My laptop auto shutdown and won't turn on, i need to wait 1 hour to make it turn on again

my laptop is Acer E5-473G-79FC. My laptop have some issue, it's auto shutdown when am using it around few hours, and when it shutdown, it can't power on again. I've change the thermal paste, and it's still do the same thing, it can turn on, buy a few hours later it shutdown and won't turn on again. I've change the fan, it's still do the same, and the annoying thing is, when i connect my external hard drive, the drive is unreadable, it detected but invalid. When i connect the external drive to another laptop, its detected and it's just work fine. My laptop cannot detect the ext-harddrive, but i

Question by hendri ayama on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.