[Q] Screen not working after startup - Nexus 5 Q&A, Help & Troubleshooting

Hi guys,
I have a peculiar issue. My nexus 5 displays the battery when charging when off, the android appears when selecting recovery etc. when power button and down volume button are pressed, and the phone when turned on displays the lights twirling and then the android symbol. So the phone appears to be fully functioning. After the word android disappears and the phone has started up there is no further display. However if I press the power button the 'turn off phone'will appear in the middle of the screen.
Has anybody any idea what the issue could be. I put the logic board in to another nexus and the same issue occurred. My thinking would be to reflash the phone?
Thanks for any input

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[Q] Bug or Defect?

I have encountered some strange issues with Galaxy R during the past few days. The first issue is when I plug in my headphones when the phone is idle (i.e. screen off) the menu key often fails to wake it up. Only the power button wakes it up. Sometimes, it wakes up but after a greater than normal delay This happens only when earbuds are inserted when screen is off.
Secondly, sometimes my touch screen and capacitive buttons loose their sensitivity for a couple of seconds (say about 10 seconds) and then come back to normal. The menu and power button works fine but the touch controls are lost.
Has any of you encountered the same? Please comment. Thank you!
Mine Galaxy R doesn't have any of this. I'm on 2.3.4 and you? I think its a defect. And where you wrote this:
The first issue is when I plug in my headphones when the phone is idle (i.e. screen off) the menu key often fails to wake it up. Only the power button wakes it up.
I think that is normal because you cant unlock the phone by using the back or menu button.

[Q] the power button got crazy

Hi,
Since 1 month my Nexus 5 has a weird bug : when I hit the power button, it seems to be activated twice or more, the screen shows "screen on / screen off". So when I want to screen on my phone, it's immediately followed by a screen off, and when I want to screen off it, it screen on.
More embarrassing, the power button seems to remain pressed sometimes and induces random reboots or power off my phone.
I suppose it's a physical problem with the power button which may got dust inside his mecanism. So I wonder if anyone of you have an idea to fix it. Maybe by opening the phone and scratch it with a smooth brush it can be cleaned ?
Thank you in advance for your help....

[Q] Intermittent freezing after unlocking the phone

Hi folks,
I'm not sure what is causing this. But my OPO seems to freeze sporadically after unlocking the phone. I'll swipe my pattern, the home screen will appear, then only the on-screen back button will appear (the home and right-most button will not appear). At this point, the phone is completely unresponsive, or rather maybe the touchscreen panel is no longer registering any inputs on my part. The screen would still time-out normally. However, pressing the power button will not wake it up, and the only way to recover the phone will be to long-press the power button until it reboots.
The frustrating thing about this is that it happens intermittently. I can never predict when it will occur, or what triggers it.
Can anyone provide any insight on how to fix this?
I'm running a completely stock OPO. Version 5.1.1. COS version 12.1 YOG4PAS3JL.
Thank you in advance!

N5 wont turn on- does not react to power/volume combos

Hey Guys,
sadly my Nexus 5 suddenly turned off and wont turn on again. When not connected to the charger it does not react to any button combinations. When connected it loops the google screen (the first one you see on boot, that shows whether phone is unlocked or not), but reacts to button combos, but still reboots into the loop immediately. The phone is charged and runs the latest cm13 snapshot.
Hope you guys can help!
Thanks and greetings from germany
Could be a power button problem.
Try gently tapping the power button against the edge of table to see if you can "unstick" it. If that doesn't work, open the phone and clean around the button.
Final solution may be to replace the power button.

Black screen when starting, only shows shutdown screen, no sound, no wifi

Hello, I have just rooted my phone, I'm using oos 11, and when I start the phone, it's a black screen and if I hold the power button it shows the shutdown menu normally. Sometimes I can get out by holding the power button. The other thing is that sound doesn't work, no matter what, I haven't found a fix to this yet and wifi isn't working, I turn it on and it doesn't do anything, and data feels slower. I'm wondering if anyone has the same issue(s) as me, and if so, is there a fix?

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