[Q] [3.6] On connect: Screen flickers, then goes black. Bad battery? - Samsung Galaxy Player 4.0, 5.0

As per subject: My son's YP-GS1CB as of lately fails to boot. When I connect it with a cable to a computer, after a while the screen flickers, then the screen goes black. I have seen this Samsung related thread: Screen flickering and phone turning off? READ THIS!. I can't say that the battery bulges, but still, the charging behaviour of the devices has been weird in the past: The first 50% took just a minute or so and the rest took much longer, i.e. the time you would expect for charging. Also, it has been crashing relatively often.
When I connect the device to my computer running Linux, the system log says:
Apr 25 12:49:19 erwin kernel: usb 7-1: new high-speed USB device number 16 using ehci-pci
Apr 25 12:49:19 erwin kernel: usb 7-1: unable to get BOS descriptor
Apr 25 12:49:19 erwin mtp-probe[2164]: checking bus 7, device 16: "/sys/devices/pci0000:00/0000:00:1d.7/usb7/7-1"
Apr 25 12:49:19 erwin mtp-probe[2164]: bus: 7, device: 16 was not an MTP device
So, could replacing the battery be a solution? Just thought I'd ask here before actually ordering one.
Thanks a lot in advance for any comments!

yahya69 said:
As per subject: My son's YP-GS1CB as of lately fails to boot. When I connect it with a cable to a computer, after a while the screen flickers, then the screen goes black. I have seen this Samsung related thread: Screen flickering and phone turning off? READ THIS!. I can't say that the battery bulges, but still, the charging behaviour of the devices has been weird in the past: The first 50% took just a minute or so and the rest took much longer, i.e. the time you would expect for charging. Also, it has been crashing relatively often.
When I connect the device to my computer running Linux, the system log says:
Apr 25 12:49:19 erwin kernel: usb 7-1: new high-speed USB device number 16 using ehci-pci
Apr 25 12:49:19 erwin kernel: usb 7-1: unable to get BOS descriptor
Apr 25 12:49:19 erwin mtp-probe[2164]: checking bus 7, device 16: "/sys/devices/pci0000:00/0000:00:1d.7/usb7/7-1"
Apr 25 12:49:19 erwin mtp-probe[2164]: bus: 7, device: 16 was not an MTP device
So, could replacing the battery be a solution? Just thought I'd ask here before actually ordering one.
Thanks a lot in advance for any comments!
Click to expand...
Click to collapse
I have bad news to tell you, however before i tell it to you i will give a disclaimer. I AM NOT AN EXPERT, I JUST KNOW A BIT ABOUT HOW BATTERIES SHOULD WORK AND HOW THESE DEVICES SHOULD WORK. (In caps just to grab your attention and prove as an effective disclaimer, not meant as yelling.) now that that is out of the way, the bad news i have to give you is that in my opinion, it is not the battery that is your problem. however to fully test this theory try fully charging the battery and test it with a voltmeter. if the meter reads just above spec when the battery is at 100%, then it is the device, if it isnt, try replacing the battery.
also, are you sure that the device is in mtp mode when syncing it with the computer. and if you mean crashing by restarting often, then yeah they do that and it is annoying but i haven't found a solution to fixing that problem.
I hope this info gives you some help and new things to try.
also, that fourm you sited is for a phone, this device is very different. dont expect what you read for one device is true for another.

henk5066 said:
I have bad news to tell you, however before i tell it to you i will give a disclaimer. I AM NOT AN EXPERT, I JUST KNOW A BIT ABOUT HOW BATTERIES SHOULD WORK AND HOW THESE DEVICES SHOULD WORK. (In caps just to grab your attention and prove as an effective disclaimer, not meant as yelling.) now that that is out of the way, the bad news i have to give you is that in my opinion, it is not the battery that is your problem. however to fully test this theory try fully charging the battery and test it with a voltmeter. if the meter reads just above spec when the battery is at 100%, then it is the device, if it isnt, try replacing the battery.
also, are you sure that the device is in mtp mode when syncing it with the computer. and if you mean crashing by restarting often, then yeah they do that and it is annoying but i haven't found a solution to fixing that problem.
I hope this info gives you some help and new things to try.
also, that fourm you sited is for a phone, this device is very different. dont expect what you read for one device is true for another.
Click to expand...
Click to collapse
Thank you for your message. Seems you were right: A replacement battery didn't help, and I had to send the device in for repair, where the mainboard was replaced. I was still within warranty, though, so except from very minor data loss, no harm resulted....

