POST (hex) | Debug Code Action | BIOS Program Definition |
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| Possible Cause |
| Solution |
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79 | Power on | There is no “79” definition on the |
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| 1. | 1. | Clear the CMOS data. |
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| at 79 | Award BIOS code. |
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| 2. | MB is defective. | 2. | RMA action required. |
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| (BIOS program executed the wrong |
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| process therefore showing the wrong |
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| (NB chip may be defective.) |
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| POST code.) |
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88 | Power on | There is no “88” definition on the |
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| 1. | 1. | Clear the CMOS data. |
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| at 88 | Award BIOS code. |
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| 2. | MB is defective. | 2. | RMA action required. |
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| (BIOS program executed the wrong |
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| process therefore showing the wrong |
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| (NB chip may be defective.) |
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| POST code.) |
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FF | Power on | Definition: BIOS process completed. |
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| 1. | 1. | Clear the CMOS data. |
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| at FF | (BIOS program executed the wrong |
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| 2. | MB is defective. | 2. | RMA action required. |
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| process therefore showing the wrong |
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| POST code.) |
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| (NB chip may be defective.) |
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Index
Abnormal Debug LED POST and Troubleshooting
Debug LED
Clearing CMOS Data
1.
2.Move the jumper cap from pins
3.Wait for 5 seconds then move the jumper cap back to pins
Totally Discharging the Motherboard
Unplug the AC power and remove the battery for 5 minutes then reinstall the battery and plug the AC power back on.
1 | 2 | 3 | 1 | 2 | 3 |
(default) | Clear CMOS Data |
POST and Troubleshooting
115
A