Computer Doesn't work

Hi. I found old laptop Asus F5RL. I tried to turn it on and it starts but after few seconds (after displaying Asus logo on the screen) the laptop turns off. Any ideas why it doesn't work? I will appreciate every help.

I were playing WW2 for like 2 weeks ago and everything runned as normal. Next day when came home from work i was gonna start my computer and when i pressed the power button nothing happend atall. first i thought it was probably my power supply, but then i saw my motherboard led lights were on...

Hey, I see a lot of the same question. Bought my laptop in oct 18 and am finding it doesn't charge while I'm using it but it does when i shut it down and leave it. It was a display model on clearance. So I went to the place of purchase and they want to send it away for two -three weeks to get...