my laptop won't turn on !

Aug 2, 2018
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hey everyone i have a lenovo G500 laptop this morning i was cleaning it up and i found out that 2screws were missing so i got some old ones from my old laptop and placed them there i also forced a bit on all the screws just to make sure they dont fall out but when i tried to turn on the computer the screen stays black the battery and power on lights + the camera light turn on the fan also turns on but shuts down shortly after that, pls help me thank you in advance.
 
Solution
Have you gone back and checked to make sure all connections are good; RAM is seated properly, fan cable is secure, etc.? That behavior is indicative of something not passing POST.