iMac No Power On:
- 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
- Capacitors, Resistors, Inductors, MOSFETs
- Fuses, ICs, Connectors
- etc
- Broken trace
We provide 180-day warranty for parts replaced.
Here is the partial price list of iMac no power on repair for your reference:
Last updated: October 18, 2025
| iMac Model No. | Screen size | Model year | Logic board | Power Supply |
|---|---|---|---|---|
| A3137 / A3247 M4 | iMac 24″ | 2024 | $3500 | / |
| A2873 / A2874 M3 | iMac 24″ | 2023 | $3500 | / |
| A2438 / A2439 M1 | iMac 24″ | 2021 | $3500 | / |
| A2116 | iMac 21.5″ | 2019 | $3500 | $1200 |
| A2115 | iMac 27″ | 2019, 2020 | $3500 | $1200 |
| A1418 | iMac 21.5″ | 2017 | $3000 | $1200 |
| A1419 | iMac 27″ | 2017 | $3500 | $1200 |
| A1418 | iMac 21.5″ | 2014, 2015 | $2000 | $1200 |
| A1419 | iMac 27″ | 2014, 2015 | $2500 | $1200 |
| A1418 | iMac 21.5″ | 2012, 2013 | $1500 | $1200 |
| A1419 | iMac 27″ | 2012, 2013 | $2000 | $1200 |
| iMac Model No. | Screen size | Model year | Logic board | Power Supply |
