08-07-2013, 07:00 AM | #76 | |
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I haven't done this (tried a forced upgrade) because I currently can't get the thing to move away from the "Low Battery" screen. The unit is plugged into a power strip. I've tried hitting the power button. I've tried pressing reset in back. I'm not sure what else to try. ... which is exactly where I was before sending it to Germany the 2nd time. Obviously, they had no problem charging it. I just don't know what to think any more. I need to think about this scientifically, as a problem to be solved, but it's difficult to think about it without getting upset. The device responds to nothing. |
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08-07-2013, 08:19 AM | #77 |
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As you might be aware, I have had my fill of issues with this unit myself. Booxtor have been very helpful, though. But as I said, I know the frustration of it.
Well, that part, at least, is not a mystery: that is what you would expect to see when there is no power (i.e. last image fixed on screen). The question is, of course, why is there no power. Only scenario I can now think of is: something is up with your charger, and it bricks the unit. I.e. you get it back from repair, all is working, then you try charging it and it's curtains for the battery. Yes, yes, I know, far fetched. It would be helpful if we could know what was actually done to it in repair, if anything. Booxtor, if you are following this, could you enlighten us to this, please? CJ |
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08-07-2013, 10:28 AM | #78 | |
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I trust Booxtor. I don't know how much or how little he has to do directly with the servicing of units. If I was dependably cynical (I'm only cynical part of the time) I'd suspect the only thing that was being done in my unit's case was swapping out dead batteries for newly-charged ones. I was pretty explicit about my charging issue before I sent it in -- I can only presume that it was examined and tested with this in mind. But it (the M92) still doesn't work, and the problem is exactly the same as before I sent it. So I too am curious what might have been found, and what might have been done. If I was superstitious (which, unlike cynical, I never am) I might believe that this M92 housed a malevolent goblin which, for some unknown reason, despises me, but likes Germans. |
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08-07-2013, 11:09 AM | #79 | |
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Your thoughts on the battery change mirrors mine (as per the edit somewhat above). Maybe it'd be a rewarded endevour to sent Booxtor a PM and ask him specifically if he can cast some light on what was done? I am getting to the point - and please do not take this encouragement in any way, warranty considerations notwithstanding - where I believe I would personally have taken it apart myself, in your situation. But I keep coming back to the blinking: it seems that, as soon as you provide some power, the first inclination is to 'report' an error. I assume this only happens when plugged into charging? If memory serves, it's an orangy light just for charging (I shall check next time). CJ |
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08-07-2013, 11:39 AM | #80 | ||
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I went over the whole thread again, to get a refresher (boy, this has been going on for more than half a year, I feel your pain).
Two things stood out (again, no insight, just that stubbornness/logic thing): Quote:
Quote:
If this latter is still on-going, and a while is shorter than, say, half an hour, then the unit is charging for that while, but for some reason bails out as e.g. wrongly reporting that battery is full? (Or maybe wrong current, but I doubt it.) What do you think about this, is the above still the behaviour? CJ Last edited by CJY; 08-07-2013 at 03:57 PM. |
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08-07-2013, 06:39 PM | #81 |
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Well, I left it plugged into a power strip while I was at work, using another cable I'd found. It's still showing the "Low Battery" screen, but the orange LED is still glowing ...
... AND I get the blue LED blinking underneath the orange when I press the power button. So there it lies. I'd take it apart, but I have no idea what I should look for. Maybe I'll do it anyway. Dunno. I wish I had a friend nearby who was an electronics whiz (I dream of being one, but that may never happen). |
08-07-2013, 07:17 PM | #82 | |
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The answer to that question can be found in what was done in the repair: if the battery was changed, it is the mainboard. Alternatively, if you could find a replacement battery, that would further confirm it. I would take Booxtors offer of mailing you a new board. He says it's a fairly easy change with a soldering iron. Maybe you could find an electronics shop who could do it cheap for you? Deduction has taken us as far down the road as possible, I suspect. If nothing else, it has been interesting! CJ |
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08-08-2013, 06:49 AM | #83 |
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OK, I have requested the replacement motherboard.
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08-08-2013, 07:14 AM | #84 |
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Last night, I had a thought. I admit it is very far fetched, but it just dawned on me that the symptoms you describe is exactly what would happen if the battery was a normal battery, i.e. not rechargeable.
To weird to contemplate...? CJ |
08-08-2013, 09:16 AM | #85 | |
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I will send a replacement board. I guess there is a hardware malfunction like a cold solder joint. It could not be discovered in our lab. We checked the charging function and it seemed to work just fine. But as we can see it does not. I would not like to let someone suffer on such a problem. @chexmix: please contact me as soon as you receive the board. I will give you some instructions how to do the replacement |
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08-08-2013, 02:05 PM | #86 | |
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Just a thought ... this couldn't have anything to do with US vs. EU electrical supply, could it (I hope that question doesn't sound too stupid)? |
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08-13-2013, 02:09 PM | #87 | |
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I can just guess what could be wrong with your unit. Most likely it is a could solder contact. We have a lot of customers in USA and Canada and nobody complained about similar issues before.. |
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08-18-2013, 12:53 PM | #88 | |
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I'll keep an eye out for the board. I hope I can find someone to do the soldering. |
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08-20-2013, 09:45 AM | #89 |
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08-21-2013, 01:21 PM | #90 |
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Good evening everyone (at least fellow europeans),
After 20 mostly fine months with my Onyx Boox M92 it finally stopped working. I very much fear that there is an issue with the screen according to this post by Booxtor https://www.mobileread.com/forums/sho...6&postcount=17, since the screen is frozen and the led under the joystick stays blue for 10 seconds after pushing the On/Off button. I'm writing here since the case is similar to the one of Chexmix and others participating in the topic. I tried to charge it with different cables both through the wall plug and through my computer but nothing happens apart from the steady orange led. I assume the issue is covered by the mandatory 2-years warranty and I would like to know how to proceed in order to have it serviced under warranty. I will let you know how things go... hopefully well, because I do trust Booxtor, but in the case of Chexmix it looks like a long agony rather than a path to salvation ! Last edited by Federico F.; 08-22-2013 at 08:36 AM. |
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