I really appreciate your time, unfortunately it's still the same, I tried to write it with two programmers and the macbook still doesn't turn on, the fan only works for 10 seconds and doesn't give an image,...

Hello good day, please could you help me with my old macbook, I tried to clean it myself but the macbook stopped turning on, the fan works for 10 seconds and turns off, there is no image on the screen, and I tried to write many fw that have been uploaded here but none have worked for me, I even created a few new fw editing the serial and the Fsys but it remains the same, there is no image and the fan turns on and off, I have already reset pram many times and nothing, my serial number is C02NQNWRG085, model 1466, emc 2632, my ic is detected as micron N25Q64A, please can you help me? Thank you very...