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HTC ONE wont turn on

1st June 2014, 06:20 PM |#1  
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Hi everybody.
I've bought the phone today.
It's in mint condition, lcd isn't cracked.

It won't turn on. I've tried to reboot it, it didn't help.
Back and home button is blinking when i release power button.
I've entered to fastboot blindfold with keys, flashed RUU 4.4 rom, that didn't help. But it gave something - phone produces the power on sound.
PC detects it as default - MTP device.
Now it's charging - led is lighting.

What should i try?
i don't think that the lcd is the main problem - it looks like new. i've disconnected it from the housing - no any signs of damage.
 
 
1st June 2014, 06:39 PM |#2  
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Quote:
Originally Posted by rickrollboy

Hi everybody.
I've bought the phone today.
It's in mint condition, lcd isn't cracked.

It won't turn on. I've tried to reboot it, it didn't help.
Back and home button is blinking when i release power button.
I've entered to fastboot blindfold with keys, flashed RUU 4.4 rom, that didn't help. But it gave something - phone produces the power on sound.
PC detects it as default - MTP device.
Now it's charging - led is lighting.

What should i try?
i don't think that the lcd is the main problem - it looks like new. i've disconnected it from the housing - no any signs of damage.

Let it charge up fully while it is off. Don't power it up until the LED turns green.
1st June 2014, 07:00 PM |#3  
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Quote:
Originally Posted by majmoz

Let it charge up fully while it is off. Don't power it up until the LED turns green.

No results.
1st June 2014, 07:18 PM |#4  
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Quote:
Originally Posted by rickrollboy

No results.

So.. What makes you think it is NOT a screen issue?
1st June 2014, 07:27 PM |#5  
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Quote:
Originally Posted by SaHiLzZ

So.. What makes you think it is NOT a screen issue?

1. It is cosmetically new, no any signs of damage (i know, this don't give a 100%confidence), but that's strange.
2.I think that back and home buttons are connected with display - that means that electricify is supplied.
1st June 2014, 07:30 PM |#6  
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Quote:
Originally Posted by rickrollboy

1. It is cosmetically new, no any signs of damage (i know, this don't give a 100%confidence), but that's strange.
2.I think that back and home buttons are connected with display - that means that electricify is supplied.

So not sure on both accounts.
1st June 2014, 09:00 PM |#7  
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Quote:
Originally Posted by rickrollboy

Hi everybody.
I've bought the phone today.
It's in mint condition, lcd isn't cracked.

It won't turn on. I've tried to reboot it, it didn't help.
Back and home button is blinking when i release power button.
I've entered to fastboot blindfold with keys, flashed RUU 4.4 rom, that didn't help. But it gave something - phone produces the power on sound.
PC detects it as default - MTP device.
Now it's charging - led is lighting.

What should i try?
i don't think that the lcd is the main problem - it looks like new. i've disconnected it from the housing - no any signs of damage.

erm... it's obviously not in mint condition. Take it back for a refund.
2nd June 2014, 12:05 AM |#8  
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Did you try shining a bright light on the proximity sensor while holding power and down?

Sent from my HTC One using XDA Premium 4 mobile app
2nd June 2014, 04:31 AM |#9  
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So the phone can boot (you can hear the boot sound and its correctly recognized by your computer) but there is nothing displayed on the screen = hardware damage. Either a bad LCD, bad cable or even a bad main board (maybe a badly connected cable)

so as said before, return the phone.

---------- Post added at 11:31 PM ---------- Previous post was at 11:23 PM ----------

Quote:
Originally Posted by rickrollboy

1. It is cosmetically new, no any signs of damage

If you are interested, I have a ''cosmetically new'' Htc One X to sell no offense
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