Related

Possible to disable usb charging?

Is it possible to have my phone not charge when I plug it into my PC via USB cable
Sent from my HTC Magic using Tapatalk
I was about to open a new thread regarding this in the same section, yet I noticed this old one idling about with no replies at all, why not restoring it from the dead.
So, like, how to disable automatic phone charging when connected to PC via USB?
I am trying to transition from WM to Android on my HD2, and I am currently checking how smooth it can be, yet this maniacal fixation of android to charge the battery whenever I plug a USB cable just pains me, in WM there's a nice option to "do not charge the battery when I connect the phone to the PC".
I have done my share of searching, both in here and in the mare magnum of google's index, but all the replies I could find in fora around the tubes of the internets were:
1) "Why should you disable that?"
2) "I don't know, try cutting the power line in the USB cable" (??). (btw, that doesn't work as it apparently renders the cable useless for syncing)
3) "Why would you ever want to do that?"
4) "Tethering needs power so it's a good idea not to disable usb charging, just leave it on"
5) "Why ever in the world do you want to ever disable that, like, ever, in everland?"
6) "Use a bluetooth connection for tethering so you won't need the usb cable"
7) "You can't"
8) "blah blah EVER blah EVER EVER blah LEAVE IT ON blah blah did I say EVER already?"
So, why do I want to do that? Because I want to
Did someone find any kind of setting to have android stop charging the battery when I want to plug a USB cable to the PC?
I'm pretty sure it's not something you can change in software since the would phone charge when plugged into a computers USB port. You'd probably need to get your hands dirty and short a connection or two on the phone itself.
Well this is not the reply you are expecting but a solution would be to buy a cable that only syncs and does not charge if you can find one (I have USB cables that only charge or charge & sync but I don't know if USB cables that only sync exist ...).
Usb Charging Commander
goodboynyc said:
I'm pretty sure it's not something you can change in software since the would phone charge when plugged into a computers USB port. You'd probably need to get your hands dirty and short a connection or two on the phone itself.
Click to expand...
Click to collapse
take a look at post#3 in my last link - the guy is talking about Enclair and I can't swear, but I think I also kind of remember it was there
so - it WAS possible. I am not sure why it is not anymore...
ephestione said:
...
1) "Why should you disable that?"
So, why do I want to do that? Because I want to
Click to expand...
Click to collapse
Here is my reason:
I connect the phone to PC and disconnect it 20-30 up to 50x in a day (transfer the data all the time to PC, but have to get out of the office as soon as the phone rings to take the call - or to make one...)
I have heard that the Li-Ion battery don't suffer a "memory effect".
My interpretation of the "mem effect" is that with time, the Li-Ion battery won't provide shorter using time if it is randomly charged (not drained to 5% and then fully charged).
But what about a charging cycles How much can a lifetime stand? 1000, 2000 cycles?
And how do you count a charging cycle:
- connected/disconnected to the charger, or
- charged (in 1, 2, 10 iterations) from 5% to 100%?
In the first case, I really can see a potential of this app...
Or are you saying that I can connect and disconnect the charger for unlimited times?
Math:
30 x 365 = 10950.
Can a Li-Ion battery stand 10000 charging cycles (in a year)?
Plus - take a look at this tread:
http://forum.xda-developers.com/showthread.php?t=334542
This is a Kaiser forum (WM), but there are a few more logical reasons aplicable to android phone, also...
Did someone find any kind of setting to have android stop charging the battery when I want to plug a USB cable to the PC?
Click to expand...
Click to collapse
Take a look here. I just saw this tread, so I didn't test it - yet:
http://android.modaco.com/content/z...n/333406/usb-charging-commander/#entry1717856
Cheers
ephestione said:
I have done my share of searching, both in here and in the mare magnum of google's index, but all the replies I could find in fora around the tubes of the internets were:
1) "Why should you disable that?"
2) "I don't know, try cutting the power line in the USB cable" (??). (btw, that doesn't work as it apparently renders the cable useless for syncing)
3) "Why would you ever want to do that?"
4) "Tethering needs power so it's a good idea not to disable usb charging, just leave it on"
5) "Why ever in the world do you want to ever disable that, like, ever, in everland?"
6) "Use a bluetooth connection for tethering so you won't need the usb cable"
7) "You can't"
8) "blah blah EVER blah EVER EVER blah LEAVE IT ON blah blah did I say EVER already?"
Click to expand...
Click to collapse
Add #9 to your list: What bother when the thing hardly charges at all via USB when being used.
P.S.
ephestione said:
Math:
30 x 365 = 10950.
Can a Li-Ion battery stand 10000 charging cycles (in a year)?
Click to expand...
Click to collapse
Being randomly plugged in for a couple of minutes does not count as a charge cycle. As noted above, the battery will not even notice.
Ok, for a couple of minutes, but I don't take a calls every few minutes...
It's (verry approx.) every 10-15 minutes. Sometimes 3x in 5 minutes, sometimes no call in an hour, but definitly I can see that my phone is charging, and the percentage is changing (up and down).
