A1286 820-2850 disk not booting

[hgoncalves]

Hi

I have an A1286 820-2850 that is not booting. It gets stucked, even in safe mode.

I've already replaced the HDD flex, and tried other disks but without sucess.

Can you help?

 

[2informaticos]

Test if you can boot USB macOS, w/ and w/o internal SSD connected.