices
CD/DVD-ROM drive connection/cable
CD/DVD-ROM drive
Diskette drive connection/cable
Diskette drive
System Board |
System Hangs. |
Any device
Any adapter
System Board |
The Address Exceeds The Size Of Your Memory.
An invalid memory address was entered. The Diagnostics Tests display this message during the Locate Bad Chips option under the interact menu if an invalid memory address was entered at the "Enter Memory Address Of Bad Chip" prompt. |
Enter correct address
Memory Module
System Board |
That Number is Out Of Range.
An invalid bit number was entered. Diagnostics Tests display this message during the Locate Bad Chips option. |
Enter the correct number.
Memory Module
System Board |
Too Many Errors - Test Aborted.
Too many errors, the Diagnostics
Test cannot continue. |
Processor
System Board |
Transmit Error.
Internal or external serial port loopback test failure. |
Serial Port Cable
System Board |
Video Adapter Failed.
Test Result Summary, displayed if "Fail" was at the Quit/Fail/Pass menu of any video test. |
Video Adapter
System Board
Display |
Write error on cylinder n.
Hard disk drive write error. |
Hard Disk Drive |
Write Errors.
Diskette drive write error. |
Diskette
Diskette Drive
System Board
Diskette Drive Cable |
Write Protected or Unformatted Diskette is Write Protected or not formatted. |
Insert a non-write protected, formatted
diskette into the diskette drive; then rerun
the test.
Diskette Drive
System Board
Diskette Drive Cable |
You Cannot Delete the Motherboard.
"Remove Board" option was selected. The Diagnostics Tests display this message during the Locate Bad Chips option. |
Make the correct selection.
Memory Module
System Board
Processor |
Any other problem |
Undetermined Problems |
Symptoms, Messages, Error
Codes, or Beeps |
Action/FRU |
Error Codes |
|
107 - System board, processor
update error. (A-2 system board only) |
Flash BIOS
System Board |
10X - System board error or continuous beep. |
System Board |
110 - System board parity error. |
Memory
DIMMs
System Board |
111 - I/O channel parity error. |
Memory
I/O channel memory
System Board |
114 - External ROM checksum error. |
Adapter Card
System Board |
129 - Cache memory error |
Memory
For A-1 system board: System Board
For A-2 system board: Processor |
12X - Processor error. |
Run the Setup Utility
Processor
System Board |
13X - System board error. |
Run the Setup Utility
Processor
System Board |
151 - Real-time clock failure |
System board |
161 - Low CMOS battery. |
CMOS clock/battery (if less than 2.8 V dc)
Run the Setup Utility; see POST Error
Codes on page 2-3 of the HMM.
System Board |
162 - CMOS RAM error. |
CMOS clock/battery (if less than 2.8 V dc)
Run the Setup Utility
System Board |
163 - Real-time clock error. |
Set date and time.
Run the Setup Utility
CMOS clock/battery (if less than 2.8 V dc)
System Board |
164 - Memory size error. |
Memory
DIMMs
System Board |
1XX errors not listed above. |
System Board |
20X - Memory error |
Memory
DIMMs
System Board |
262 - DRAM parity configuration error. |
Memory
Run the Setup Utility
DIMMs
System Board |
305 - System board non-replaceable fuse can be blown by a defective keyboard, keyboard cable, or mouse. If you suspect one of these FRUs, replace it when you replace the system board. |
Keyboard
Keyboard connection/cable
Mouse
System Board |
3XX - Keyboard error. |
Keyboard
Keyboard connection
Keyboard
Media Console (Type 2142)
System Board |
602 - Invalid diskette boot record. |
Diskette media
Diskette connection/cable
Diskette drive |
662 - Diskette drive configuration error. |
Factory-Installed Drive Devices
Diskette drive connection/cable
Diskette drive
Power supply
System Board |
6XX - Other configuration errors. |
Factory-Installed Drive Devices
Diskette drive connection/cable
Diskette drive
Power supply
System Board |
7XX - Math coprocessor error. |
Diagnostics and Utilities Device Presence
Test
Upgrade processor (check Setup Utility,
and system board settings).
System Board |
962 - Parallel port conflict. |
Test using a wrap plug while running
Diagnostics and Utilities.
Diagnostics and Utilities Device Presence
Test
Parallel adapter card, if installed
System Board |
1162 - Serial port conflict. |
Test using a wrap plug while running
Diagnostics and Utilities.
Diagnostics and Utilities Device Presence
Test
Serial adapter card, if installed
System Board |
11XX - Serial port test errors not listed above. |
Test using a wrap plug while running Diagnostics and Utilities.