Is there a word or two somewhere about this toppic - what a charging cycle means for a Li-Ion battery?
Cheers
p0peye said:
Ok, for a couple of minutes, but I don't take a calls every few minutes...
It's (verry approx.) every 10-15 minutes. Sometimes 3x in 5 minutes, sometimes no call in an hour, but definitly I can see that my phone is charging, and the percentage is changing (up and down).
Is there a word or two somewhere about this toppic - what a charging cycle means for a Li-Ion battery?
Cheers
Click to expand...
Click to collapse
Li-Ion batteries actually do better with frequent partial charges/discharges. If you want to maximize your long-term battery life, you'll keep it at 40-60% charge state most of the time. If you know you'll be away from a charger for a long time, then go ahead and bump charge it to 100%, but doing this all the time will shorten the life of the battery. Same with running it down too far. Also, a slower charge rate is better for the battery, so if you don't need a rapid charge, the capped current when charging from USB vs wall charger should be better for your battery. See http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
Don't get me wrong, there are valid reasons to not want to charge your battery when connected to USB, but an irrational fear of frequent short charges is not one of them. Some valid reasons I can think of:
1. Don't want to drain laptop battery.
2. Phone is already hot and don't want charging to get it hotter.
aweaver33 said:
...
If you want to maximize your long-term battery life, you'll keep it at 40-60% charge state most of the time.
...
1. Don't want to drain laptop battery.
2. Phone is already hot and don't want charging to get it hotter.
Click to expand...
Click to collapse
Bingo, we have a winner!
Another reason, which is my case, is that I want the phone to treat USB power as a secondary battery (use it while it's there, and switch to main battery only when it depletes or is unplugged) when it in fact is a secondary batttery (I was going to post a link to the product in question, but forum rules; see DX sku 18883 or any of the portable chargers available anywhere) Has anyone found a way?
A google search on this issue returns a topic on modmymobile.com (search it yourself; forum rules) with this:
You can turn off USB charging from XLR8's seem map
No Bit manipulation just change the value.
004b-0001
offset 207
01 charge via computer USB connection
00 do not charge via computer USB connection
Click to expand...
Click to collapse
Frankly, I have no idea what that means. Is it something I could use on my Blade or is it HW-specific?
Is there a simple way to disable usb charging for Samsung Galaxy Gio and HTC Desire HD? Thanks in advance!
You might give this a try usb-charging-commander - I can not post outside links so you have to search on your own. It's on modaco forum.
Your device got to be rooted
Regards
psajko said:
You might give this a try usb-charging-commander - I can not post outside links so you have to search on your own. It's on modaco forum.
Your device got to be rooted
Regards
Click to expand...
Click to collapse
Thanks for the tip. Sadly, it doesn't just disable charging, it cuts off USB power completely (the phone runs on battery). Better than nothing I guess.
The USBChargingCommander application was promising, too bad on my Galaxy S2 it does nothing even after a reboot
ephestione said:
too bad on my Galaxy S2 it does nothing
Click to expand...
Click to collapse
This should come as a surprise to no one who's looked at the code> https___github.com_t0mm13b/UsbChargeCommander/UsbChargeCommander.java (replace underscores with colon-slash-slash and slash). It simply performs
Code:
write /sys/module/msm_battery/parameters/usb_chg_enable 0/1
as root. msm_battery is a chipset-specific driver, and since GS2 uses a different chipset, this app cannot work on it. If however, you or someone savvy with a GS2 can search the sysfs interface and find a parameter which controls USB charging, getting the app to work on GS2 should be a breeze for tommie (or anyone with ADK, since tommie made the code available ).
Of course, there's no guarantee such a parameter exists, in which case there's not much you can do.
USBChargingCommander don't work on my Desire HD
The path is: /sys/module/htc_battery/parameters/
But in this folder there is only: debug_mask
How can i make it work?
Edit
Found another path: /sys/power/
There are the files state (value "mem") and state_onchg (value "chgon")
Maybe this can help..
Isn't USB charging an option under ##data# ?
Nothing found...
just /data/d/htc_battery/charget_state
Hi there,
I want to push this thread back up.
perhaps someone has now found a solution to the problem.
i like the cable only for transfer and tethering, but not to charge from my laptop.
the battery is draining too fast then.
and i didn´t found an only transfer usb cable,without charging.
thx alot
hi all,
I'm interested too. Any clue on how to do this on HTC wildfire? I've already checked all the folders you guys suggested without success.
Also checked the arco68's kernel source code and found some entry points . I asked to arco and he confirmed that would be possible to implement the feature recompiling the kernel...I've never did it. any kernel dev out there interested?
cheers
ste
Use recovery
Connect USB In a recovery like CWM. There is option to do that in mounts and Storage-Mount USB storage.
HOPE I HELPED!!!

