可以試試看Mac 萬用自救兩招:清 NVRAM(PRAM)與重置 SMC我曾遇過打開螢幕會當機的狀況,重置之後是有效的:https://medium.com/letsoffice-archive/送修前請試試-mac-萬用自救兩招-清-nvram-pram-與重置-smc-2bedb3f38675