Hi Rizqi Rabbani  , Here i can suggest you with some steps to fix this problem as the problem is big because a “black screen” and “Wont Turn On” can lost a huge amount of unsaved data. Know '''How To Fix Dell Laptop Wont Turn On''' and try to do on your own!! Follow the below mentioned steps for it Adopting forced ePSA Step 1 – Force turn off the laptop from the power button Step 2 – After that option of disconnecting AC Adapter and chord. Step 3 – Take off the battery and rest battery power should be drained off Step 4 – Turn on the laptop and go for Dell diagnostic screen Step 5 – A pop up will show the color press "Yes" to confirm Step 6 – Following these steps please go for the boot option Hope this is the solution for your laptop turn on issue. For more accurate solution you can refer to the site i have been through!!! Thanks