Symptom/Error | FRU/Action |
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0 137XX | XX | 1.Serial Adapter |
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| 2. | System Board |
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| 3. | Video Card |
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| 4. | Any | Serial | Device |
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| 5. | Communication Cable |
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0 194XXXX | 1. Do not |
| replace | any |
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| FRUs. |
| The installed |
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| Memory | Expansion |
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| Adapter | is not |
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I99903XX | , I99900XX | 1. Reseat | the | hard | disk |
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I99800XX |
| drive to | ensure | good |
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| connection. |
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| 2. | See | “Set | Startup |
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| Sequence” | on |
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| page |
| 98. |
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| 3. | Hard | Disk | Drive |
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| 4. | System Board |
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I999XXXX |
| Restore | the | system | partition | |||
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| from | the |
| Reference |
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| Diskette. |
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Beep Symptoms
Symptom/Error |
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| FRU/Action |
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Continuous | beep. |
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| System | Board |
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Repeating | short | beeps. | 1.See “1080 | Keyboard |
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| Unit” | on | page | 54 |
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| before | replacing | any |
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| FRUs. |
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| 2. | Keyboard |
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| 3. | Keyboard | Control | Card | |||
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One long and one short | 1.System Board |
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beep. |
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One long and two short | 1.Video | Card |
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beeps. |
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One short beep and a | 1.LCD |
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blank, | unreadable, | illegible,2. | Video Card |
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or flashing | display | with | no3. | System Board |
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external | display | attached.4. Voltage Converter | |||||||||||
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One short beep and a | 1.Diskette Drive |
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diskette | prompt | or | a | 2. | System Board |
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program | load | from | the hard3. | Diskette | Drive | Cable | |||||||
disk or unable to read the |
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diskette. (Be | sure | an |
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external display is not too |
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close | to | the | diskette | drive.) |
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Two short beeps and a | 1.System Board |
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blank display. |
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88 IBM Mobile Systems HMM