Chosen Solution
Hello, I replaced keyboard on my Macbook A1342. I replaced thermal paste as well and when I tried to turn computer on, started to boot and I saw apple sign but after 20-30 sec shuts down. Maybe I did not properly replace thermal paste I dont know. Any help or tip what should I do ,what should I check ? I think that I’ve done evrything properly but I’m not 100% sure. Any help.? Thank you in advance.
I wouldn’t worry about the thermal paste, even if you didn’t put any at all Mac wouldn’t shut down so soon. Did you replace only the keyboard or the topcase ? I’d recommend trying to remove one by one all the connectors on the logic board to find out if it’s some part gone bad during disassembly or reassembly. If that procedure doesn’t give you any indication, it might have gone something bad on the board itself.