Phone run out during updating

[Joshua Nyefene]

What do I do to turn my HTC8xwindows phone on again.
It run out while gears were running for the update to Windows 8.1.
Help me turn it on

 

[Chintan Gohel]

What do I do to turn my HTC8xwindows phone on again.
It run out while gears were running for the update to Windows 8.1.
Help me turn it on

while charging, the phone doesn't come on?

You could try factory resetting using windows device recovery tool