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NOTE: To diagnose a problem, first find the error symptom in the 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.
| Error Symptoms | Action/FRU |
|---|---|
| ----- Processor / Processor Fan ----- | |
| NOTE: Normally, the processor fan should be operative, and the processor clock setting | |
| should be exactly set to match its speed requirement before diagnosing any processor problems. | |
| Processor fan does not run but | Ensure that the system is not in power saving mode |
| power supply fan runs. | and the 'Stop CPU clock in sleep state' is not set to |
| Yes. See 'Power Management' | |
| With the system power on, measure the voltage of | |
| processor fan connector FN1 for 2153/K6, FN3 for 2158, and FN2 for 2163. | |
| Its reading should be +12Vdc. | |
| --- | See 'Machine Type 2153/K6 System Board Layout' |
| See 'Machine Type 2158 System Board Jumpers and Connectors' | |
| and 'Machine Type 2163 System Board Jumpers and Connectors'. | |
| --- | Processor fan. |
| System board. | |
| Processor test failed. | Processor. |
| System board. | |
| ----- System Board and Memory ----- | |
| NOTE: Ensure that the memory modules are installed properly and the contact leads | |
| are clean before diagnosing any system problems. | |
| Memory test failed. | See 'Memory'. |
| System board | |
| Incorrect memory size shown | Insert the memory modules in the DIMM sockets |
| or repeated during POST. | properly, then reboot the system. |
| Memory module. See the 'Step 005' of 'Memory' on | |
| page 55 to replace memory module. | |
| System board. | |
| System works but fails to enter | Enter BIOS Setup and load default settings. |
| power saving mode when the | In Windows 98, check settings in Power Management Property |
| Power Management Mode is set to | of Control Panel. |
| [Enabled], and power saving | Reload software from Recovery CD. |
| timer set in BIOS has elapsed. | |
| System hangs before system | See 'Index of Symptoms, Messages, Error Codes, or Beeps'. |
| boot. | See 'Undetermined Problems' |
| System hangs after system boot. | Execute a system test ('Diagnostics/All Tests' in |
| PC-Doctor diagnostics program) and set it to stop at | |
| 'Halt on Error' to see the potential cause of the problem. | |
| See 'Undetermined Problems'. | |
| Blinking cursor only, system | See 'Start' |
| does not work. | Diskette/IDE drive connection/cables |
| Diskette/IDE disk drives | |
| See 'Undetermined Problems' | |
| System board | |
| ----- Diskette Drive ----- | |
| NOTE: NOTE:Ensure that the diskette drive is configured correctly | |
| in BIOS Setup and its read/write head is clean before diagnosing any diskette drive problems. | |
| Media and drive are | Ensure that the diskette drive is configured correctly |
| mismatched. | in the Disk Drives of BIOS Setup. |
| See 'Hard Disk Drive'. | |
| Ensure that the diskette drive is correctly formatted. | |
| Diskette drive connection/cable | |
| Diskette drive | |
| System board | |
| Diskette drive does not work. | Ensure that the diskette drive is not set to [None] in |
| the Disk Drives of BIOS Setup. | |
| See 'Hard Disk Drive'. | |
| Diskette drive power | |
| Diskette drive connection/cable | |
| Diskette drive | |
| System board | |
| Diskette drive read/write error. | Diskette. |
| Ensure that the diskette drive is not set to [Write protect] | |
| in the Security Options of BIOS Setup. | |
| See 'Security Options'. | |
| Diskette drive cable. | |
| Diskette drive. | |
| System board. | |
| Diskette drive LED comes on | Diskette |
| for more than 2 minutes when | Diskette drive connection/cable |
| reading data. | Diskette drive |
| System board | |
| Diskette drive LED fails to light, | Diskette |
| and the drive is unable to | Diskette drive power |
| access for more than 2 minutes. | Diskette drive connection/cable |
| Diskette drive | |
| System board | |
