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Old January 13th, 2013, 04:43 AM   #1 (permalink)
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Default HP Touchpad Not Charging.

Hello guys,
I'm new here at the HP Touchpad Section but not new here in Android Forums.

I am running CM7 on our HP Touchpad and my little brother has been fiddling with it(downloading many apps from the playstore using my personal account, thus forcing me to create a new google account/other shiz).

Then one time, the screen kept turning on and off without us even touching it. Our guess was it was dust on the screen which is being registered as touch.

After a week or so that that was happening, the touchpad ran out of battery and was not charged right away.

The result, it won't charge anymore.

Is there anyway to open the device and shock the battery? It may be a dead battery just like what happened to my sister's iPhone.

I've also been reading some charging issues with CM7 and CM9 and tried some of their troubleshooting methods but non worked.

If I just get a little juice to boot it, I would reboot back to webOS as fast as I can and uninstall CM7.

Thanks in advance,
Raphael

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Old January 13th, 2013, 08:36 AM   #2 (permalink)
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You NEVER want to run a Touchpad's battery dead. They don't always make it back easily.

There are a number of threads on Rootzwiki for dead Touchpads. Holding down the power and home buttons for over 30 seconds and making sure you have a good usb cable and the stock charger is a must. Some times it takes most of a day to charge a dead Touchpad. <-- this is the first thing to try.

My wife ran her's dead once and luckily it started up again after an hour of charging. Last time I checked it was at 6% so I averted the problem again. The next build of CM10 will automatically power off at 3%.

Some people have to do this to bring them back to life: TPDebrick v0.1 - HP Touchpad - RootzWiki You might find some hints to get it to power up there too.
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Old January 14th, 2013, 03:26 AM   #3 (permalink)
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Thanks for the reply, colchiro. Will try that on the weekends since I am very busy with school works.
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Old January 16th, 2013, 04:21 AM   #4 (permalink)
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Already sorted it out the other night/morning.

http://forum.xda-developers.com/showthread.php?p=36653522#post36653522
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Old January 16th, 2013, 06:38 AM   #5 (permalink)
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Glad you got it working. What does this mean?
Quote:
After 2 hours or so, use that charger for the HPTP to charge the touchpad from a used/electrified wire.
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Old January 16th, 2013, 06:49 AM   #6 (permalink)
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I just read it from the article I read.

I guess it means that the cord I am using should be used for a period of time so that I will be using a wire that electricity just traveled so the wire is a little bit juiced up.
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Old January 16th, 2013, 10:03 AM   #7 (permalink)
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I found that the charging connection on my Touchpad is not real good at times. Need to watch the charging icon to make sure the Touchpad is charging. If I don't do that, then sometimes the tablet will go to zero charge and then it becomes a real challenge to get it going again. Also, found that switching to WebOS when charging or when shutting down if the tablet charge is 20% or less seems to be a good idea. Less chance of the tablet having loss of charge or not able to charge issues when I do this. Bit of an issue to switch back and forth between operating systems but not too bad. Recently, while on vacation, I did not notice that the charging connection was not working and the tablet would not do anything the next day. Took quite a while to get it going again.
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Old January 16th, 2013, 02:58 PM   #8 (permalink)
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Quote:
Originally Posted by SCPadgeebar View Post
I just read it from the article I read.

I guess it means that the cord I am using should be used for a period of time so that I will be using a wire that electricity just traveled so the wire is a little bit juiced up.
There is no such thing as juicing up a piece of wire with electricity. What that guy wrote in that thread is totally bogus. What happened to him was totally coincidence and had nothing to do with switching two usb cables between two different chargers.
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Old January 16th, 2013, 03:00 PM   #9 (permalink)
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Quote:
Originally Posted by Galtha58 View Post
I found that the charging connection on my Touchpad is not real good at times. Need to watch the charging icon to make sure the Touchpad is charging. If I don't do that, then sometimes the tablet will go to zero charge and then it becomes a real challenge to get it going again. Also, found that switching to WebOS when charging or when shutting down if the tablet charge is 20% or less seems to be a good idea. Less chance of the tablet having loss of charge or not able to charge issues when I do this. Bit of an issue to switch back and forth between operating systems but not too bad. Recently, while on vacation, I did not notice that the charging connection was not working and the tablet would not do anything the next day. Took quite a while to get it going again.
Have you tried a different usb cable to make sure it is not your cable. HP usb cables are notoriously flimsy.
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Old January 16th, 2013, 03:24 PM   #10 (permalink)
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This app (by the same guy who is developing our CM roms) will tell you if you're charging or not: Goo.im Downloads - Downloading TPChargeTest-v1.0.apk

