i once repaired a macbook pro, around 2011, which didnt boot anymore with a towel, blocking the vents and constantly powering it on until, it overheated. it must have been enough to bridge a broken solder point. Took 5 Mintues. Worked for some hours to get the important client data and project files off of it.

the idea came to me after the ibook gpu problems which i repaired with a manipulated tealight (3 flames) placing on the gpu, having the ibook upside down, and also turning it on all the time (it directly went off) until it worked for ever.

i was a broke student at that time and loved McGyver growing up when i was a kid.