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Nexus wont sleep with power button pressing

Been happy with my Nexus with Cyanogen Rom, but just having a problem with it sleeping:
Suddenly its stopped going into standby/sleep when I press the power/wake button on the top. Pressing and holding still allows me to shut down etc, so its not hardware.
The only thing I thought was I just installed RoboDefence Free Edtn and Android mentioned it will keep the phone awake in the "Program Controls" confirmation page. I've since uninstalled the app but still have the problem.
Anyone know if theres a global setting somewhere for this?
Thanks,

I am having the same problem with my recent Cyanogen

if you are on 5.0.5, i'd wait till tomorrow till 5.0.5.1 comes out and hope that fixes it.

check your end button behavior under spare parts. i changed mine to "sleep" on 5.0.5 and now the power button puts the phone to sleep

had this problem for a few days intermitantly then wouldnt let me power down at all....took my battery out and phone wouldnt turn on...! phoned HTC said they will collect and see for repair/replacement...
tip: back up your data now just in case it is the power button on its way to braking down. just in case!
very helpfull staff tho wen i called up quite pleased so far!

any update?
..im having the same issue, and was
considering calling in & sending it back,
but i'm wondering if they'll snoop around n'
find out that i've rooted & un-bootlocked..

cant power on my touch viva ://

it all started a week ago, when my screen backlight went dim i couldn't refresh the screen pressing the power button and the phone stayed "dead" until someone called me or sent me an sms..this was all frustrating and i taught it could be fixed by flashing a new rom, but it didnt..and today i drained my entire battery out and now after i recharged it i can't power on my phone .. i think the power button is broken or somethin..the problem is i live in bosnia and there isnt a HTC Customer Service here, cause its not a common phone on our market, and i cant repair it..
suggestions?

i figured how to turn it on...i toke out the battery and the sim card,and after i put all that back it turned on...

Power Key malfunction! Help!

My phone was working just fine till today morning my phone hung up. As a general response I pressed the power key to lock it. Nothing happened. Nothing. So I waited it out. Soon the phone was back but the power key became totally dead. It wasn't locking the screen. I used the Screen lock app on emanoN rom v4 to lock the phone and it was working. The screen was getting locked. Figuring this must be some freak bug I tool out the battery and restarted the phone. Same problem except now even simply pressing and not long pressing the lock key would prompt the shut down menu. If ignored the phone just casually restarts. This is annoying because if out of reflex i press the power key , my phone will restart. Now, sometimes the power key does do it's job of simply locking and unlocking the phone. But sometimes it just restarts the phone.
I thought this was a problem with the ROM and so i shifted to godell's MORe ROM. Same problem. Now I've shifted to fresh stock 2.3.6 flashed using Odin and I'm still having the same problem. Pressing power does not lock and instead prompts the shut down/restart menu. and Sometimes the phone just restarts at random . Please help me fix this.
I'm going to go for a full downgrade to 2.3.3 [Since my 2.3.6 upgrade just flashed the MODEM*.md5 and CODE*.md5 files]
But before that.. Why is this happening? Is there any fix?
Thanks!

I have completely reflashed to gingerbread 2.3.3 using odin and problem persists.
I do not think this is a hardware issue,because the button's reactivity is just fine. It's just the action that it does after the keyPress.

Your power key problem might be a hardware issue... :| How old is your phone? You might have used it too much. My friends galaxy mini- the volume up button doesnt work because he used it too much.

It's about an year old.. I'd say 10-11 months or so..

Captivate power button

well my button was woring tilljust a few moments ago ( power button ) it stopped workin as soon as i flashed rooted stock rom from this forum, any chance it might have beenthe rom or did i just got lucky and lost the power button ?

nonaxanon said:
well my button was woring tilljust a few moments ago ( power button ) it stopped workin as soon as i flashed rooted stock rom from this forum, any chance it might have beenthe rom or did i just got lucky and lost the power button ?
Click to expand...
Click to collapse
This same thing happened to mine. Sadly, a handful of roms later I am positive its the button itself. It works sometimes but not all the time. Having the option to set unlock to the volume rockers has been a lifesaver in CM.
Let us know what you find out.

using volume up is a temp fix, i did it also, had no other way, and using the tap tap app also works, what bothers me is, when phone shuts it self down, wich it does a lot all my android phones from stock have done that, the sporadically shut down thingie...how will i turn it on having no power button ?

[Q] nexus one frequently popping power menu after flex cable repair

i was rooting and flashing ROM on nexus 1 for the first time in my life, so i ran into some troubles but i managed to run cyanogenmod 10.1 by vj.
everything worked just fine except the power button. Checked the forums... and found it might be the flex cable. I sent the mobile to service center and i was told they replaced the flex cable. Okay fine. Now the issue is that the power button menu keeps popping up even without any touch/press on the button. If i just press the upper body of the phone itself this menu pops up. I cant play videos in landscape mode without popping this menu. Its killing my day and experience of the awesum rom. I checked it with the service centre and they say i need to change the panel. I dont know but i feel like they are ripping me off. If i deliberately power off, it somehow gets to boot up with the slightlest touch or shake :crying: Guys please help me.. thanks in advance..