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Nook Color heat problem


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Showing 1-23 of 23 posts in this discussion
Initial post: Feb 24, 2011 6:32:46 PM PST
Terryp says:
I haven't seen any comments here, or on Bufo's ILMK blog, on the story that aired on KING 5 TV in Seattle the other night. A Nook Color owner had an overheating problem while charging their device. The story showed the charging connector had melted a hole through the family's couch. They notified B&N and KING 5. The reporter commended B&N for sending the family a check for $3000 for a new couch. (I'm sure it had nothing to do with the fact that the story would be aired.) I wonder how big the check would have been if the house had burned down. I noticed that the charger was much bigger than the Kindle's, (which runs cold).

Posted on Feb 24, 2011 6:41:34 PM PST
Bufo Calvin says:
Thanks, Terryp!

I actually hadn't seen that one. I'll have to check to see if they still have the video.

The interesting thing is that, back in December, the story was going around that if you hacked a NOOKColor to open it for other Android apps, it could cause overheating or even explosion.

I wonder if someone in the family rooted it, even if no one else in the family knew it?

Odd that B&N paid the money given that as a possibility, though...maybe they wouldn't want people to know that hacking is possible?

Bufo Calvin
Amazon Author Central page:
http://www.amazon.com/-/e/B002E0NBIW

In reply to an earlier post on Feb 24, 2011 7:10:48 PM PST
Terryp says:
Here's a link to the video: http://www.king5.com/news/get-jesse/Nook-reader-charger-overheats-116625458.html

Posted on Feb 25, 2011 1:06:41 AM PST
Well good for B&N -- we usually watch King 5 news after our own local, but didn't that night. Quite a precedent they set, though! They'd better not have any more burnt chargers....

In reply to an earlier post on Feb 25, 2011 5:19:21 AM PST
She had her charging Nook on a fabric couch with a fabric cusion on top of it... and was suprised that it overheated... god the stupidity of people sometimes amaze me. And on top of that the news says that B&N doesn't know why it happened???? Seriously????

OH.. and Bufo. Unless the Nook she was using in the video was a different one, it didn't look rooted. It still had the normal NookColor standby and main screens. From what I have seen of rooted Nooks they have normal Android screens. BUt I've only seen a couple so not sure.

Posted on Feb 25, 2011 5:27:44 AM PST
Last edited by the author on Feb 25, 2011 5:28:16 AM PST
I'm sure this is a dumb question, as I have no technical know-how, but... how could rooting or hacking cause overheating? Wouldn't overheating result from a physical problem with the device, rather than the apps running on it? Does rooting involve doing something physical to the device?

I'm not trying to be snotty; I'm genuinely curious about this.

In reply to an earlier post on Feb 25, 2011 5:29:53 AM PST
While it's great that in the end, the customer was taken care of, it still took phone calls from Jesse Jones, KING 5 to get B&N to take care of the problem. I agree that the customer never would have received a check had it not been for KING 5 getting involved.

Kindler

In reply to an earlier post on Feb 25, 2011 5:38:43 AM PST
Last edited by the author on Feb 25, 2011 5:40:06 AM PST
Ellen Fisher says: "I'm sure this is a dumb question, as I have no technical know-how, but... how could rooting or hacking cause overheating? Wouldn't overheating result from a physical problem with the device, rather than the apps running on it? Does rooting involve doing something physical to the device?"

That isn't a dumb question, it's a very good question. LiIon batteries will overheat and potentially explode if they charge for too long, or get too hot while charging. Whatever charging software is used has to make sure to stop charging once it reaches around 90-96% capacity, a set amount of time has passed (4 hrs), or the temperature gets too hot. Sometimes the charging software is contained in the battery and sometimes in the device doing the charging. If the Nook software contains the charging software, or at least the overcharging protection, then rooting it will eliminate the protections and allow the battery to overheat.

As for the Nook... I don't know if the Nook contains that protection SW or if it is contained in the battery itself. I would suspect it's in the battery, which would mean rooting the Nook wouldn't cause overheating like that.

In reply to an earlier post on Feb 25, 2011 5:40:02 AM PST
I see, Thomas. Thanks for the explanation:-).

Posted on Feb 25, 2011 6:12:34 AM PST
Bufo Calvin says:
Ellen, that's definitely not a dumb question...still never heard one, honestly asked.

Thomas has it right. It was only a rumor, as far as I've seen, but the basic idea was that there is a protection in the normal NOOK operating system that will shut off the device if it realizes the battery is overheating. Overriding the operating system supposedly also overrode that protection.

Let's say that a company made a really cool car, but they also built a limiter in it so that it would not drive faster than sixty-five. As you got close to sixty-five, you'd start getting a warning ("You are approaching the maximum speed allowed!"). It's not allowed to stop the car from accelerating without giving you that warning first.

So, you figure out how to get inside the dashboard and turn off that warning.

You look at the gas guage, and that seems to work, and the speedometer seems to work, so you think you are okay.

