Database Develop

[Issue] Will not boot

My touchpad will charge or atleast it says it will charge but it will not power up. I have tried holding the power button with the home button and it flashed the battery dead sign(which it had been charging for over a day). The sign only appeared that one time and i can not recreate it. Any ideas? It does not have any special roms on it, it is all stock. And I have sent it into HP and they sent it back in 'working' condition but it wasnt fixed at all.
Fill free to ask away about what i have or havent done or need to do. HELP!! lol, please

mm...well now it is occasionally telling me that im not using the right power source when I'm using the charger that came with it. And when it did tell me that the back light would go on and off and it would switch to the dead battery sign. It was doing it in a pattern too (dead battery-> back light on/wrong charger -> back light off/wrong charger -> repeat). The USB connection seems fine in there because i was wiggling it around when all that was happening and it didn't seem to make a difference from when i was wiggling and when I wasn't.
And to be honest, I do not know why the dead battery would be showing. It claims it has been charging for days. I am gonna let it recharge again I suppose to see if it makes a difference.

Might be a bad cord.
I have had 5 cords from them fail so far.

I will try another cord but the cord and plug seem to charge my other devices fine and I believe I have used other cords to charge it before. I shall report back in tomorrow.

Well another cord did work but it doesnt show that it is charging anymore. I guess that isnt a big deal but is there a way to fix that?

mysteriously dead IncS

Yesterday my phone shutted because my battery, I connected to my car and charged a while, I got out from charging and using 2-3 minutes more and battery died again. When I got home I connected it to AC power and powered on, It was working without problem. I left my phone maybe 1 hour charging and when I took it again it was dead: screen dead, no life signal, just the led blinking slowly when connected to power (either AC and USB)...tried to take off battery but nothing. Today I connected it to PC and windows has recognized it but cannot identify it (on the PC the classic USB device not recognized error with yellow triangle on top) and the led is always blinking.
Any idea? should I have to buy a new phone?
thanks

Sounds like your battery is dead. Try replacing your battery
Sent from my HTC Incredible S using xda app-developers app

mohdsubaie said:
Sounds like your battery is dead. Try replacing your battery
Sent from my HTC Incredible S using xda app-developers app
Click to expand...
Click to collapse
Do you think is a battery problem? phone should boot even without a battery when connected to power...or not?

ledzgio said:
Do you think is a battery problem? phone should boot even without a battery when connected to power...or not?
Click to expand...
Click to collapse
Try Running some POST tests. As in, Power off your device and wait for few seconds. Then Press and hold your power key and your volume down key. You should be able to access your Bootloader. (If you have Rooted your device, you could access your recovery and clear the battery stats although your device's condition seems peculiar/critical). Its worth a shot If you ask me.

I have already tried it but nothing, cleared dalvik and battery stats..I cannot understand whats going on. Now phone is working again but it cannot maintain battery, I mean I kept it in charge all the night but when I power on the phone it shuts down just when it starts android (thats strange because I went to a store yestarday and tried a new battery but it didn't worked, when got home I tried to power on it again and it started)...this is driving me crazy!!
edit: I turned it on, plugged in AC charger and phone after some minutes told me that (I don't remember the exact message) power needed by the phone is more than the charger could provide...
edit2: now it is on and it is charging (USB) and it doesn't charge more than 21%...really strange

Odd that this hasn't been mentioned but perhaps try a different usb cable? Different port? Seems obvious but you never know. Cables can deteriorate.
Sent from my HTC Incredible S using xda app-developers app

TheMegosh said:
Odd that this hasn't been mentioned but perhaps try a different usb cable? Different port? Seems obvious but you never know. Cables can deteriorate.
Sent from my HTC Incredible S using xda app-developers app
Click to expand...
Click to collapse
I have tried 3 different cables and 2 different computers...same result. I have flashed a new ROM, plugged in for charging and now is stuck on 15% battery (5 minutes aga was 16%, it discharges while plugged in).

Ok maybe here is a solutions:
http://forum.xda-developers.com/showthread.php?p=26492940#post26492940
What do you think about?

Nexus 7 is not charging anymore

Hi !
So my nexus 7 is not charging anymore... 3 days ago I took it outside ( it was -20°C in Montreal) and tried to use it but it did not start ( I think the battery went off because of the cold).
When I went back home I plugged it to the AC charger but nothing happened. I checked on several forums ans finally succeeded in booting the tablet. But the as soon as the tablet is on, it displays the message that the tablet is shutting down. I can see that the battery is empty and it is like the tablet is not plugged to the charger(the icon displays a red exclamation point instead of the charging indicator)
When the tablet is off and I plugged it to the charger it displays the charging icon for a 10 seconds and then it disappears. During those few seconds I can launch the boot loader. I tryed to shut it down, de plug and re plug the charger. The charging icon appears and then disappears again after a few...
Any advice on this one ? I don't think the tablet is totally dead but I don't find the way to make it charge again.
Thanks a lot,
Guillaume
Sent from my A500 using xda app-developers app

