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## Initial Problem Description | |||
The device arrived with the numeric keys on the internal keyboard non‐functional, despite a complete keyboard replacement. Visible moisture and sulfation were detected near the keyboard’s SPI controller (U4801). | |||
== Symptoms == | == Symptoms == | ||
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Revision as of 23:42, 2 August 2025
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| Repair Guide/Example | |
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| Device | |
| Affects part(s) | |
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| Difficulty | |
| Type | |
- Initial Problem Description
The device arrived with the numeric keys on the internal keyboard non‐functional, despite a complete keyboard replacement. Visible moisture and sulfation were detected near the keyboard’s SPI controller (U4801).
Symptoms
- Symptom 1 (Figure 1)
- Symptom 2