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hi i’ve got the 3 beeps on my macbook and im going to bake the logic board in the oven could you give me any advice on what parts to cover up and what to leave and any other tips on how to carry this out as ive not got much to lose.

The three beeps indicate a RAM issue. Try reseating the RAM, then do one stick at a time in each of the slots to test both the RAM and the slots. Use your oven to bake cookies, not logic boards.