| Diskette drive test failed. | Diskette |
| Diskette drive | |
| Diskette drive cable | |
| System board | |
| ----- Hard Disk Drive ----- | |
| NOTE: Ensure hard disk drive is configured correctly in BIOS Setup, | |
| cable/jumper are set correctly before diagnosing any hard disk drive problems. | |
| Hard disk drive test failed. | Enter BIOS Setup and Load default settings. |
| Hard disk drive cable. | |
| Hard disk drive. | |
| System board. | |
| Hard disk drive format error. | Enter BIOS Setup and Load default settings. |
| Hard disk drive cable. | |
| Hard disk drive. | |
| System board. | |
| Hard disk drive write error. | Enter BIOS Setup and Load default settings. |
| Hard disk drive. | |
| Hard disk drive LED fails to | With the system power on, measure the voltage of |
| light, but system operates | hard disk LED connector CN2 for 2158 or CN14 for 2163. |
| normally. | The reading should be: |
| 2158(CN2) 2163(CN14) HDD Idle/Active | |
| pin-4 pin-1 +5 Vdc / -- | |
| pin-5 pin-2 +5 Vdc / 0 Vdc | |
| pin-6 pin-3 +5 Vdc / 0 Vdc | |
| pin-7 pin-4 +5 Vdc / -- | |
| See 'Machine Type 2158 System Board Jumpers and Connectors' and | |
| 'Machine Type 2163 System Board Jumpers and Connectors'. | |
| Hard drive LED cable. | |
| ----- CD/DVD-ROM Drive ----- | |
| NOTE: Ensure CD/DVD-ROM drive is configured correctly in BIOS Setup, | |
| cable/jumper are set correctly and its laser beam is clean before diagnosing any | |
| CD/DVD-ROM drive problems. | |
| CD/DVD-ROM drive LED | CD/DVD may have dirt or foreign material on it. |
| flashes for more than 30 | Check with a known good disc. |
| seconds before LED shutting off. | CD/DVD is not inserted properly. |
| Software asks to reinstall disc. | CD/DVD is damaged. |
| Software displays a reading | |
| CD/DVD error. | |
| CD/DVD-ROM drive LED doesn't | CD/DVD-ROM drive |
| come on but works normally. | |
| CD/DVD-ROM drive cannot load | See 'CD-ROM Emergency-exit <option 1>' and |
| or eject when the system is | 'CD-ROM Emergency-exit <option 2>' |
| turned on and its eject button | Disconnect all cables from CD/DVD-ROM drive |
| is pressed and held. | except power cable, then press eject button to try to |
| unload the disk. | |
| CD/DVD-ROM drive power. | |
| CD/DVD-ROM drive | |
| CD/DVD-ROM drive does not | CD may have dirt or foreign material on it. |
| read and there are no error | Check with a known good disc. |
| codes or messages are displayed. | Ensure that the CD/DVD-ROM driver is installed |
| properly. See 'CD/DVD-ROM Drive'. | |
| CD/DVD-ROM drive. | |
| CD/DVD-ROM drive can play | Ensure that the headphone jack of the CD/DVD-ROM has an output, |
| audio CD but no sound output. | then check if the audio cable from CD/DVD-ROM drive to |
| system board CN15(for 2158) or CN8(for 2163) is connected properly. | |
| See 'Machine Type 2158 System Board Jumpers and Connectors' and | |
| 'Machine Type 2163 System Board Jumpers and Connectors'. | |
| Turn up the sound volume. | |
| Speaker power/connection/cable. | |
| CD/DVD-ROM drive. | |
| ----- Real-Time Clock ----- | |
| Real-time clock is inaccurate. | Ensure that the information in the Date and Time of |
| BIOS Setup is set correctly. See 'Date and Time'. | |
| Load default settings. | |
| CMOS battery. | |
| System board | |
| ----- Audio ----- | |
| Audio software program | Speaker power/connection/cable. |
| invokes but no sound comes | |
| from speakers. | |
| ----- Modem ----- | |
| Data/fax modem software | See 'Factory-Installed Modem Card'. |
| program invokes but cannot | |
| receive/send data/fax | |
| Fax/voice modem software | Ensure that the modem voice-in cable from modem |
| program invokes but has no | adapter card to system board CN13(for 2158) or |
| sound output. (Data files are | CN8(for 2163) is connected properly. |
| received normally, voice from | See 'Machine Type 2158 System Board Jumpers and Connectors' and |
