iMac / MacBook Power On
iMac / MacBook :
- No video
- No sound
- No anything
- No response after press the power button
There are numerous causes of not powering on machines, First we need to determine which parts is failed, it can be caused by bad keyboard (power button), battery, logic board, etc.
Most of the case are caused by bad logic board, but Apple and their authorised service provider only provide the service to replace the entire logic board which may be refurbished for around $4000-8000, but we can diagnose the exact problem of your logic board and repair that specific part for around half of their price.
Major problems of a bad logic board :
- Damaged / Shorted components including capacitors, resistors, inductors, MOSFETs, fuses, ICs, connectors, etc.
- Broken trace
Here is the partial price list of no power on repair for your reference :
| Model No. | Input devices | Battery | Logic Board |
| A1278 / A1286 / A1297 | $580-680 | $580 | $1500 |
| A1369 / A1370 / A1465 / A1466 | $580-680 | $580 | $1500 |
| A1398 / A1425 / A1502 | $880 | $880 | $1800 |
| A1534 | $1280 | $980 | $2000 |
| A1706 / A1707 | $1280 | $1180 | $3000 |
| A1708 | $1280 | $1180 | $2500 |