HD2 Power Button Not Working - HD2 Android Q&A, Help & Troubleshooting and Genera

I can not get my power button or my call button to work on this HD2 I have been working on. Initally the phone had a bad motherboard but I am pretty sure the power button still worked on that motherboard. I switched the motherboard out with one that I knew worked but then at least the power button didn't work. I got the phone to turn on and operate so I did a factory reset and it will turn on fine now. But the power button and the call button don't work. I looked at the hardware again and saw that the ribbon cable to the buttons was ripped a little so I replaced that and still the two buttons don't work. I don't know where to go from here. The buttons do press down and click like the other buttons and I have made sure the buttons are lined up right.

damb1t said:
I can not get my power button or my call button to work on this HD2 I have been working on. Initally the phone had a bad motherboard but I am pretty sure the power button still worked on that motherboard. I switched the motherboard out with one that I knew worked but then at least the power button didn't work. I got the phone to turn on and operate so I did a factory reset and it will turn on fine now. But the power button and the call button don't work. I looked at the hardware again and saw that the ribbon cable to the buttons was ripped a little so I replaced that and still the two buttons don't work. I don't know where to go from here. The buttons do press down and click like the other buttons and I have made sure the buttons are lined up right.
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which rom you flashed?

I have sort of similar problem where my screen also stops responding after a few minutes of powering on.

Related

weird power button operation-g3 wiz

Hi guys, I hope I can type this coherently.
I have a g3 wizard that I have flashed many times over the last year or so. Lately the power button has stopped working. I can get the phone to turn on by plugging it in, and then holding in the camera/voice buttons and THEN hitting the power button. It goes into the rainbow screen, and I just soft reset via the hole on the side. At that point it is on and running fine, but the power button does nothing.
The power button does nothing at all unless I plug the phone in, and then only if I go to bootloader. It seems to work just fine to do that-which is what is stumping me. I thought the button was just broken. The charge/battery lights do come on.
For now I have it set to never turn off, so I try to make sure it doesn't run too low. The battery life seems ok. Any tips? I want to be able to put the phone to sleep again...
thanks

