laptop wont turn on

So i recently tryed to upgrade my ram on my vostro 3360 laptop. Silly me! İt was a 4 GB laptop which works without any problem. Then i found the same exact ram to upgrade it to 8 GB. Put the ram and hit the button. Voila it works no problem. Shut it down and hit the power button again, nope no...

Hello Everyone, My HP laptop wont turn on. It has been more than 2 months since I used this laptop. I have connected the laptop to the power source using the adapter and charged it for about 30 mins and then tried turning it on the LED in the caps lock and F12 key goes on and off but the laptop...