I use my TP usb cable and charger all the time, for multiple devices, and have never had an issue with it, however, if you bend it a lot, like tucking the cable under the tablet, making a 180 bend, or yank it out of the device a lot, it will fail.
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Old August 2nd, 2013, 08:56 AM   #11 (permalink)
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my hp touchpad tab is always showing use reliable charger and doesn't charge so what is the way to charge it again ....?
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Old August 2nd, 2013, 11:14 AM   #12 (permalink)
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Are you using the stock, round-barrel charger?
Are you using the stock cable with the round silver disk on the charger end?

If no, there you go.
If yes, then maybe you've ruined your USB cable and need to try other ones.
Plugging it into your computer won't charge it reliably.
Install this TP app to see what you are getting for charging: Goo.im Downloads - Downloading TPChargeTest-v1.0.apk
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Old August 8th, 2013, 11:56 AM   #13 (permalink)
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The most convenient, and the method which avoids cycling the connector is the TouchStone Inductive Charging Station. You know you are charging when the battery indicator in the status area shows animation.
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Old August 8th, 2013, 01:24 PM   #14 (permalink)
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Quote:
Originally Posted by colchiro View Post
You NEVER want to run a Touchpad's battery dead. They don't always make it back easily.

There are a number of threads on Rootzwiki for dead Touchpads. Holding down the power and home buttons for over 30 seconds and making sure you have a good usb cable and the stock charger is a must. Some times it takes most of a day to charge a dead Touchpad. <-- this is the first thing to try.

My wife ran her's dead once and luckily it started up again after an hour of charging. Last time I checked it was at 6% so I averted the problem again. The next build of CM10 will automatically power off at 3%.

Some people have to do this to bring them back to life: TPDebrick v0.1 - HP Touchpad - RootzWiki You might find some hints to get it to power up there too.
Yes you are right, but, if the Touchpad won't boot up from the dead battery or it's stuck on the red charging logo, let the tablet rest for 15-20 min, or until the backside is cool again. For some reason it won't charge when dead and hot... weird. :P
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Old August 8th, 2013, 03:25 PM   #15 (permalink)
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Originally Posted by stef7 View Post
The most convenient, and the method which avoids cycling the connector is the TouchStone Inductive Charging Station. You know you are charging when the battery indicator in the status area shows animation.
Just be very careful when using a TouchStone. I have seen way too many folks say they verified their TouchPad was charging when they went to bed and woke up in the morning and it was dead and in many cases, bricked. Some got lucky and were able to use J.C. Sullin's Debricking scripts to bring them back to life, some were not so lucky. Lithium battery do not like to be drained to zero. It damages them every time one does that. And if you are the lucky owner of a TouchPad that bricks when the battery is allowed to drain to zero, you get the double whammy!!! Personally, I would not trust charging for long periods of time using a TouchStone and to be doubly safe, boot to WebOS if you do.
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Old August 8th, 2013, 03:48 PM   #16 (permalink)
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Just be very careful when using a TouchStone. I have seen way too many folks say they verified their TouchPad was charging when they went to bed and woke up in the morning and it was dead and in many cases, bricked................ to be doubly safe, boot to WebOS if you do.
The same thing is said about using the wall charger. It's the system not the type of charger. It has never happened to me with the Touchstone, but has happened on several occasions with the wall unit on different Touchpads.

The latter part of you post is the best advice as it seems to only/mostly happen when booted to Android. Although with 10.1 I have not had it happen yet, so possibly it has been fixed.
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Old August 8th, 2013, 04:02 PM   #17 (permalink)
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Originally Posted by Rabid1 View Post
The same thing is said about using the wall charger. It's the system not the type of charger. It has never happened to me with the Touchstone, but has happened on several occasions with the wall unit on different Touchpads.

The latter part of you post is the best advice as it seems to only/mostly happen when booted to Android. Although with 10.1 I have not had it happen yet, so possibly it has been fixed.
The only issue I have had with the wall charger in two years using two TouchPads is the removable end cap went bad and I got a replacement cap from HP. I've lost count on the number of folks who have posted about the TouchStone "fooling" them into believing their TP was charging, when in fact it was not or at some point during a charge it stopped. Sorry, I don't trust them! It could very well could be something in the Android code, I don't remember anyone posting they had that problem using WebOS.
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Old August 9th, 2013, 03:48 PM   #18 (permalink)
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The geometry and case designs are such that it's possible the TP slips out of position after you've placed it on the Touchstone. Initially it's charging, and then it isn't.

