Real-Time Clock-related Symptoms
| Symptom/Error | Action/FRU | ||
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| • | Ensure the information in the Standard CMOS Feature of | ||
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| BIOS Setup is set correctly. |
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| • | RTC battery |
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| • | Mainboard |
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| Symptom/Error | Action/FRU | ||
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| Audio software program invoked but no | • | Speaker power/connection/cable | |
| sound comes from speakers. |
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| Symptom/Error | Action/FRU | ||
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| Modem ring cannot wake up system from | • | For an external modem, make sure Power on By Ring in | |
| suspend mode. |
| BIOS Setup or Power Management is set to Enabled. For the | |
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| PCI modem, make sure Wake up by PCI card is set to |
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| Enabled. |
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| • If a PCI modem card is used, reinsert the modem card to the | |
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| PCI slot firmly or replace the modem card. |
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| • In Win 98, ensure the telephone application is configured | |
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| correctly for your modem and set to receive messages and/or |
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| fax. |
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| Data/fax modem software program invoked | • | Ensure the modem card is installed properly. | |
| but cannot receive/send data/fax |
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| Fax/voice modem software program | • | Ensure the modem | |
| invoked but has no sound output. (Data |
| is connected to the mainboard | |
| files are received normally; voice from |
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| modem cannot be produced, but system |
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| sound feature works normally.) |
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| Video and |
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| Symptom/Error | Action/FRU | ||
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| Video memory test failed.Video adapter | • | Remove all | |
| failed. | • Load default settings (if screen is readable). | ||
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| • | Mainboard |
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| Display problem | • | Monitor signal connection/cable | |
| • | Incorrect colors | • | Monitor |
| • | No high intensity | • | Video adapter card |
| • Missing, broken, or incorrect characters | • | Mainboard | |
| • | Blank monitor (dark) |
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| • | Blank monitor (bright) |
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| • | Distorted image |
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| • | Unreadable monitor |
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| Display changing colors. | • | Monitor signal connection/cable | |
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| • | Video adapter card |
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| • | Mainboard |
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80 | Aspire Z3750 / Z3751 / Z5750 / Z5751 AIO Computer Service Guide |
