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[Q] Nexus 5 won't power on

Hi,
I'm running the latest stock android kitkat on my nexus 5. I recently powered off the device and it won't power back on.
When I powered off the battery was at about 90%.
I have tried:
- Holding down the power button for 3 seconds
- Holding down the power button for 30 seconds
- Holding down the power button for 90 seconds
- Holding down the power and both volume buttons
- Powering up the device while it's plugged in to USB
None of these seem to result in my Nexus 5 powering up.
I had this previously happen new years day. I decided to go home to try to fix the problem when my phone magically started working when I hit the power button for the regular amount of time.
The power button has no problem turning on and off the screen when the phone is powered up.
Anyone have any tips on how I can get this thing powered up?
I have a feeling I'm going to have to RMA this phone.

SAN66 said:
Hi,
I'm running the latest stock android kitkat on my nexus 5. I recently powered off the device and it won't power back on.
When I powered off the battery was at about 90%.
I have tried:
- Holding down the power button for 3 seconds
- Holding down the power button for 30 seconds
- Holding down the power button for 90 seconds
- Holding down the power and both volume buttons
- Powering up the device while it's plugged in to USB
None of these seem to result in my Nexus 5 powering up.
I had this previously happen new years day. I decided to go home to try to fix the problem when my phone magically started working when I hit the power button for the regular amount of time.
The power button has no problem turning on and off the screen when the phone is powered up.
Anyone have any tips on how I can get this thing powered up?
I have a feeling I'm going to have to RMA this phone.
Click to expand...
Click to collapse
Yeah most likely you are going to have to RMA, but before that just try this. Try connecting your phone to a wall outlet and don't press anything and wait for 10 seconds. Do you see a battery icon on the screen? If not, then unplug it, hold both volume buttons, then plug it back in. If your phone actually does work, you should get to the boot loader screen.

Xperia z3 Died

Hello, i have a trouble with my phone, is a z3 d6643.
The phone down in the floor and shutdown alone, now not power on.
In ac charger the red LED stays on, but phone not charging, and pc not recognize.
Some things not work for me :
Phone charging on ac charger, left a few hours .
Plugged on pc, with vol + and vol -.
Pressing power button and vol + for 30 seconds.
Pressing button reset located on the side of SIM.
I not find a answer about this, only help is welcome.
Some suggestion?

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Hello,
as stated, i got my power button broken probably due to water (not that waterproof huh?). The power button has worked for a few weeks, sometimes it was really sloppy and unresponsive, and stopped completely, and when my battery completely depleted i am now unable to power it on. I am able to get into download mode from where there is an option to restart the phone but of course it requires to press vol down + power button.
Have you got any magic tricks to turn on a turned off s10e with the power button broken ?

Hello! The solution: press volume down + bixby button and now plug usb c data cable (computer->phone), wait 3-5 seconds and phone starting in download mode. From download mode you can restart the phone with volume down button.

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I got this problem with an A51: The phone does not turn on. No fall from hands, no previous problems. I talked 2 times this morning at the phone, put it in my pocket. After a few minutes when i checked my phone, it was closed. It had 72% battery.
What i've tried:
- power button press and hold, does nothing.
- when i press vol down + power, the phone turn on, appears Samsung logo, a51, powered by android. It stays like that approx 20 seconds and it turns off by itself.
- when i press vol up + power, does nothing.
- when i put at charge, only a small vibrate and does nothing but when it is plugged in and i press vol down and power, the charge circle appears and it shows on screen that the phone is charging. in this phase with the phone charged in, i press vol down + power, or vol up + power, and does nothing.
Any solutions?
Thank you in advanced.

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I was charging my OP7Pro (Android 10 with TWRP) when the screen went white. I tried to reboot it (volume down + power) but it did not and eventually it turned into this (pls see image).
Whether I press power + volume up or power+ volume up + volume down, the screen becomes blank for a second then goes back to this. Power button and power+volume down does nothing.
Most instructions I see here ask for the phone to be turned off but I can’t turn it off. It went off when the battery was empty but I can't charge it anymore and connecting to a PC does not do anything.
Any help regarding this?
Thanks in advance!