Laptop shuts down after 3 seconds

Apr 19, 2018
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My laptop shuts down immediately after like 3 secs, leds work, fan not working even replaced fan but results still the same

Laptops about 5 years
 
Solution
If your new cpu fan is still not working then the problem is within the connection to the mobo. I suspect it forbids powering up as a protective measure due to the problem in your cpu cooling. You should check whether there is voltage coming to the fan connector or not
If your new cpu fan is still not working then the problem is within the connection to the mobo. I suspect it forbids powering up as a protective measure due to the problem in your cpu cooling. You should check whether there is voltage coming to the fan connector or not
 
Solution