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| 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 | 1. Ensure that the system is not in power saving mode and the |
| power supply fan runs. | 'Stop CPU clock in sleep state' is not set to Yes. |
| See 'Power Management' in Introduction. | |
| 2. With the system power on, measure the voltage of processor fan connector | |
| FN2 for 2170/2171/2172. | |
| Its reading should be +12Vdc. | |
| See 'Machine Type 2170 System Board Jumpers and Connectors' and | |
| See 'Machine Type 2171 and 2172 System Board Jumpers and Connectors'. | |
| 3. Processor fan. | |
| 4. System board. | |
| Processor test failed. | 1. Processor. |
| 2. 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. | 1. See 'Memory'. |
| 2. System board | |
| Incorrect memory size shown | 1. Insert the memory modules in the DIMM sockets properly, then reboot the system. |
| or repeated during POST. | 2. Memory module. See the 'Step 005' of 'Memory' to replace memory module. |
| 3. System board. | |
| System works but fails to enter | 1. Enter BIOS Setup and load default settings. |
| power saving mode when the | 2. In Windows 98, check settings in Power Mgmt. Property of Control Panel. |
| Power Management Mode is | 3. Reload software from Recovery CD. |
| set to [Enabled], and power | |
| saving 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. | |
| 'Undetermined Problems'. | |
| Blinking cursor only, system | 1. See 'Start'. |
| does not work. | 2. Diskette/IDE drive connection/cables |
| 3. Diskette/IDE disk drives | |
| See 'Undetermined Problems' | |
| 4. System board | |
| Diskette Drive | |
| 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 | |
| mismatched. | 1. Ensure that the diskette drive is configured correctly |
| in the Disk Drives of BIOS Setup. See 'Hard Disk Drive'. | |
| 2. Ensure that the diskette drive is correctly formatted. | |
| 3. Diskette drive connection/cable | |
| 4. Diskette drive | |
| 5. System board | |
| Diskette drive does not work. | 1. Ensure that the diskette drive is not set to [None] in the Disk Drives |
| of BIOS Setup. See 'Hard Disk Drive'. | |
| 2. Diskette drive power | |
| 3. Diskette drive connection/cable | |
| 4. Diskette drive | |
| 5. System board | |
| Diskette drive read/write error. | 1. Diskette. |
| 2. Ensure that the diskette drive is not set to [Write protect] in the | |
| Security Options of BIOS Setup. See 'Security Options'. | |
| 3. Diskette drive cable. | |
| 4. Diskette drive. | |
| 5. System board. | |
| Diskette drive LED comes on | 1. Diskette |
| for more than 2 minutes when | 2. Diskette drive connection/cable |
| reading data. | 3. Diskette drive |
| 4. System board | |
| Diskette drive LED fails to light, | 1. Diskette |
| and the drive is unable to | 2. Diskette drive power |
| access for more than 2 minutes. | 3. Diskette drive connection/cable |
| 4. Diskette drive | |
| 5. System board | |
| Diskette drive test failed. | 1. Diskette |
| 2. Diskette drive | |
| 3. Diskette drive cable | |
| 4. 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. | 1. Enter BIOS Setup and Load default settings. |
| 2. Hard disk drive cable. | |
| 3. Hard disk drive. | |
| 4. System board. | |
| Hard disk drive format error. | 1. Enter BIOS Setup and Load default settings. |
| 2. Hard disk drive cable. | |
| 3. Hard disk drive. | |
| 4. System board. | |
| Hard disk drive write error. | 1. Enter BIOS Setup and Load default settings. |
| 2. Hard disk drive. | |
| Hard disk drive LED fails to | With the system power on, measure the voltage of hard disk LED connector |
| light, but system operates | CN6 for 2170 or CN14 for 2171/2172. The reading should be: |
| normally. | :font facename='Courier' size=10x8.2170(CN6) 2171/2172(CN14) HDD Idle/Active |
| pin-1 pin-1 +5 Vdc / -- | |
| pin-2 pin-2 +5 Vdc / 0 Vdc | |
| pin-3 pin-3 +5 Vdc / 0 Vdc | |
| pin-4 pin-4 +5 Vdc / -- | |
| :font facename='Helv' size=14x8. | See 'Machine Type 2170 System Board Jumpers and Connectors' |
| See 'Machine Type 2171 and 2172 System Board Jumpers and Connectors'. | |
| 1. 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 | 1. CD/DVD may have dirt or foreign material on it. |
| flashes for more than 30 sec. | 2. Check with a known good disc. |
| before LED shutting off. | 3. CD/DVD is not inserted properly. |
| Software asks to reinstall disc. | 4. CD/DVD is damaged. |
| Software displays a reading | |
| CD/DVD error. | |
| CD/DVD-ROM drive LED | 1. CD/DVD-ROM drive |
| doesn't come on but works | |
| normally. | |
| CD/DVD-ROM drive cannot | 1. See 'CD-ROM Emergency-exit <option 1>' and |
| load or eject when the system | 'CD-ROM Emergency-exit <option 2>'. |
| is turned on and its eject button | 2. Disconnect all cables from CD/DVD-ROM drive except power cable, then |
| is pressed and held. | press eject button to try to unload the disk. |
| 3. CD/DVD-ROM drive power. | |
| 4. CD/DVD-ROM drive | |
| CD/DVD-ROM drive does not | 1. CD may have dirt or foreign material on it. Check with a known good disc. |
| read and there are no error | 2. Ensure that the CD/DVD-ROM driver is installed properly. |
| codes or messages are | See 'CD/DVD-ROM Drive'. |
| displayed. | 3. CD/DVD-ROM drive. |