djspank said:
Hi !
So my nexus 7 is not charging anymore... 3 days ago I took it outside ( it was -20°C in Montreal) and tried to use it but it did not start ( I think the battery went off because of the cold).
When I went back home I plugged it to the AC charger but nothing happened. I checked on several forums ans finally succeeded in booting the tablet. But the as soon as the tablet is on, it displays the message that the tablet is shutting down. I can see that the battery is empty and it is like the tablet is not plugged to the charger(the icon displays a red exclamation point instead of the charging indicator)
When the tablet is off and I plugged it to the charger it displays the charging icon for a 10 seconds and then it disappears. During those few seconds I can launch the boot loader. I tryed to shut it down, de plug and re plug the charger. The charging icon appears and then disappears again after a few...
Any advice on this one ? I don't think the tablet is totally dead but I don't find the way to make it charge again.
Thanks a lot,
Guillaume
Sent from my A500 using xda app-developers app
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Click to collapse
Does the charger get warm at all when you plug it in? Not that that's necessary but curious. Try charging on a different charger. Perhaps a local BB or similar would let you try plugging in in lieu of buying one. But trying a different charger/cord would be my first step.
Usually it's heat and not cold that devices hate.
HTH

Have you plugged it into a computer and left it that way for a few hours?

Did you tried pressing Power button for 30 seconds ?? It worked for some people, I was not even able to turn on my nexus 7 when its reached to my hands, i was so unlucky, today i given it to Asus service centre as its has international warranty, i lives in india & bought from US, they working on it,hoping for best.

You might have to take the back off and check the battery connector,some people have had them come loose.
Sent from my SGH-I927 using xda app-developers app

These things are freezer tested and they work. Worst comes to absolute worst complete battery replacement is not that difficult if you are out of warranty. I remember reading that in the disassembly notes.
Sent from my Nexus 7 using xda app-developers app

Urgent Help

Hello,
I have samsung galaxy note N7000 just purchased it from friend it is from t-mobile. Everything was working fine i did charged it also but before 2 days it was not charging battery gone full down.. I bring new battery to check, when i plug charger or only usb cable through system it is showing charging but it is decreasing battery not increasing.. Please tell me what happened i dont want to repair and open seal of it...
Another thing is i am not able to go into recovery mode i am familiar with htc mobiles and rooted many htc mobiles but about this one i am nob, i am trying to press volume up + power button it vibrate then mobile come to normal boot, i again tried to press volume up + home + power button but same thing happened, i thought if i will go to recovery mode and remove battery cache from there may be it will work please expoerts look into this and help me.....
Thanks in advance.

efuzone said:
Hello,
i am nob,
Thanks in advance.
Click to expand...
Click to collapse
You might wanna edit that bit lol
It's possible the charger port is faulty, it's a common fault on notes, try cleaning it with alcohol and compressed air, also try new charger, sometimes mine says charging (usb) when connected to mains, I use same charger as my gf and hers says same so I believe my charger is at fault.
If the above methods don't help, consider repair under warranty if you have it.
Sent from my GT-N7000 using xda premium

anybody else?

Either ur charger or the usb port has went awry. So youa can check the battery charging it out of the phone. Externally and theb check if its working good.
Sent from my GT-N7000 using xda app-developers app

Sir tried 3 chargers and usb cables.. also connected usb cable through computer, it is showing charging but it is not charging decreasing battery percent.. Battery is fine got new one to try, battery is working but not charging

[Q] Cant charge with external battery

Hey guys,
I have the ZNEX Powerpack:
Capacity: [email protected],7V
Output: 5V 1A
amazon.de/ZNEX-Ausgangsleistung-Hochleistungsakku-Playstation-Blackberry/dp/B004A8288U/ref=sr_1_1?ie=UTF8&qid=1363106013&sr=8-1
Unfortunately its not possible for me to charge my s3 mini with this external battery.
The cable and the battery is okay, tested that with other devices.
Anyone can solve this problem or has it too?
Thanks

Turn off phone turn on charger plug in to phone then turn phone on it should charge and you can use it at same time
Sent from my GT-I8190 using xda app-developers app

serophia said:
Turn off phone turn on charger plug in to phone then turn phone on it should charge and you can use it at same time
Sent from my GT-I8190 using xda app-developers app
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Click to collapse
Thanks for the quick answer but that doesnt work
also when the device is off and i turn on the external battery the device turns on and gets into a load mode or something (it doesnt even load at this Point, seems so that it just init the "turned off charging" dont know how i should call that )
same Thing when i restart the phone with external battery plugged on, there just happens nothing, normal boot process without any hint of charging^^

Ahh really? I had same issue and my method seemed to work are you trying with ur usb cable that came with the phone or the one that cane with the battery power. Try both out
Sent from my GT-I8190 using xda app-developers app

about newardb
serophia said:
Ahh really? I had same issue and my method seemed to work are you trying with ur usb cable that came with the phone or the one that cane with the battery power. Try both out
Sent from my GT-I8190 using xda app-developers app
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Click to collapse
What do you mean with "the one that cane with the battery power"?
Ive tried a lot of different usb cables they work all with the original charging-adapter but None with the external battery
tried it with the Amazon Basics usb cable, original Samsung data cable and the cable from the old Motorola xt 720 ^^
But thank you for the answer

strange.. when device is off can it charge or it doesnt charge at all with the samsung data cable. If it does charge while off, when its charging turn on the phone and it should charge as well.

