phone won't power on (MOTO g4+) - Moto G Q&A, Help & Troubleshooting

just rooted my phone recently, updated my phone and now im stuck at a black screen and i tried the volume down and power button and everything, nothing works...

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Moto G wont charge in Rom - Fastboot works

I've got a XT1032 with CM11. I already tried other Roms. I cant charge the Phone inAndroid or TWRP. Only in bootloader. Fastboot works, too.
I tried different charger. ADB or phone connection doesnt work.
Anyone an idea.?
EDIT: Also charges, when off
Nearly same situation was on my Moto G yesterday.
But with one difference, mine is stock.
It was charging but when i tried to power up, moto boot logo was appearing, globe was spinning but at the 3rd image (something like train or farm plant) it was giving up and screen turning black, and this loop kept on until battery completely discharged.
I hold the vol down then pressed power button and kept holding them about 10 seconds and released both of them.
Fastboot menu showed up, i scrolled down to recovery with vol down button and selected with vol up button.
A few seconds later an android robot showed up with an exclamation mark in its stomach.
And i pressed and holded vol up button about 10 seconds then while holding vol up button pressed power button once (still holding vol up) and recovery options showed.
I selected factory reset option and rebooted the phone.
It booted normally and running fine now.
Maybe this methode work for you too,
Good luck bro.
Doesn't work for me. Flashed it several times with different ROMS and Kernels. No change. I would say the USB Port is defect, but why can I use Fastboot and charge the phone in fastboot mode or when it is turned off.

S7 won't boot, blue LED always on.

Just some minutes ago my S7 froze because of Focus Gallery App. I don't exactly know what it did but the phone did not respond any more.
So pressing the power button did not bring back the phone either. After searching for a bit I found a way to simulate a bettery disconnect by pressing Volume Down + Power Button.
The Phone came back up and displayed the initial boot logo. Also the blue LED is on. But nothing happens from here on. I do not come to the "Samsung" boot animation and the phone simply
does nothing. Retriying Volume Down + Power Button doesn't seem to help too. I tryed all button combinations but nothing brings the phone back.
I also cannot enter the recovery menu. So no chance to reset to default settings.
I am running a stock Android on the phone. Nothing was done by me. No custom ROM, no root, just plain Samsung Android.
Is there sill something I can do?
Edit: I just got into whats seems to be ODIN Mode??? Can I do something from here?
Oddly this happened to me last night although I may have inadvertently done it. But the only way I was able to get my phone functioning again was reflashing the OS to the phone.
How did you manage to get the phone into Odin mode? I'm having the same issue with the phone being totally unresponsive but the blue LED on.
if you can reboot your phone with the VOL Down/Power, when the screen goes black, quickly press and hold VOL Up, Home and Power. it should enter recovery. or hold Vol down, Home and Power to enter the download screen.
I have the S7 Edge (rooted, custom ROM) and it's running fine. My girlfriend's regular S7 is having the same issue though.
When she plugged it in to charge last night, she checked it a few minutes later at which point the phone had (started to) reboot. The blue notification LED was on and the screen had frozen at the 'SA' from the 'SAMSUNG' startup logo. Forced a reboot with down+power, resulting in just the blue LED (no logo this time). Phone was unresponsive (couldn't force a reboot again) so left the battery to drain overnight. The phone is completely dead today even after charging - no LED, no boot, no anything.
I'm not sure if she had the phone scheduled to perform an update overnight and it froze halfway through, but that would be my first guess. So far, no fix.

T-mobile S8+ stuck on logo after applying theme

I'm currently on the oreo beta update and tried to apply a theme. Afterwards the phone reset and is now stuck at the t-mobile logo where it seems to look like it's in one handed mode since the other parts of the screen are black. The LED light is on and the phone continuously vibrates. I cannot turn the phone off and any attempt at booting it back into safe mode doesn't work. Any suggestions?
Well I couldn't fix it normally so I went into recovery mode and reset the entire device which solved the issue. Hopefully no one else has to deal with that. If your device doesn't turn off, hold power button + volume down to get it to soft reset then hold power + bixby + volume up to get into recovery.

Phone won't not turn on whatsoever?

Okay so I basically tried to install an older version of TWRP as the newest one didn't work. My phone got stuck on the galaxy s8+ screen. I held down the power button and volume down button. It turned off but now won't turn on whatsoever. I have tried every solution like holding down the bixby, power and volume up/down buttons etc and nothing is working. What should I do?
https://forum.xda-developers.com/galaxy-s8+/help/help-galaxy-s8-booting-t3895906 UPDATED POST

Samsung Galaxy S7 Will not power up, It showed a samsung logo and hung

My phone stopped working all of a sudden since last night, it was just sitting on the side idle and all of sudden it started showing a black samsung screen and hung and did not respond to any touch or anything else, At this point pressing powering button alone did not turn off the device, so I remembering pressing all of the button simultaneously and that turned off the phone but since then it wont turn on at all. I cant recall if the phone was on charge or not before it hung. But I am 100% battery was charged at least 70%.
After all that, I have tried all the possible combination of hard resetting this phone and still no luck to get it to power up.
Left the phone to charge overnight and in the morning tried restarting again with all the possible combination and still no luck to power up. I am clueless now.
Please let me know what could be the issue?
Any help would be appreciated
Update on the situation:
So Today I tried turning on the phone again and I pressed power+Volume Down+Home button and the phone started and it took me to the download mode. However when I pressed the up button it did not restart and stayed off, I pressed and held the same combition of buttons which are Power+Volume down+Home button then it took me to download mode again but I could not do much other than uploading a new firm to the phone which I did not want to do that. So I decided to restart it again by pressing the up button and it powered off and this time I went and pressed and held Power+Volume up+Home button and it did not do anything I tried this couple of times and still did not do anything. So I tried Power+Volume Down+ Home button and this time the device did not power up again.
At least now I know its not the hardware and some software glitch or a stuck loop.
Can someone please help me with this.
Thanks a lot Guys.
Update again:
Right after putting in the charging cable then the phone started up again and now the phone is showing an android blue screen "No Command" Pressing and holding Power+Up buttons do not bring it into the recovery mode? Please let me know thanks

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