Problem with Power off

I have problem with power button. when push pwr button dont,t off pda, but when hold pwr then lights off.
Power is never shut off in PDAs, thats the way PDAs have been designed.
I have the same problem, he is not talking about a full power down. If you hit the power button quickly the phone does nothing. However if you hold the power button down for about 2-3 seconds the lcd light turns off as it should.
Because of this I have to wait 1 minute for the unit to suspend before putting it back in the holster.
Does anybody have any idea as to why this might be happening. Im not new at this so hard reset, soft reset.. new rom... new radio...turning up side down while chanting. It does not change......
It will do it right one or twice in a week.
Maybe somebody that understands the signal that the unit receives upon pressing the power button might be able to shed some light on this.... Again the button does seem to operate just not suspend when pressed normally (1 second or less)
I have done some more research and this seems to be a common problem for some with BAs but nobody has found out why. There must be some kind of common hardware fault.. Does the power button send only one signal or is it a multi signal device.
afbcamaro said:
I have the same problem, he is not talking about a full power down. If you hit the power button quickly the phone does nothing. However if you hold the power button down for about 2-3 seconds the lcd light turns off as it should.
Because of this I have to wait 1 minute for the unit to suspend before putting it back in the holster.
Does anybody have any idea as to why this might be happening. Im not new at this so hard reset, soft reset.. new rom... new radio...turning up side down while chanting. It does not change......
It will do it right one or twice in a week.
Maybe somebody that understands the signal that the unit receives upon pressing the power button might be able to shed some light on this.... Again the button does seem to operate just not suspend when pressed normally (1 second or less)
I have done some more research and this seems to be a common problem for some with BAs but nobody has found out why. There must be some kind of common hardware fault.. Does the power button send only one signal or is it a multi signal device.
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Do you have a problem with turning on? First, we need to know whether it is hardware issue or not...
What you can do in the mean time with the turning off problem is by installing a poweroff app like shutdownme, psshutxp, etc etc...
Absolutely no problem with turning on from standby... Right now i just lock the phone before placing it back in the holster.
To make it clearer if you HOLD the power button down the backlight will turn off only. It will still show the display image and keys will still function (it dims)
Well, I had the same issue with the latest WM5 ROM. I thought I was too stupid to press the button, then I thought the button was broke, then I thought, I'll have to live with it.
Now that I have flashed to WM6, no problems at all! Never even came to my mind that this problem once existed. So I guess that some ROMs just have this particular bug?
Stefan
I have tried all the roms as well as 2003 and have the same issue in all of them. And im not alone.
Power off Problem
I'm in same condition.
Had the same problem when using WM2003 second Ed.
Now I've installed WM6 but nothing changed:
I cannot power-off/suspend but can turn off backlight if press and hold power button.
When in standby the button works fine to turn on the device.
Also, sometimes volume turns up continously with "noisy" beep ...
Anybody solved this problems?
Thanks,
Ruben
(WM 6 - 5.60.00 build 18125.0.4.2
radio 1.12.00 )
Power button has two modes:
1. Click mode: Click it once for a short duration. This turns off backlight and can be resumed by pressing it again or by pressing OK button
2. Press and Hold mode: Press and hold for few seconds and release. This mode will dim the backlight and no other button will bring it back. This is some kind of deep sleep in battery mode. To resume the original setting, press and hold Power button again for few more seconds.
(p.s.: I am not sure if this behavior is true for all the BA models)
April 1,
I know these modes...
It seems that "mode 1" doesn't work at all...
I would activate "Button Lock" (settings-->button--> Lock(tab)--> "lock all buttons except power button") to turn-off backlight and "lock all buttons except power button" but I cannnot...
You solved this problem?
I have had this issue of not being able to power off. One way I always got out of it was by clearing the registry hive. Unfortunately this brings the PDA back to the basic ROM. At this point the power button worked without any issues. Upon reloading the software the problem may come back. I believe the issue is related to some programs. I can't recall which program it was that seemed to cause the issue. One other thing I think that also worked was just entering the registry and getting back out and doing a hard reset.
I had the same problem with my 6600. the message button also didn't work. Believe it or not, to fix it. I banged the lower half (4-way area) on my desk a few times. Not hard enough to break the screen. But prolly hard enough to free what was prolly a sticky key. And now everything is working.
i am too
the same ...
when i press the power quickly , nothing happen
when i press the power for 2 sec. the backlight turns off
i tried every thing .... including formatting my BA
any one solve it ???
I have this same problem, my power button does`t work. i tried installing different roms but without any chance to fix it. maybe its an mechanic issue. i will change pwr button, i hope this work.
Look at one of my previous posts. I fixed it, twice, and other users have used the same metod to fix it. I think the problem is "hung bit" hardware related because you can also send it in for service, and they will change a chip, but i never had to.

[Q] Milestone 2 power button repair

Hello there guys!
Recently my M2 power button stopped working, there is no click whatsoever. I checked it up and it seems that the small metal piece fell somewhere inside the phone. I found this dissasembly video : http://www.youtube.com/watch?v=BUXSmlwUC9Q
Now here is my question : it looks like while dissasembling you are ripping the phone apart, is there any permanent damage when trying to dissasemble? I could do it by myself, pasting the metal piece inside but I m a bit concerned about damaging the phone.
Thanks
Strange Milestone 2 power button problem
Hi, I have a strange problem in the power button too, but it's very rare (may be rare just for me)
The thing is that the power button suddenly stops working. If i take off the battery and put it again the phone boots without pressing the power button, and it still not working. Then after some time, it suddenly starts working perfect there is no need to press it stronger then normal.
I can't find out any patterns in this behavior. Another strange thing that happens is that sometimes the button works intermittently and delayed. Example: I do a long press of the power button and nothing happen, then the shutdown dialog shows 2 seconds after. And some times (the most) it doesn't
I'm a little bit confused about it, any ideas?
I've new info: i can't get into bootloader mode (the phone turns on but i get a black screen with no text)
Think I am getting the same power button problem now. How did your repair go?
Same problem here now, dunno if its really related to the power button or something
completely different is going to break down soon.
I will try to replace the whole flex cable with the buttons, but shipping needs some weeks.