Unfortunately, it also turns off that temperature warning guage that lets you know when the engine is running too hot (or is still cold in the morning). As a result, you drive the car too far when it is hot and the first sign you get is the steam coming from under the hood.

I'm not a car person at all, by the way, but I hope that analogy helps.

Terryp, thanks for the link! I've now watched the video. Wow, does it seem skewed. This could easily have been a story about how bad the Barnes & Noble Customer Service is. She called six or seven times, and couldn't get a call back. It takes a television consumer advocate to call to get them to even send a replacement charger. Yes, they also send a check to cover the cost of the couch...which their product, apparently used properly (although it was plugged into a cheap extension cord...but that should be okay) ruined. That's not great service...it's what she was owed.

I've had to call Kindle Customer Service when my Kindle failed (without any damage to my house or furniture) and had a replacement in a day or so.

When I say skewed, I mean towards the job the consumer advocate did. They really played up the value of the NOOK, I think to make it seem like what the consumer advocate did was more significant. It was significant, surely, and I don't see anything wrong with them making it seem as important as they can. They kept saying how much she loves the NOOK. I don't think B&N had anything to do with them saying that...again, I think it is the station wanting to make it look as good as they can.

I'm going to spread this further, along with a couple of other B&N stories (not bad ones, by the way). I'll credit you...thanks for the heads-up!

Bufo Calvin
Amazon Author Central page:
http://www.amazon.com/-/e/B002E0NBIW

Posted on Feb 25, 2011 6:17:29 AM PST
Thank you for the analogy, Bufo. I am definitely not the technical sort, so the idea that hacking could make the Nook more likely to overheat left me puzzled. But I understand now. Thanks!

Posted on Feb 25, 2011 7:00:25 AM PST
John Newton says:
The melted part was where the usb cable plugs into Nook. My guess is the plug was defective and there was some kind of short or something. I've never noticed any heat at all while charging mine. The plug is a odd variation on a normal usb plug though and it is a bit finicky.

Posted on Feb 25, 2011 7:04:36 AM PST
StillPooh says:
Couldn't the defect have been in the home's wiring, rather than in the Nook or its power cord?

My husband's Nook doesn't get hot while it charges.

Posted on Feb 25, 2011 7:13:58 AM PST
John Newton says:
One other thought, putting stress on plugs is not a great idea, if it was on the couch under a pillow and you sat on it I can't imagine it would be very kind to the plug.

I would guess if the home wiring had an issue it would probably have affected the brick end that plugs into the wall. I'd also guess this is a one off odd event since it's the only instance I've heard of. Now if we started hearing numerous reports of the same thing then maybe it would be a design issue.

Posted on Feb 25, 2011 7:35:34 AM PST
Last edited by the author on Feb 25, 2011 8:25:37 AM PST
Neaklaus says:
I think B&N was being very smart to give the family a check even though KING 5 had to "Talk" them into it. Now I suppose B&N will have to put a warning listing in their manual "Do not plug the charger into an extension cord" or something like that.

In reply to an earlier post on Feb 25, 2011 7:40:58 AM PST
Jazzy_Jeff says:
Just put in a warning "If you are a stupid person do not buy. If you don't know then ask someone". :)

In reply to an earlier post on Aug 11, 2013 5:33:51 PM PDT
Randy W. says:
My problem is a little bit different. I'm currently on my second Nook Color. The first one overheated and fried the battery in standby mode. Wasn't on the charger either. The unit I have now starts to get hot whenever I watch any videos, or any net surfing over twenty minutes. I've given up trying to figure this out. So now I just check the bottom right corner. If it starts getting too hot, I go to standby and let it cool down. Doesn't do it playing games or reading books. Only videos and net surfing cause the heating problems. Anyone know why?

e heatung

Posted on Aug 11, 2013 5:52:35 PM PDT
A. Sisk says:
1. the thread you resurrected is 2 1/2 years old
2. Don't you think you'd have better luck on a NOOK/B&N discussion board??

In reply to an earlier post on Aug 11, 2013 8:36:51 PM PDT
Why don't you go to the nearest Borders store and ask them?

Posted on Aug 11, 2013 9:25:54 PM PDT
Lynn says:
Will one of the kindle apps work to read kindle books on the nook hd+? I am frustrated that I can not buy bloops from Amazon.

In reply to an earlier post on Aug 11, 2013 9:43:48 PM PDT
A. Dietz says:
Lynn said: I am frustrated that I can not buy bloops from Amazon.

bloops?

Anyway, you have access to Google Play on your Nook HD+, right? Just download the Kindle reading app and you can buy all the bloops you want from Amazon.

In reply to an earlier post on Aug 11, 2013 9:44:02 PM PDT
King Al says:
Yes -- the app is available on the Google Play store.

In reply to an earlier post on Aug 11, 2013 9:45:16 PM PDT
Lynn, yes. If you have google play on your device and get the kindle app from the google play store you can get it to work on the nook.
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Discussion in:  Kindle forum
Participants:  17
Total posts:  23
Initial post:  Feb 24, 2011
Latest post:  Aug 11, 2013

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