Power button is not working

[cornealuciandan]

Helo, have smartfone xperia z.

i have a big problem, no work button on/of 

Power button is not working

why???? help please

[Henke]

Nothing happens when you press the power button?

If it's not working at all I recommend you to contact your local support for further information

on how to send it in to a repair center for investigation:

http://www.sonymobile.com/global-en/support/contact-us/contact-info/

[maisha29]

I have same problem.I press on and it flashes a red light thrice and nothing happens.My phone is brand new.Haven´t used it at all.

[GeoffH]

look here

http://talk.sonymobile.com/message/495429#495429