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Old 05-24-2014, 06:14 PM   #1
juki
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Device: M92
M92 weird problem

Hello everybody.
I am writing because I am having a completely unexpected problem with my beloved M92.

After putting it on stand by, the next time I took it the screen was pretty much useless. Instead of changing what it displays, everything remains on the screen in a very light gray shade or white. The system is responsive, I can see the screen changing slightly after pressing some button or even using the touch pen. The battery was charged for a night and the problem remained. I also tried to reset and turn the device on and off several times.

This is the first time it happened and I couldn't find any history of a similar problem happening to others. I tried to update the firmware, but with such a screen it is hard to say if the update was completed or not.
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Old 05-25-2014, 06:37 AM   #2
eb00ker
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Quote:
Originally Posted by juki View Post
Hello everybody.
I am writing because I am having a completely unexpected problem with my beloved M92.

After putting it on stand by, the next time I took it the screen was pretty much useless. Instead of changing what it displays, everything remains on the screen in a very light gray shade or white. The system is responsive, I can see the screen changing slightly after pressing some button or even using the touch pen. The battery was charged for a night and the problem remained. I also tried to reset and turn the device on and off several times.

This is the first time it happened and I couldn't find any history of a similar problem happening to others. I tried to update the firmware, but with such a screen it is hard to say if the update was completed or not.
Hi juki,

did it fell down somewhen?

Because to me, it looks like the screen is broken.

I would do the following in order to limit the damage:

- unscrew the casing
- unplug the battery (maybe this already helps)
- disconnect the e-ink screen "FFC" (flexible flat cable)

then, put everything back to initial state and tell me if the problem still continues...

if so, I would say: the screen is broken.
or maybe the mainboard (but this happens rarely).

The following posts should help you to disassemble your M92:

http://www.mobileread.com/forums/sho...01&postcount=5
http://www.mobileread.com/forums/sho...81&postcount=1

regards,
eb00ker
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Old 05-25-2014, 02:35 PM   #3
juki
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Device: M92
Hi eb00ker,
thank you for the advice.
I broke an eink screen once and it did not look anything like this, that's why I was so surprised by the problem. Currently I don't have any instrument with me and I have never opened the M92 before, so I think I will wait a little for other suggestions.
If I decide to open it I will write here about how it went.
Thanks!
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Old 05-28-2014, 08:35 AM   #4
Booxtor
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Quote:
Originally Posted by juki View Post
Hi eb00ker,
thank you for the advice.
I broke an eink screen once and it did not look anything like this, that's why I was so surprised by the problem. Currently I don't have any instrument with me and I have never opened the M92 before, so I think I will wait a little for other suggestions.
If I decide to open it I will write here about how it went.
Thanks!
Hi,
it does not look like a broken screen. It is rather a damaged contact in the flat cable connecting the screen to the PCB. It would be a warranty case. Of course it is just a visual assumption. Let your vendor inspect the device.

Last edited by Booxtor; 05-30-2014 at 04:34 AM.
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