TroubleshootingSymptom Charts/Miscellaneous (Continued) - 17
| Miscellaneous | (Continued) | |
Screen shows “Sad | 1 | Replace RAM SIMMs on logic board. | |
Macintosh” icon and | 2 | Replace logic board. Retain customer’s SIMMs. | |
black vertical lines; |
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screeching sound |
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Headphone jack does | 1 | Verify that headphone jack is seated properly. | |
not operate correctly | 2 | Replace chassis harness assembly. | |
Speaker jacks do not | 1 | Verify that speaker jacks are seated properly. | |
operate | 2 | Replace chassis harness assembly. | |