Charging suspended. Voltage too high

Hi!
I know that are simillar threads about this, but none of them have the answer to my problem. I read them all.
As many others, my Galaxy S 2 started to give that error after the upgrade to ICS (in my case, I did it because my phone sent me the "alert" directly, not because I tried to upgrade it through Odin or similar).
My problem now is that the phone is not even detected by my computer in Download Mode, If I remove the battery for 10 minutes and add it again, it does show like if the battery ran out of charge and does not start, if I plug it to the wall charger then show as charging and then can start it, but the "charging suspended voltage too high" message show every 20 seconds.
I tried to clean the usb with a toothbrush, tried also with the "knife method" but nothing of that helps. I would like to even downgrade the OS to a 3.x version, but can't make the computer recognize the phone in Download Mode. Any help would be appreciated.
I drove myself mad chasing this one a couple of weeks ago, it does indeed seem to be a problem with the connection between the USB plug and the phones mainboard.
I did find a post by a Samsung engineer in which he claimed it was a common problem and that he was seeing 3 or 4 a day.
I was lucky in that mine was solved by gently pushing the male internal connector gently forwards (upwards if the phone is on its back)
If you think logically, a usb/mainboard connection problem does make sense, in as much as there are so many differing symptoms and the claimed successes by cleaning, I would guess in these instances, the cleaning has in fact, simply moved the connector back into position.
This is a pretty poor show for Sammy, there seem to be more and more S2's failing in this way as time goes on, my own phone has only ever been charged in the Samsung dock, and still fell foul of it!
I would give repositioning the connector another try, pull the battery and use a wooden toothpick or similar, I used a fruit knife, but wouldn't recommend it. If you cant get it back in shape, I'm afraid you will have to send it back to Samsung
R
JorgeC said:
Hi!
I know that are simillar threads about this, but none of them have the answer to my problem. I read them all.
As many others, my Galaxy S 2 started to give that error after the upgrade to ICS (in my case, I did it because my phone sent me the "alert" directly, not because I tried to upgrade it through Odin or similar).
My problem now is that the phone is not even detected by my computer in Download Mode, If I remove the battery for 10 minutes and add it again, it does show like if the battery ran out of charge and does not start, if I plug it to the wall charger then show as charging and then can start it, but the "charging suspended voltage too high" message show every 20 seconds.
I tried to clean the usb with a toothbrush, tried also with the "knife method" but nothing of that helps. I would like to even downgrade the OS to a 3.x version, but can't make the computer recognize the phone in Download Mode. Any help would be appreciated.
Click to expand...
Click to collapse
1. if you have warranty and not used odin, better take it to the samsung service center.
or
2. try to get a full charge battery from your friend and finish your job in dwnl mode using odin
or
3. try usb jig method to reset and start your mobile in recovery/dwnl mode.. you can search the forum on this and there are lots of posts reg this.
explains the randomness
If the connector moves its presumably broken connection with motherboard. Wonder if a teeny drop of superglue.....
Its odd how its become a feature after ICS but I suppose if its an age/ wear and tear thing that works too. Mine is drvibg me nuts too
Not solved with Stock ROM
Im also having the same problem . Not able to fix it. But if u want to connect to PC , just connect ur phone to PC and restart the phone. Then the drivers will installed and it will detected . Now u can flash it using ODIN . I tried updaing through the Kies with latest version of ICS patch , now the warning mesasge is not coming , but the battery icon blinks every second and if i check the status it shows NOT CHARGING instead of DISCHARGING

[Q] Charger issue, constant rebooting, battery drain. Virus or hardware issue?

