Acer Aspire E1-521 Acer Aspire E1-521 Notebook Service Guide - Page 94
Wireless Function Failure, Start, Swap M/B, Check W/L, antenna to W/L, Check antenna, Re-assemble
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Wireless Function Failure If the wireless function fails, perform the following: Start OK Check W/L antenna to W/L NG card OK Re-assemble the antenna to W/L card Check antenna NG OK Swap the antenna Check W/L card OK Swap M/B NG Swap the W/L card Figure 4:9. Wireless Function Failure 4-13 Troubleshooting