My phone won't turn on or connect to pc and it's stuck on this screen, what to do? [xperia tx]

[Luln]

https://imgur.com/o6IGiyT pics in question. 

*(the photos are taken from other threads)* 

If the photos didn't show up this what I meant 

Screen 1 :white triangle with spanner & screwdriver and a blue prograss bar under it. 

Screen 2 : yellow triangle with exclamation mark  and a phone behind it. 

I read somewhere that this sgin mean that the system is trying to fix itself and I should leave it connected to a wall charger for 24h than it will work... Well I tried for a whole day and it didn't work.

I tried all the "press and hold buttons" tricks and they did it work. 

I also tried to connect the phone to my pc to repair it using Sony Xperia™ Companion but the computer couldn't delect the device I guess it's because it has a password on and I need to unlock it first but I can't.... is there any chance to fix it? Or can I force a factory reset on it so the password go away and I can get it to connect to pc? (I remember all my Gmail account information)