Hello everyone!
I'm having a very strange issue since a week or so. I've been googling all over the place for this problem, but can't find someone with similar issues except for the battery drain.
First thing I noticed was that when I connected the phone to the charger, it took about 15 seconds before the phone realized it was connected. It still charges at the same speed as before. It's the same thing when I pull the charger out, it still believes it's charging for another 15 seconds or so. Sometimes longer. Initially I thought this was due to physical damage in that area, but now I'm not so sure anymore.
Now when I turn off the phone, it automatically restarts. The only way to turn it off is by taking out the battery. Sometimes, when I turn it off, it displays an android icon and the text "Downloading..." below it. The phone gets pretty hot and eats battery very fast if left alone. Could this be a virus?
Around the same time period I got a battery problem, If I make a guess I'd say the phone doesn't even last half as long as before. In sleep mode it barely lost any battery whatsoever, but now it just drains a lot. The phone blames it on standby mode, but I read that it could actually be caused by background apps. I don't use Wi-Fi.
So this is what I tried so far. I deleted all apps around the time the issues started, but it didn't help. I also used the autorun manager to disable all the processes I didn't need / didn't recognize. I tried all the antivirus/anti-adware etc I could find, but they didn't find anything.
I'm not sure what's relevant so I'll post kernel/build here.
GT-I9300 bought in Hong Kong in July, Android 4.0.4. My phone is not rooted, no flashing.
Kernel:
3.0.15-570657-user
[email protected] #1
SMP PREEMPT Tue Jul 10 22:39:22 KST
Build Number:
IMM76D.I9300ZSALG3
Is this a hardware issue or a virus?
Have you tried restoring the phone to factory settings?
alexx- said:
Hello everyone!
First thing I noticed was that when I connected the phone to the charger, it took about 15 seconds before the phone realized it was connected.
Not a problem
Back up data and factory reset as first solution .
Its not a virus .
jje
Click to expand...
Click to collapse