Home button broken & Phone keeps restarting

I've tried
http://forum.xda-developers.com/oneplus-2/general/guide-oneplus-2-home-button-dead-t3324321
none of the solutions worked while I was on Seraphs CM13.
There wasn't any on-screen buttons even in the buttons menu, so then I decided to flash Oxygen back on it because I know there was on screen buttons. After getting Oxygen 2.2.1 back, I tried to call *#808# and it would just lag and nothing would show up. Now the phone keeps restarting on it's own, power button doesn't make the clicky sound anymore however I'm able to feel when it's pressed down and I'm not sure if the power button is the cause of it. Not sure what to do from here, should I just contact OnePlus? It's been several months with my phone.
Same here
The home button on this phone is a capacitative one, it should not make any clicking sound as it's static.
Probably your home button and/or IC circuit just died for you like many others (me included). I swapped the button myself, as I'm pretty used to repairing phones myself, but that alone didn't fix the home button so it's probably the speaker IC or flex cable going up to the mainboard that's gotten fried by static electricity through the button.

Samsung Sm- J120H aka Galaxy J1 (2016) LCD problem

Hello, I hope this is the right forum for my question, sorry if I made a mistake. Anyway, my uncle bought this phone month ago in another country, everything worked fine until yesterday when LCD stopped working. After some time of trying to fix it, we concluded that if you press volume (up, down or both at the same time) button and then the power button, screen turns on and works for some time (couple minutes) but then goes black again. If you just press power button (without pressing volume button) it stays black but you can still hear it unlocks when you slide your finger across the screen, so touch screen works, phone works but LCD is black. I am guessing it's loosing connection but how does it turn on every time when I press volume button? It's very confusing. Phone was in a protective case since first day and it hasn't been dropped. Since it's bought in another country, it would cost more to return it there than to buy new one, so do you have any ideas? I have been replacing lcd screens for my friends last two years so I was thinking maybe I can disassemble it and check connections. Any help? sorry for my bad english
Luka keko said:
Hello, I hope this is the right forum for my question, sorry if I made a mistake. Anyway, my uncle bought this phone month ago in another country, everything worked fine until yesterday when LCD stopped working. After some time of trying to fix it, we concluded that if you press volume (up, down or both at the same time) button and then the power button, screen turns on and works for some time (couple minutes) but then goes black again. If you just press power button (without pressing volume button) it stays black but you can still hear it unlocks when you slide your finger across the screen, so touch screen works, phone works but LCD is black. I am guessing it's loosing connection but how does it turn on every time when I press volume button? It's very confusing. Phone was in a protective case since first day and it hasn't been dropped. Since it's bought in another country, it would cost more to return it there than to buy new one, so do you have any ideas? I have been replacing lcd screens for my friends last two years so I was thinking maybe I can disassemble it and check connections. Any help? sorry for my bad english
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Hello there, I'm from Brazil, as my english may not be the best lol... So I have same phone as you and similar problem... The problem is that volume down doesn't work. Other buttons work fine though. Also, the phone always enters in safe mode, so I assumed the volume down button is being pressed all the time. Except that, I realized that I could enter in download mode (I tested, if I don't press volume down in the combo 'power button + home + volume down' it won't get into download) and if I press volume down to cancel it will actually cancel and restart the phone. So the button is working... Here is the part where I think the problem is similar. There was a time I turned the phone off, through the system as we normally do, and then it wouldn't turn on again. I realized it was actually turning on, but the screen was black. I tried entering download mode and tested on odin and it actually had entered download mode, but the screen was black... Then after several attempts it finally got back on again... So I think there is something related with the button circuit with the lcd, I don't know. I would like to know if you got to any solution there. I guess that instead of bringing you any solution I'm bringing another problem lol. Well if I have any other information I will post it here. Best wishes.

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