Macbook Pro A1286 2010-2012: Solution for AMD GPU Issues
Is your AMD GPU experiencing issues?
Symptoms of possible damage:
- It doesn't power on.
- Restart loop.
- Boots without video.
- Only starts in recovery mode.
- Frequent restarts.
- Blue screen at startup.
- Gradually worsening distorted video.
It's important to note that some symptoms can overlap, and the order may vary depending on the specific hardware or software issue. If you experience any of these symptoms, it's crucial to seek professional assessment and repair to prevent further damage to your device.
Notes for repair and troubleshooting:
Many technicians might consider this device irrecoverable, but there's actually a solution to get it back to 100% functionality. It involves performing hardware work on the logic board, completely disabling the AMD GPU and enabling the device to operate with the secondary Intel card. This opens up the opportunity to upgrade the processor and convert it into a 2012 4K model.
Aspects to consider:
- Los botones F1 y F2, que controlan la iluminación del teclado, se deshabilitarán, pero se pueden reemplazar con la aplicación “QuickShade”, configurada para iniciar automáticamente con el sistema y controlar el brillo mediante los atajos “Ctrl+1” para bajarlo y “Ctrl+2” para subirlo.
- The Thunderbolt port will be disabled due to its control being affected by the damaged GPU, but you will be able to project the screen onto other visual devices using Bluetooth, such as the Apple TV.
- El sensor que pone en reposo el equipo al cerrar la tapa también se deshabilitará. Para solucionarlo, puedes utilizar una programación a nivel terminal. Abre la Terminal APP y escribe “sudo pmset -a disablesleep 1”, ingresa la contraseña de administrador y listo. Si deseas reactivar esta función, utiliza “0” en lugar de “1”. También puedes usar la aplicación “NoSleep” que realiza la misma función de manera visual y se inicia con el sistema.
In any case, it's important to avoid forcibly shutting down the device using the power button and never resetting the SMC (Shift+Ctrl+Alt+Power) or NVRAM (Alt+Cmd+P+R) during startup, as this can affect crucial system settings.
Highlighted specifications:
- Macbook Pro A1286 2012 4K
- Procesador i7
- 16 GB de RAM
- SSD 256GB-1TB (Conexión SATA lll)
- HDD 1-4TB (SATA II connection, replaces the optical drive using a caddy adapter)
- macOS High Sierra (with updates)
- Essential full applications
Other aspects to consider:
- Instala la aplicación “SMC Fan Control” para ajustar manualmente las RPM de los ventiladores y controlar mejor la temperatura generada.
- Debido a que tu equipo no es reciente, es importante evitar el sobrecalentamiento. Te recomendamos utilizar RAM de alta calidad y tecnología de bajo voltaje como “DDR3L”, lo cual ayudará a mantener baja la temperatura.
- Replace the HDD with an SSD to improve speed and reduce the temperature of the equipment.
- Use the Software Speed Patch to significantly improve performance.
- El sistema operativo compatible con tu equipo es “High Sierra”. No intentes actualizar a una versión más reciente, pero sí puedes instalar las actualizaciones del mismo sistema.
- This device can run most, if not all, the necessary applications for design, editing, office tasks, and video conferencing.
Final note:
Final note:
Repairing and improving this device will allow you to use it for an additional 5-10 years, making it worth considering.
If you're interested in acquiring this device at a special price.
Final gift:
If you want to try troubleshooting your Mac on your own before sending it for repair, follow these instructions:
- Asegúrate de que tu máquina esté completamente apagada. Para restablecer el SMC, presiona las teclas “Shift+Ctrl+Alt+Power”.
- Enciende tu equipo mientras mantienes presionadas las teclas “Comando+S”. El sistema mostrará texto blanco en una pantalla negra y se detendrá cuando se le solicite.
- En el mensaje, ingresa el siguiente comando sin las comillas: “nvram fa4ce28d-b62f-4c99-9cc3-6815686e30f9:gpu-power-prefs=%01%00%00%00” y presiona Enter.
- Luego, ingresa “reboot” y presiona Enter.
- Immediately after rebooting, hold down the Command + R keys (if you're running OS X 10.11 or later) to start in Recovery Mode. If you don't have a recovery partition, you can boot from a Mac OS installation USB drive.
- Una vez en el modo de recuperación, abre Terminal y ejecuta el siguiente comando: “csrutil disable”.
- Restart the system.
After restarting, your system should operate without the dedicated GPU and function normally. Remember that it's always recommended to seek professional assistance if you're not comfortable performing these steps.
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