Problem lenovo laptop

[graece]

i have installed android studio application on the laptop lenovo B570 and when i restart my laptop he start to the lenovo logo and stop running how fix it? can't open f8 button.. plz any help

 

[hang-the-9]

Try reseating the RAM, unplug the power and remove battery then hold in the power button for 30 seconds, try again. Try running without the battery.

If that does not help, try new RAM, maybe a new hard drive.