| modem cannot be produced, | 'Machine Type 2163 System Board Jumpers and Connectors'. |
| but system sound feature | 'Factory-Installed Modem Card'. |
| works normally.) | |
| Modem ring cannot wake up | Ensure the 'Modem Wake-Up on Ring' in BIOS |
| system from suspend mode. | Setup is set to [Enabled]. |
| See 'Power Management Mode'. | |
| If PCI modem card is used, reinsert the modem card | |
| to PCI slot firmly or replace modem card. | |
| If ISA modem card is used, ensure the modem ring-in | |
| cable from the modem card to system board CN8(for 2158) or | |
| CN13(for 2163) is connected properly. | |
| See 'Machine Type 2158 System Board Jumpers and Connectors' and | |
| 'Machine Type 2163 System Board Jumpers and Connectors'. | |
| In Win 98 ensure that telephone application is configured | |
| correctly for the modem and set to receive messages and/or fax. | |
| ----- Video and Monitor ----- | |
| Video memory test failed. | Remove all non factory-installed cards. |
| Video adapter failed. | Load default settings (if screen is readable). |
| System board | |
| Display problem: | Monitor signal connection/cable. |
| - Incorrect colors | Monitor |
| - No high intensity | Video adapter card (for 2163). |
| - Missing, broken, or incorrect | System board |
| characters | |
| - Blank monitor(dark) | |
| - Blank monitor(bright) | |
| - Distorted image | |
| - Unreadable monitor | |
| - Other monitor problems | |
| Display changing colors. | Monitor signal connection/cable |
| Monitor | |
| System board | |
| Display problem not listed | 'Monitor'. |
| above (including blank or | Load default settings (if screen is readable). |
| illegible monitor). | System board |
| ----- Parallel/Serial Ports ----- | |
| NOTE: Execute 'Load BIOS Default Settings' in BIOS Setup to confirm ports' | |
| presence before diagnosing any parallel/serial ports problems. | |
| Serial or parallel port loop-back | Make sure that the LPT# or COM# you test is the |
| test failed. | same as is set in BIOS Setup. |
| Loop-back. | |
| System board. | |
| Printing failed. | Ensure that the printer driver is properly installed. |
| Refer to the service manual for the printer. | |
| Printer. | |
| Printer cable. | |
| System board. | |
| Printer problems. | Refer to the service manual for the printer. |
| ----- Joystick ----- | |
| NOTE: To diagnose a problem, first find the error symptom in the 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.|
| Game port does not respond or | Connect a joystick to the game port, then execute |
| does not work. | 'Interactive Test/Joystick' test in PC-Doctor diagnostics program. |
| System board. | |
| Diagnostic Program | Reboot the system from the diagnostics diskette. |
| Diagnostics programs cannot | Load default settings. |
| be executed. | Diagnostics diskette. |
| Memory module. | |
| System board. | |
| Missing diagnostics files(s). | Diagnostics diskette. |
| Keyboard | |
| Some or all keys on keyboard | 'Keyboard'. |
| do not work. | |
| ----- Power Supply ----- | |
| Pressing power switch does not | See 'Power Switch< 4 sec.'. |
| turn off system. (Only unplug | Power switch cable assembly |
| power cord from electrical | 'Power Supply' |
| outlet can turn off system.) | |
| Pressing power switch does not | Ensure the power override switch(situated at the |
| turn on system. | back of the machine, just above the connector for |
| the power cable) is not set to off. | |
| Power switch cable assembly. | |
| Executing software shutdown | Load default settings. |
| from Windows98 Start menu | Reload software from Recovery CD. |
| does not turn off system. (Only | |
| pressing power switch can turn | |
| off the system). | |
| No system power, or power | 'Power Supply' |
| supply fan is not running. | System board. |
| ----- Other Problems ----- | |
| Any other problems. | 'Undetermined Problems' |
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.