My acer aspire AS5742 guard sudenly turned off loptop

I apologize because im new here, I could be on the wrong thread or whatever it is.

So my acer loptop AS5742 I used it for 5 years now and I don't think that his old man he needs of recycled. The problem, it happened a few days that I have installed an adobe application, then I restarted the computer after that then the loptop guard turn off without any warning, but he ends up by lights after 3 or 4 seconds. But I was able to restore to a previous point where he worked. The problem occurs whenever I'm working (browsing, games, videos etc. on Plug and battery.) My battery is also broken, it drains really quick. And I have overheating issues too, but I think this isn't the problem because ive check the nucleus of just temperature uaing before it exploded and is no longer heating.
Windows 8
Intel core i3
4 GB of ram
hard drive 500
Intel graphics card

And sometimes a few restarts because it automatically turns its self on after the abrupt shut down ot watch lines like static on the logo of windows 8 and through the screen. I hope theres a few solutions thx ^^

Do you want to say she suffers 'spontaneous restart', as we say in the Guild? You say that you restore to an earlier point and the problem disappeared? Then came back? I understand well didn'tI. In the case of the probem on battery only, of course exclude the AC charger. In such circumstances where heat is not known to be the issue, I would find programs to test the RAM and hard drive sectors. This as a starting point. You want to be able to exclude... then you rule finally in.

Tags: Acer Laptops

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