dimanche 20 mars 2016

Nexus 4 Won't Start (Backlight Comes On)

Hello,

I've had my Nexus 4 for about six months now and have never had any issues with it until two weeks ago. I've been using TWRP and multirom on it to try out Firefox OS, CM11, LuneOS, Sailfish OS, and Ubuntu Touch (running with 4.2.2 as base per requirements for Sailfish and LuneOS). I installed the latest LuneOS build about two weeks ago which involves installing via MultiROM and then switching it to be the primary ROM for the device (temporarily moving Android 4.2.2 to a secondary ROM going back into recovery and reversing it when I'm ready to use my other OS's again).

Anyways I started up LuneOS as usual with no issues and messed around with a bit before deciding to reboot (still into LuneOS not recovery) for whatever reason but the phone never did turn back on. I set the phone down for a few minutes not paying attention so I'm not sure if anything (visibly) unusual happened.

I'm not able to get it to go into recovery mode no matter how long I hold volume down + power (or any other combination of the volume/power buttons) and Nexus Root Toolkit does not detect any ADB devices. I've managed to get it to show up in Device Manager twice under Other Devices as "Jellybean on Mako" but still can't do anything with it.

When I plug the device in I can see the backlight turn on but nothing ever displays on the screen. I've been trying for two weeks now and have tried charging it for hours plugged up to my PC, original wall charger, QI charger, and have even taken the device apart to unplug the battery for a while which didn't help either.

Any input would be appreciated as I'm pretty discouraged at this point.


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