Diagnostics and Utilities Device Presence
Test
Serial adapter card, if installed
System Board |
On the system board:
1780/1790 - Hard Disk Drive 0
1781/1791 - Hard Disk Drive 1
1782/1792 - Hard Disk Drive 2 or
CD/DVD-ROM drive
1783/1793 - Hard Disk Drive 3 or
CD/DVD-ROM drive if Hard Disk Drive 2 installed |
Hard disk drive connection/cable/jumpers.
If an upgrade processor is installed, check that the proper speed has been set
(switches and Setup Utility). Speed should be a multiple of the original processor
speed.
Hard disk drive size set correctly in Setup
Utility.
Hard disk drive
System Board
|
17XX - Hard disk drive error.
(All 17XX errors not listed above)
|
Factory-Installed Drive Devices
Hard disk drive jumpers
Hard disk drive connection/cable
Hard disk drive
System Board
Power Supply |
1800 - PCI Error (IRQ not available). |
A PCI adapter card has requested a
hardware interrupt that is not available.
1. Choose ISA Legacy Resources from
the Setup Utility main menu, and make
sure the interrupt resources (IRQ)
setting for ISA legacy adapter cards
are correct. If the interrupt resources
settings are not correct, change the
settings. See "Using the Setup Utility"
on page 1-16 of the HMM.
2. If all interrupts are being used by ISA
legacy adapter cards, you might need
to remove an ISA card to make memory available to the PCI adapter card. |
1801 - PCI Error (ROM not available). |
A PCI adapter card has requested memory
resources that are not available.
1. Choose ISA Legacy Resources from
the Setup Utility main menu, and make
sure the memory resources settings for
ISA legacy adapter cards are correct.
If the memory resources settings are
not correct, change the settings.
2. If all memory resources are being used
by ISA legacy adapter cards, you might
need to remove an ISA card to make
memory available to the PCI adapter
card. |
1802 - PCI Error (I/O address not available). |
A PCI adapter card has requested an I/O
address that is not available, or the PCI
adapter card might be defective.
Choose ISA Legacy Resources from the
Setup Utility main menu, and make sure the I/O port resources settings for ISA legacy
adapter cards are correct. If the I/O port
resources settings are not correct, change
the settings.
If the I/O port resources settings are
correct, the PCI adapter card might be
defective. |
1803 - PCI Error (memory above 1 MB not available). |
A PCI adapter card has requested a
memory address that is not available, or the
PCI adapter card might be defective. Choose ISA Legacy Resources from the
Setup Utility main menu, and make sure the
memory resources settings for ISA legacy
adapter cards are correct. If the memory
resources settings are not correct, change
them.
If the memory resources settings are
correct, the PCI adapter card might be
defective. |
1804 - PCI Error (memory below
1 MB not available). |
A PCI adapter card has requested a
memory address that is not available.
1. Choose ISA Legacy Resources from
the Setup Utility main menu, and make
sure the memory resources settings for
ISA legacy adapter cards are correct. If the settings are not correct, change the settings.
2. If all memory resources are being used
by ISA legacy adapter cards, you might
need to remove an ISA card to make
memory available to the PCI adapter card. |
1805 - PCI Error (ROM error). |
Remove the PCI adapter card.
Restart the computer without the card
installed. If the computer restarts without
an error, reinstall the card and restart the
computer again. If the error reoccurs, the
adapter card might be defective. |
1806 - No more DMA channels available |
Too many adapters installed. |
2401 - Monitor changing colors. |
Monitor |
2462 - Video configuration error |
Video memory, if installed
System Board |
24XX - Video/monitor error. |
Monitor
Optional video memory
System Board |
5801 - Media Console error |
Check Media Console cable
Replace Media Console |
5803 - Keyboard error attached to Media Console |
Keyboard |
5806 - Diskette error attached to Media Console |
Check Diskette cable
Diskette |
5859 - CD/DVD-ROM error attached to Media Console |
Check CD/DVD-ROM drive cable
CD/DVD-ROM Drive |
5862 - Host Card error |
Host Card |
5886 - Pointing device attached to Media Console |
Check Pointing device cable
Pointing device |
5962 - CD/DVD-ROM configuration error (sound adapter card driver works correctly). |
Factory-Installed Drive Devices
CD/DVD-ROM drive connections, cables, and jumpers
CD/DVD-ROM drive
Power supply
System Board |
86XX - Pointing device error or mouse does not work. |
Mouse
Pointing device connection/cable
Pointing device
System Board |
I999030X - Hard disk reset/boot failed |
Possible hard disk drive problem. See "Hard Disk Drive Boot Error" on
page 3-10 of the HMM. |
Any other error codes |
Undetermined Problems |