Phone won't turn on - Xperia Z

My phone won't turn on whatsoever. It is not unresponsive, the LEDs work, they go red when it is charging. I have looked for a solution but I can find absolutely none. I've charged it for 24 hours so it is not a matter of battery drain. When I connect it to the computer it says that "SEMC Flash Drive connected" and it plays the sound, not sure why it doesn't say Xperia Z connected. Sony PC Companion won't recognise the phone so it won't let me restore it. I've tried to put it in recovery but whenever I try to do it, the phone just vibrates and does nothing, same with turning it on, it just vibrates, does nothing and then vibrates again. Is there a way to wipe the data in it's state currently or is there a fix because right now my phone is as useful as a brick. The phone isn't stuck on the boot logo, it just won't turn on

Try running a repair, but ensure you start the process with the phone not connected to the PC and do not connect till it prompts you to do so after the repair option is selected. What are your thoughts about this forum? Let us know by doing this short survey.

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