witleg legislation
serophia said:
strange.. when device is off can it charge or it doesnt charge at all with the samsung data cable. If it does charge while off, when its charging turn on the phone and it should charge as well.
Click to expand...
Click to collapse
Sadly that doesn´t work too. The device is doing absolutely nothing when i restart it from the turned off charging. Its like it wouldn´t know that theres a cable that wants to Charge it.

firefish18 said:
Sadly that doesn´t work too. The device is doing absolutely nothing when i restart it from the turned off charging. Its like it wouldn´t know that theres a cable that wants to Charge it.
Click to expand...
Click to collapse
Dang idk then maybe the voltage is too low to be recognized. Mines a 5v 5000 mah battery supply and it works fine
Sent from my GT-I8190 using xda app-developers app

serophia said:
Dang idk then maybe the voltage is too low to be recognized. Mines a 5v 5000 mah battery supply and it works fine
Sent from my GT-I8190 using xda app-developers app
Click to expand...
Click to collapse
My external battery has also 5v.. and 1A should reach to Charge

Same problem here. No matter what external battery pack, this S3 mini is not detecting the battery pack as a charger. All of these packs work just fine with any other phone: tried with 2 SII, i8910, different Nokia phones, Blackberrry's etc.
I suspect that somewhere in the kernel there's no "3rd" unknown source or it has odd values, or it's somewhere else, but definitely soft problem as phone usb port works fine and recharges just fine from PC or laptop with any and every usb cable. Same goes for wall chargers. I haven't tried with car chargers just yet, but might do so. Just the phone is not mine, it's my wife's phone so I can't just take it with me.
Any suggestions?

Just a quicky: Is your phone trying or connecting to a PC in MTP mode?
XXAMA2 rom here and it always has only MTP or Picture mode, maybe this triggers something if on external power pack?
Edit: BTW, even when phone is turned off it won't charge the battery from the 3rd party external battery packs... weird.
Edit2: It started to charge out of 2.1A port on external pack after 5 minutes... then continued to charge once the phone is turned on. Later I unplugged it and plugged in again and it won't charge if the phone is on. Oh well, at least it can charge if first turned off. At least that when on the road and without wall plug...
Even more strange is what I'm getting now when plugging to Duracel external pack - phone starts the music player on it's own and starts to play... I think it's defo something related to MTP or such...

Strange. My power bank works just fine. The charging indicator shows when I plug my S3Mini with my power bank. (Cheap chinese brand. 5200mAh, 1.0 A)
Usually when the USB indicator showed up when you plug your external power source, the cable is the one with 4 lines (two for transferring data, and the other two for receiving electricity needed for charging, or +/- ).
Try using the USB cable with two lines only (electricity lines only, without data transferring lines)

kuroiraida said:
Strange. My power bank works just fine. The charging indicator shows when I plug my S3Mini with my power bank. (Cheap chinese brand. 5200mAh, 1.0 A)
Usually when the USB indicator showed up when you plug your external power source, the cable is the one with 4 lines (two for transferring data, and the other two for receiving electricity needed for charging, or +/- ).
Try using the USB cable with two lines only (electricity lines only, without data transferring lines)
Click to expand...
Click to collapse
Well, after trying all USb cables I have in my house I found one that is CHARGING IT!!! I dunno what wires it has or not and I don't care ATM. Point is there's nothing (EDIT) wrong with battery packs nor the phone. It all still indicates damn MTP kicking in where it shouldn't IMO. Dang Samsung for screwing it all up yet another time.
Still, I'm happy it CAN work all right, so no more depleted battery when on the road / trip
Thanks for a great suggestion there!
+1

Fevves said:
Well, after trying all USb cables I have in my house I found one that is CHARGING IT!!! I dunno what wires it has or not and I don't care ATM. Point is there's nothing working with battery packs nor the phone. It all still indicates damn MTP kicking in where it shouldn't IMO. Dang Samsung for screwing it all up yet another time.
Still, I'm happy it CAN work all right, so no more depleted battery when on the road / trip
Thanks for a great suggestion there!
+1
Click to expand...
Click to collapse
Yes. The only way to figure it out is to peel it off, which is not a sensible thing to do anyway.
Glad to be a help.
Sent from my SGS III Mini using XDA

Same trouble here
So i'm having the same trouble with my powerbank, tested with 3 different S3 minis, and all have the same result, also tested my powerbank and cables with another 2 different cellphones (Sony and LG) and worked fine...
Also tried using stock ROM, same result...
When i try to charge with the phone on doesn't work, but if i turn the phone off it works, i made a video showing:
watch?v=99-SdtlV3Fk
(i cannot post youtube videos yet)
Any suggestions?
I'm running maclaw's CyanogenMod 11.0 20140610, there is any LOG to see what happens? where can i access it?