Why do I have thin vertical lines come up for a second?

[Windows Central Question]

why thin vertical lines came up for a second.

Hello, I have Nokia lumia 625. I wanted to charge up with "Mr Boost Juice Box Portable Charger" but stopped charging many times. I turned Off after On this portable charger and after thin vertical lines came up for a second. Since then black screen and I cannot turn it on. Thanks for your help.

 

[Harrie-S]

Re: why thin vertical lines came up for a second.

Please use the original charger which came with your phone.
Your battery is probably flat.
It can take a few hours before your phone recovers from the flat battery.
If after a few hours the phone is still not responding connect it to a PC with the original USB cable and leave it connected to your PC (OC must be on.
If above does not work please register on this site and reply on this post/