But I just don't want to cycle that power connector unless it's necessary.

So nice to just lie it on the Stone and go.
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Old August 9th, 2013, 03:50 PM   #19 (permalink)
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Get a shutdown app and leave a shortcut on the desktop. Then you can shutdown without using the button.
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Old August 12th, 2013, 02:50 AM   #20 (permalink)
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@colchiro and whomever can help

OK, got a completely dead CM10 Touchpad. Tried all the various options to get it going again, i.e every combination of button pressing for 30 sec, tried different USB/charging cables, tried using the USB from PC to trickle charge (which previously worked btw), tried reverting to the touchstone, tried leaving it for 3 weeks and trying again. Nothing. Still dead.

So is this a case of a totally trashed battery, or will the TPDebrick option linked above likely work.
On the subject of the TPDebrick utility, obviously it comes with the standard 'you may brick your device' caviat warnings, but in reality, is it likely to be my best option here? What would you do??

Cheers

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Old August 12th, 2013, 05:32 AM   #21 (permalink)
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If power + home for 40 seconds didn't cut it, then debrick is your only option. I've done it before when I picked up a TP on fleeBay that wouldn't boot. Fixed it on first try.
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Old August 12th, 2013, 05:51 AM   #22 (permalink)
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Quote:
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If power + home for 40 seconds didn't cut it, then debrick is your only option. I've done it before when I picked up a TP on fleeBay that wouldn't boot. Fixed it on first try.
Thanks for this.
What state does the TPDebrick leave your Touchpad in?? CM10? or back to WebOS.
I'm CM10/WebOS dual boot at the moment (or rather was).

Cheers

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Old August 12th, 2013, 11:01 AM   #23 (permalink)
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Quote:
Originally Posted by meggiedude View Post
Thanks for this.
What state does the TPDebrick leave your Touchpad in?? CM10? or back to WebOS.
I'm CM10/WebOS dual boot at the moment (or rather was).

Cheers

MD
Don't worry, it keeps your CM version, and in automatically boot into it once you are finished.
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Old August 12th, 2013, 03:23 PM   #24 (permalink)
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Quote:
Originally Posted by meggiedude View Post
Thanks for this.
What state does the TPDebrick leave your Touchpad in?? CM10? or back to WebOS.
I'm CM10/WebOS dual boot at the moment (or rather was).

Cheers

MD
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Don't worry, it keeps your CM version, and in automatically boot into it once you are finished.
There is a good change that your battery charge state if very low. Once Debricking finishes, your TouchPad may need to sit on the wall charger for a while, but one the battery reaches a safe state, they TP will boot up and like MD said, it will boot to CM10. So be patient and let things take their course.
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Old August 12th, 2013, 04:31 PM   #25 (permalink)
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It boots into the same rom it always did when you turned it on. For 99% of us, it would be CM, but some people change it to be webOS to prevent bricking from a low battery.

You will want to use your stock charger (the cylindrically-shaped one) and the stock cable with the silver disk on the tablet end when it's done (assuming both are in good condition).
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Old August 13th, 2013, 07:09 PM   #26 (permalink)
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It boots into the same rom it always did when you turned it on. For 99% of us, it would be CM, but some people change it to be webOS to prevent bricking from a low battery.

You will want to use your stock charger (the cylindrically-shaped one) and the stock cable with the silver disk on the tablet end when it's done (assuming both are in good condition).
You must of got a different stock cable than I got, mine has a silver disk on both ends.
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Old August 13th, 2013, 09:41 PM   #27 (permalink)
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Dang! You are correct.
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Old August 14th, 2013, 09:49 AM   #28 (permalink)
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Can you post a photo of it please?
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Old August 14th, 2013, 11:46 AM   #29 (permalink)
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Of what, a USB cable?
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Old August 14th, 2013, 03:29 PM   #30 (permalink)
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Yeah I want to see your different stock cable.
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Old August 14th, 2013, 03:41 PM   #31 (permalink)
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We both have stock cables with a round, silver disc on both connectors of the usb cable.

I thought it was on one end, but NT corrected me in saying it's on both ends. If you have the original cable, you have the same thing. Nothing new here.



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Old August 16th, 2013, 10:05 AM   #32 (permalink)
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This guy must be from Missouri!
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Old August 16th, 2013, 12:57 PM   #33 (permalink)
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...that was funny...