| CD/DVD-ROM drive can play | Ensure that the headphone jack of the CD/DVD-ROM has an output, then check |
| audio CD but no sound output. | if the audio cable from CD/DVD-ROM drive to system board CN20 (for 2170) or |
| CN8 (for 2171/2172) is connected properly. | |
| See 'Machine Type 2170 System Board Jumpers and Connectors' and | |
| See 'Machine Type 2171 and 2172 System Board Jumpers and Connectors'. | |
| 1. Turn up the sound volume. | |
| 2. Speaker power/connection/cable. | |
| 3. CD/DVD-ROM drive. | |
| Real-Time Clock | |
| Real-time clock is inaccurate. | 1. Ensure that the information in the Date and Time of BIOS Setup is set correctly. |
| 2. See 'Date and Time'. | |
| 3. Load default settings. | |
| 4. CMOS battery. | |
| 5. 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 adapter card to system |
| program invokes but has no | board CN21 (for 2170) or CN12 (for 2171/2172) is connected properly. |
| sound output. (Data files are | See 'Machine Type 2170 System Board Jumpers and Connectors' and |
| received normally, voice from | 'Machine Type 2171 and 2172 System Board Jumpers and Connectors'. |
| modem cannot be produced, | 'Factory-Installed Modem Card'. |
| but system sound feature | |
| works normally.) | |
| Modem ring cannot wake up | Ensure the 'Modem Wake-Up on Ring' in BIOS Setup is set to [Enabled]. |
| system from suspend mode. | 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 CN19 (for 2170) or CN13 (for 2171/2172) is connected properly. | |
| See 'Machine Type 2170 System Board Jumpers and Connectors' and | |
| 'Machine Type 2171 and 2172 System Board Jumpers and Connectors'. | |
| In Win 98 ensure that telephone application is configured correctly for | |
| your modem and set to receive messages and/or fax. | |
| Video and Monitor | |
| Video memory test failed. | 1. Remove all non factory-installed cards. |
| Video adapter failed. | 2. Load default settings (if screen is readable). |
| 3. System board | |
| Display problem: | 1. Monitor signal connection/cable. |
| - Incorrect colors | 2. Monitor |
| - No high intensity | 3. Video adapter card (for 2171/2172). |
| - Missing, broken, or incorrect | 4. System board |
| characters | |
| - Blank monitor(dark) | |
| - Blank monitor(bright) | |
| - Distorted image | |
| - Unreadable monitor | |
| - Other monitor problems | |
| Display changing colors. | 1. Monitor signal connection/cable |
| 2. Monitor | |
| 3. System board | |
| Display problem not listed | 1. See 'Monitor'. |
| above (including blank or | 2. Load default settings (if screen is readable). |
| illegible monitor). | 3. System board |
| Parallel/Serial Ports | |
| NOTE: Execute 'Load BIOS Default Settings' in BIOS Setup to confirm port's | |
| presence before diagnosing any parallel/serial ports problems. | |
| Serial or parallel port loop-back | 1. Make sure that the LPT# or COM# you test is the same as is set in BIOS Setup. |
| test failed. | 2. Run Loop-back test. |
| 3. System board. | |
| Printing failed. | 1. Ensure that the printer driver is properly installed. |
| 2. Refer to the service manual for the printer. | |
| 3. Printer. | |
| 4. Printer cable. | |
| 5. System board. | |
| Printer problems. | Refer to the service manual for the printer. |
| Joystick | |
| Game port does not respond or | 1. Connect a joystick to the game port, then execute 'Interactive Test/Joystick' test |
| does not work. | in PC-Doctor diagnostics program. |
| 2. System board. | |
| Diagnostic Program | |
| Diagnostics programs cannot | 1. Reboot the system from the diagnostics diskette. |
| be executed. | 2. Load default settings. |
| 3. Diagnostics diskette. | |
| 4. Memory module. | |
| 5. System board. | |
| Missing diagnostics file(s). | Diagnostics diskette. |
| Keyboard | |
| Some or all keys on keyboard | |
| do not work. | See 'Keyboard'. |
| Power Supply | |
| Pressing power switch does not | 'Power Switch 4< sec. When set to Suspend, this parameter adds the suspend |
| turn off system. (Only unplug | function to the system power button on the front panel. |
| power cord from electrical | The suspend function allows you to put the system into suspend mode by pressing |
| outlet can turn off system.) | the power button for less than four seconds while the system is on. |
| When this parameter is set to Power off, the power button simply turns the | |
| system power on or off. This parameter is set to 'Power off by default'. | |
| 1. Power switch cable assembly | |
| 2. See 'Power Supply'. | |
| Pressing power switch does not | Ensure the power override switch (situated at the back of the machine, just above |
| turn on system. | the connector for the power cable) is not set to off. |
| 1. Power switch cable assembly. | |
| Executing software shutdown | 1. Load default settings. |
| from Windows98 Start menu | 2. Reload software from Recovery CD. |
| does not turn off system. | |
| (Only pressing power switch | |
| can turn off the system). | |
| No system power, or power | 1. See 'Power Supply'. |
| supply fan is not running. | 2. System board. |
| Other Problems | |
| Any other problems. | See 'Undetermined Problems'. |
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