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Trouble Shooting
| Step | Cause | Solution | Parts |
| 1 | USB cable defective. | Replace the USB cable. | USB cable (104-6126-9-SP) |
| 2 | Main broad defective. | Replace the Main board MBA1004. <Video Link> | Main board AD380 (004-3770-9-SP) AD380N (004-3770A-9-SP) AD380WN (004-3770B-9-SP) |