FWIW, and in defense of faeq00, infact, I believe, there were distributions of OEM chargers and cables where the cables did not have round silver discs on both ends...

I am an owner of such a charger and cable, and I'd take a picture of it if you guys really needed to see it. No disc on either end.
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Old August 16th, 2013, 03:57 PM   #34 (permalink)
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Between my two TP's and two spare chargers I got when HP blew them out for $5 each, and a dozen or so friends who own TP's, I've never seen one that did not have the silver disk on both ends to indicate proper orientation of the plug.

Maybe our friend from Missouri would like to see a picture.
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Old August 16th, 2013, 04:41 PM   #35 (permalink)
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I picked up two TP, one 32 gb, the other 16 gb and paid close to $500 for the pair (no fire sale for me), because I was a late adopter and want to upgrade from the 7" Nook Colors we both had. The 3 "bricked" 32 gb tablets I picked up did not have chargers so I picked up several on fleeBay for about $8 each (I think). AFAIK, all of them have the disk on both ends, but I still have 3 boxes I did not open. Oh yeah, I think I still have at lease one touchstone charger still in the box.
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Old August 17th, 2013, 05:32 AM   #36 (permalink)
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There is a good change that your battery charge state if very low. Once Debricking finishes, your TouchPad may need to sit on the wall charger for a while, but one the battery reaches a safe state, they TP will boot up and like MD said, it will boot to CM10. So be patient and let things take their course.
Unfortunately the debrick did not work

Got to the following point:

Quote:
checking doc files ...
extracting doc files ...
Incorrect QDL mode found.
Please hold Power+Home+VolumeDown for 20-30 secs, then retry.
Aborted.
Tried the Power+Home+VolumeDown for 20-30 secs several times - but same result.

Help........

MD
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Old August 17th, 2013, 08:49 AM   #37 (permalink)
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well, it's probable that the source l purchased from bundled non-OEM cables with OEM chargers. I know the cable that came with mine is thick and of high-quality and the few times I've used it, I've had no problem, but I strictly use my Touchstone now anyway.

Touchstone is the way to go. BTW, I've determined there is a disc on a touchstone cord that plugs into the adapter. Should have checked before. This yields additional credibility to your assertion about it being a physical attribute of an OEM cable. My bad.
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Old August 17th, 2013, 11:28 AM   #38 (permalink)
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Quote:
Originally Posted by meggiedude View Post
Unfortunately the debrick did not work

Got to the following point:

Tried the Power+Home+VolumeDown for 20-30 secs several times - but same result.

Help........

MD
All you can do is try it again and again.

This forum isn't going to be much help, rootzwiki is. That's where people that have done it and had your problem, will be found. TPDebrick v004 - HP Touchpad - RootzWiki
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Old August 17th, 2013, 01:08 PM   #39 (permalink)
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Quote:
Originally Posted by stef7 View Post
well, it's probable that the source l purchased from bundled non-OEM cables with OEM chargers. I know the cable that came with mine is thick and of high-quality and the few times I've used it, I've had no problem, but I strictly use my Touchstone now anyway.

Touchstone is the way to go. BTW, I've determined there is a disc on a touchstone cord that plugs into the adapter. Should have checked before. This yields additional credibility to your assertion about it being a physical attribute of an OEM cable. My bad.
There were two versions of the Touchpad, Home and Business. The Business comes with a really heavy nice USB cable, the Home comes with the cheaper flimsy cable. Which is funny because in my thinking the home is likely to suffer more abuse than the business so to me that idea is backwards. but there is nothing special about the Touchpad cables themselves any good quality cable should work, same for the chargers.
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Old August 17th, 2013, 01:56 PM   #40 (permalink)
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Not all 2 amp chargers are the same. My Asus transformer charger doesn't charge at two amps on my TP, even using the TP cable. You can use jcsullin's charger app to check various cables and chargers (assuming your device is operational): Goo.im Downloads - Browsing apps
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Old August 17th, 2013, 03:57 PM   #41 (permalink)
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Quote:
Originally Posted by colchiro View Post
Not all 2 amp chargers are the same. My Asus transformer charger doesn't charge at two amps on my TP, even using the TP cable. You can use jcsullin's charger app to check various cables and chargers (assuming your device is operational): Goo.im Downloads - Browsing apps
Yeah, hence "good quality". There will always be variables. But the whole "only use our stuff" is because they can charge an arm and a leg comparatively and make money on the after sale purchases. HP has always been notorious for it. Like telling people that only their RAM will work in their units, or even saying only the replacement processors they sell will work in their PCs. According to HP the PC I am using now can't possibly exist. LOL
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Old August 18th, 2013, 08:09 AM   #42 (permalink)
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Quote:
Originally Posted by Rabid1 View Post
Yeah, hence "good quality". There will always be variables. But the whole "only use our stuff" is because they can charge an arm and a leg comparatively and make money on the after sale purchases....
Totally not the case with the Touchpad,
the accessories were damn near free for almost 3 months after the firesale.
Only the Touchstone remained near full price for some time. I got the plug in chargers for $5.00 and the covers and sleeves for around $2 - 5 directly from HP. http://www.logicbuy.com/deals/hp-touchpad-accessories/40830.aspx
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Old August 18th, 2013, 12:02 PM   #43 (permalink)
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Quote:
Originally Posted by clsA View Post
Totally not the case with the Touchpad,
the accessories were damn near free for almost 3 months after the firesale.
Only the Touchstone remained near full price for some time. I got the plug in chargers for $5.00 and the covers and sleeves for around $2 - 5 directly from HP. Best HP TouchPad Accessories Sale [Folio Case $5 | Charger $5 | Sleeve $2] Deals & Coupons | LogicBUY

