I had my computer for 4 years and replaced the mother board 6 months ago (because I accidentally spilt water on it). Everything was working fine. I don't usually turn off my computer but just let it sleep at night.
One day I was working with Solidworks and I figured it seems to be running slow, so I tried to restart it, but after restarting, it seems to be working even slower, and it just suddenly turned off. I turned it back on, worked for a while more and it shuts down again. I immediately ran a virus check on it and found out my computer was infected with several trojan viruses. (and it did turned off one more time during scanning)
I removed the viruses, and everything seems to turn back to normal for 2 days, then on today, it just suddenly shuts down again. Was able to turn it back on but shuts down in a minute again. Then it just completely stopped responding (no lights/sound/fan). I unplugged and plugged the power cable back, and waited for a while, then I tried again, the fans and lights were up for a split second, and almost immediately shuts down. Up untill now I was still not able to turn it back on.
One day I was working with Solidworks and I figured it seems to be running slow, so I tried to restart it, but after restarting, it seems to be working even slower, and it just suddenly turned off. I turned it back on, worked for a while more and it shuts down again. I immediately ran a virus check on it and found out my computer was infected with several trojan viruses. (and it did turned off one more time during scanning)
I removed the viruses, and everything seems to turn back to normal for 2 days, then on today, it just suddenly shuts down again. Was able to turn it back on but shuts down in a minute again. Then it just completely stopped responding (no lights/sound/fan). I unplugged and plugged the power cable back, and waited for a while, then I tried again, the fans and lights were up for a split second, and almost immediately shuts down. Up untill now I was still not able to turn it back on.
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