Kindle Fire HDX 7 No boot/screen/power

Ok, so I've crawled everywhere for the last few days to try and see if anybody else has had this issue, but alas, nobody has.
So my device was purchased in Nov 2013, out of warrany. No luck there with a replacement.
Last week I was watching a show, low battery, it powered down. No biggie, just plug it in and let it charge. But it refused to do anything at all, even after charging for 24 hours. No power, no screen, nothing. Held the power button. Nothing. No noise, no lights, nothing.
Contacted Tech Support and they sent me one of their 9w chargers and said to try that. Got it, plugged it in overnight, again, nothing. Held the power button for 40 seconds, nothing. Tried it while plugged in, nothing.
Contacted Tech Support again and they said nothing they can do other than offer me $20 off a new device. No thanks.
I plugged the unit into my desktop and it blooped that a new device was connected, and in the device manager I have the "QHSUSB_BULK" device. This is a totally stock, nothing new, not even developer options enabled (when it had power)
Is there anything to be done with the device at this point?
Again, no power, no screen, no lights, nothing.
Unresponsive.
Help?
w34513 said:
...
Is there anything to be done with the device at this point?
Click to expand...
Click to collapse
Probably not, sorry.
There is a reason why Android in general pops up request about battery charging 2 times before it shutdown itself. One is about ideal state for charging modern Li-ion battery , which is around 10 - 15 % its capacity, second is about a minimal safe level for Li-ion battery, which is cca 5%, and under this (believe or not) some bad things can happen, including internal storage media corruption while writing something and not enough juice left in the process of shutdown for finishing it...
I don't know for real what happened in your case, but I have seen this type of posts about android shutdown because of no juice left in battery and after charging device was dead in other forums for some other devices...
My first tablet was Asus Transformer tf101, which had extra battery in the keyboard, and manual clearly stated, that its capacity must not drop under 3%, otherwise it can't be recharged properly and must be replaced...
So IMO people risks every time when they ignore this request for charging battery, and I must admit I too let my Apollo shutdown 2 times in last 2 weeks because I was too lazy to connect it to charger... but after this post I will definitely rethink next time...
w34513 said:
Ok, so I've crawled everywhere for the last few days to try and see if anybody else has had this issue, but alas, nobody has.
So my device was purchased in Nov 2013, out of warrany. No luck there with a replacement.
Last week I was watching a show, low battery, it powered down. No biggie, just plug it in and let it charge. But it refused to do anything at all, even after charging for 24 hours. No power, no screen, nothing. Held the power button. Nothing. No noise, no lights, nothing.
Contacted Tech Support and they sent me one of their 9w chargers and said to try that. Got it, plugged it in overnight, again, nothing. Held the power button for 40 seconds, nothing. Tried it while plugged in, nothing.
Contacted Tech Support again and they said nothing they can do other than offer me $20 off a new device. No thanks.
I plugged the unit into my desktop and it blooped that a new device was connected, and in the device manager I have the "QHSUSB_BULK" device. This is a totally stock, nothing new, not even developer options enabled (when it had power)
Is there anything to be done with the device at this point?
Again, no power, no screen, no lights, nothing.
Unresponsive.
Help?
Click to expand...
Click to collapse
Sounds like you have done your homework. Unfortunately, gut tells me you have a defective hw component. Could be the battery, regulator or some other power circuit. If you have a USB3 port (and cable) try plugging into that for awhile. It might just put enough charge on the battery to permit some type of response combined with the higher power output of a USB3 port. In my experience a USB2 port does not provide enough juice to power high draw devices with a crippled battery. It's a long shot a best but if you can get a response and diagnostics confirm it's the battery you could consider replacing that (no easy task) to recover your device.
Another option is to snag an inexpensive USB current meter (examples here and here) to see if the device is actually drawing power while on charge. If the reading is close to zero you likely have a charge circuit problem which can't be easily remedied. A bad battery would still draw some current...just wouldn't hold a charge. Note these gizmos can also be used to identify a bad cable, bad charger or combination of the two for virtually any USB device. You'd be amazed how many crappy cables are out there that severely restrict charge rates. But that's another matter ...
Sorry I couldn't provide a more optimistic response.
So maybe try replacing the battery?
ifixit says they're kinda hard to replace, but for $50 off Amazon it might be worth it vs the $150 they quoted me for a replacement tablet.
I've had a few devices shut down on me like this (I try my hardest not to, but we all fail sometimes) and I've just never run into this issue before.
Davey126 said:
Sorry I couldn't provide a more optimistic response.
Click to expand...
Click to collapse
Thanks for the reply. Like I said above, I charged it with their charger, 3 of my own, my USB 3.0 port on my desktop, all with multiple cords. So no luck there. I've kind of been figured it's just EOL for this thing unfortunately and I just don't think I'm gonna bother with it at this point. USB on the desktop recognizes it, but nothing further.
Time to mount it on the wall I guess lol. Thanks for all the responses and confirming what I suspected, it helps to know that others think that my conclusion wasn't premature.

SM-T825 not charging, battery probably ok, errors in recovery mode.

I'm wondering whether it's somehow not getting the readings back from the battery.
I'd be surprised if the battery has just gone as it was pretty good before.
Symptons:
When 'off' it will recognise the connected usb ok. The 0% battery animation will show but it won't increase.
It's stuck in a boot loop, it will sometimes get as far as login screen before turning off (as if battery has depleted).
For a while I was trying to run out the battery to see if that would do it. Turned it on/ off 50+ times, which I wouldn't have been able to do if it was truly at 0%. Seemed to suggest it had more battery than was being detected (?)
Some possible erros in recovery mode, photo attached.
Have Tried:
Numerous charger/ cable combinations
Resetting it and can sometimes get as far as the initial setup but same reboot cycle.
Any suggestions on next steps please or meaning of those errors.
In my head - reload software from odin. Open and check the cables. Possibly replace daugherboard but would love to know how to diagnose if that's necessary.
Thanks for looking
Replace battery. Replace C port pcb if that fails.
Otherwise likely a mobo failure.
If the battery can't sink enough current the device will not boot or will reset randomly even with charger connected.
Finally got round to this and a new battery seems to have solved it so thank you for the confidence boost
beardedfool said:
Finally got round to this and a new battery seems to have solved it so thank you for the confidence boost
Click to expand...
Click to collapse
Yay! You're welcome.
On a heavily used device the battery may only last a year or two.
This N10+ had it's battery replaced last April and it's just about time to do it again. Part of regular maintenance, not a big deal.

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