I was speaking generally about the idea that only their accessories will work and why companies, particularly HP, do that. The Touchpad was closed out so of course they dumped stock cheap and you can still get OEM pretty cheap as well.
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Old August 19th, 2013, 04:55 PM   #44 (permalink)
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I'll keep this short. Because of the way HP designed the TouchPad and the charger system, most other chargers will only charge at 500mA which is just barely enough to trickle charge a TouchPad.

You can use Battery Monitor Widget to see the exact charge rate that a charger is charging the TouchPad at. J.C.'s app only gives you the general rate of the charger, such as the HP wallcharger is 2000mA, the TouchStone is 1400mA and connected to a PC will show 500mA.

When my TP is down to 20% or less, BMW shows the charge rate at somewhere over 1800mA. That starts to decease the closer the battery get to a full charge.
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Old August 21st, 2013, 09:07 AM   #45 (permalink)
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Quote:
Originally Posted by colchiro View Post
All you can do is try it again and again.

This forum isn't going to be much help, rootzwiki is. That's where people that have done it and had your problem, will be found. TPDebrick v004 - HP Touchpad - RootzWiki
Well I've been wading through that massive thread, but struggling to find a resolution to the following:
Quote:
.
.
.
Writing 1024 bytes to 0x2a028000; 1156 bytes left.
Writing 1024 bytes to 0x2a028400; 132 bytes left.
Writing 132 bytes to 0x2a028800; 0 bytes left.
Executing file...
Checking QDL mode...
Writing file tz.mbn ...
Sending MAGIC...
MSG: Qfprom Fuse List: Blowing FAILED
MSG: Failed Fuse addr:
MSG: 0x00000000
MSG: Error Status:
MSG: 0x00000000
Sending secureMode...
Sending openMulti ...
MSG: Open multi failed, unknown error
ERROR: Open multi failed, unknown error
Invalid openMulti response.
Cannot write file tz.mbn
Aborted.
I see others are also getting this, but no real fix.

(BTW Tried to get to a login prompt on the Rootzwiki on my PC - but can't seem to see one. Tried firefox and Chrome on Win8 PC. Known issue??)
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Old August 21st, 2013, 04:12 PM   #46 (permalink)
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Create Account, top right corner: HP Touchpad - RootzWiki

Yes, it's a lot to read, but I would think the first 4 or 5 pages and the last 10 would get you most of what's going on. Also click on the link for JC and read his posts.

AFAIK, no-one versed with debrick hangs out here.
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Old August 21st, 2013, 10:51 PM   #47 (permalink)
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Quote:
Originally Posted by meggiedude View Post
Well I've been wading through that massive thread, but struggling to find a resolution to the following:

I see others are also getting this, but no real fix.

(BTW Tried to get to a login prompt on the Rootzwiki on my PC - but can't seem to see one. Tried firefox and Chrome on Win8 PC. Known issue??)

If you are using the correct version of Ubuntu the best guess is bad emmc hardware. jc has mentioned it in his posts on Rootzwiki as well. If you do a search on XDA there are other Qualcomm devices that use a similar debrick tool with the same/similar error on some units. Search there or Google qualcomm emmc brick fix. Not sure if any of those would work for you but at least if you can't find anything else to look for or try.
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