Replaced screen, boot now stuck on OP logo, VolDOWN + Power / Recovery doesn't work - ONE Q&A, Help & Troubleshooting

Has anyone ever gotten stuck on the OP logo bootscreen after replacing the screen?
After replacing the OPO screen with the Vifocal screen+display assembly, I am stuck on the OnePlus logo, the Cyanogenmod doesn't ever appear, and the top of the phone (logic board) gets very hot. The same thing happens when the phone is powered off and then is plugged in to charge (doesn't show the battery recharging animation, it's just stuck at the OP logo). Can boot into fastboot (vol up + power). Cannot boot into recovery (vol down + power).
No custom ROMs, not rooted. Using most recent over the air OS version, although prior to the screen breaking I remember a notification asking me to update, but I don't recall ever accepting it. Since then the phone has been off (approx 2 weeks) while I was waiting for my replacement screen.
Thoughts? Thanks everyone!

I've replaced my screen a couple of times without issue. I'd tear it apart again and make sure a all the connections are solid and be certain you didn't forget or miss any.

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Device Info:
VZW Moto G (1st Gen)
Android 4.4.4. KitKat (Stock)
No root, bootloader locked, never tampered with
Problem:
I set my phone down on the kitchen table and left it there a while. When I came back the notification light was blinking so I tried to turn on the screen, but nothing happened. Eventually I hard reset the device (held down the power button until the device started to reboot). The phone showed the white boot up screen with the planet Motorola logo, but rather than continuing with the boot animation, it hung there for a while before going to a black screen. I have left it for hours, it never progresses past this point. Sometimes it will reboot itself and try again to no avail. I was not installing any updates when this took place.
Attempted Solutions:
I held down the power and volume down buttons and went to bootloader. The battery was listed as low. I let the battery charge overnight and tried the bootloader again. The battery is now listed as OK, but the phone still won't boot. To be extra sure it isn't a battery issue I tried different chargers, outlets, and laptop USB ports for long periods of time. I am convinced this is not the usually "phone will not charge when turned off" problem. I also attempted to hold the power button down for long periods while on and off the charger. No results.
Resigned to take drastic measures, I tried first recovery and then factory reset from the bootloader screen. Each time I am returned to the white screen and then the black and nothing happens. I do not get the distressed android logo at all. I tried to unlock the bootloader to install a custom or factory image, but this is not allowed for the Verizon version of the Moto G.
I am out of ideas, having tried everything I've read on other posts with similar issues. What can I do?

HTC One(M7) Boot Problem!

Hi i am new here and was hoping that i get a solution to the problem that i have been trying to figure out for a few days now. I searched a lot before posting but wasnt able to find something related to this. My phone is an HTC One M7 and i was trying to update to the latest OS when the phone stopped booting into it after the update as it got stuck at the boot screen. So i waited for an hour until i decided to shut it off and when i tried restarting it, the phone stayed stuck at the HTC logo not even the ONE logo screen.
So i read a few suggestions and went into the bootloader > recovery and cleared cache and then restarted the phone as per the instruction i got afterwards. This time it kept cycling around the boot screen and black screen and so on. So i again went into bootloader and decided to *power down* the device till i was able to learn what to do next but to my surprise, the phone doesnt boot anymore into whatever there is - tried Power + Vol down, Power hold etc.
The phone charges though and is currently at 100%. So i am right now in a dilemma as whether to continue trying to fix this by myself or just send it to the service centre where they will charge around 300$ for this to get repaired while telling me that something got fried on the inside.
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Moto G bootloopand won't boot into fastboot

well, hello everyone here, yes, as the title says, my moto g is just stuck on the motorola logo and that's it, i bought this phone to a friend who told me it was the motherboard that was f****d up, but when i got home y just pressed vol - and power just because of instinct (i actually don't know much about this phone or motorola phones itself) and it enteredinto fastboot, so i was like: 'ok..... i've just bought a treasure' and everything relatively ok, i browsed through the menu options to see what was available, i pressed Recovery and the phone just turned off because it was low in battery (before all of the fastboot and stuff when i press power, the white led just blinked and that was it, it wont even boot into Motorola logo). Ok after seeing that the phone was low battery i disarmed it and charged the battery with two cables from and or usb i peeld just for this situation. After leaving it for like two hours i put the battery again and was stuckd into the Motorola logo... nothing hard, but what is pissing me off is that now i CAN'T BE ABLE TO BOOT INTO FASTBOOT and it's just stuck booting o trying to (when i connected the battery the phone turned itself on). Now i don't know what to do, i'm desperated, please, help me
duvaldavidr said:
well, hello everyone here, yes, as the title says, my moto g is just stuck on the motorola logo and that's it, i bought this phone to a friend who told me it was the motherboard that was f****d up, but when i got home y just pressed vol - and power just because of instinct (i actually don't know much about this phone or motorola phones itself) and it enteredinto fastboot, so i was like: 'ok..... i've just bought a treasure' and everything relatively ok, i browsed through the menu options to see what was available, i pressed Recovery and the phone just turned off because it was low in battery (before all of the fastboot and stuff when i press power, the white led just blinked and that was it, it wont even boot into Motorola logo). Ok after seeing that the phone was low battery i disarmed it and charged the battery with two cables from and or usb i peeld just for this situation. After leaving it for like two hours i put the battery again and was stuckd into the Motorola logo... nothing hard, but what is pissing me off is that now i CAN'T BE ABLE TO BOOT INTO FASTBOOT and it's just stuck booting o trying to (when i connected the battery the phone turned itself on). Now i don't know what to do, i'm desperated, please, help me
Click to expand...
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I have exactly the same problem. My moto g doesn't stop trying to start uo even if i am not pressing the power button. When I connect it to the charguer screen turns on and says o% battery, then it tries to turn on itself. Have you solved this problem???
@duvaldavidr @jorgearnaiz998 Any of you had any luck?

Black Screen Need Help!

H3223 XaA2 Ultra, got a black screen even flashing stock firmware with new flasher. It'll boot but has a black screen, anyone know how to fix this? i can access flash mode and fastboot mode. but when starting its just a black screen, no unlocked bootloader screen, no sony screen, but the phone seems like its booting because the led will change and then stay green because its fully charged and plugged into my computer.
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Sudden black screen, one pixel lights up.

Hello
Today my SM930F seems to have freezed. Basically I picked up the phone and the display would light up only one pixel. Others are utterly black. I tried rebooting the phone. PWR + VOL DOWN, tried rebooting into recovery and download. It seems to reboot into them just fine, but I can't operate them, beacuse nothing shows up. Screen is dead black. Phone is recognised by my computer and Odin. Seems to be charging normally when plugged in a wall charger. As I recall the phone was running a stock rom. LED and soft keys light up normally. Glass is a cracked on both sides of my phone, but I think it's a software issue. In other threads people have reported that Spotify app can cause similar problems and I have it installed.
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