Little black dots

jonnybraga · 06-13-2010, 10:20 PM

Hello,

I've noticed something a few days ago on my Kobo.

When I was reading, I kept getting bothered by two small black dots on the screen.

I thought it was the printing of the book, did a refresh, even after turning off and on the device, they were still there. It's like if two of the "pixels" won't go gray anymore, they stay black all the time.

Does anybody else seem to have experienced that too?

Do u guys think I should go for an exchange? It's really bothering me, even though they are really small.... it seem it's all I can look at hahah...

I got it 13 days ago at Wall Mart....

Thanks for the help!

Solicitous · 06-13-2010, 10:25 PM

What happens if you turn the reader off, do the dots still stay there? Secondly have you tried wiping the screen with a soft cloth? A couple of times I have had dust on my reader which made it look like a bad screen. Just a thought.

jonnybraga · 06-13-2010, 10:29 PM

yes, i've tried both....

it's definitely something "inside" the screen... not over it....

the off/on procedure didn't do much either...

thanks

Thrasher · 06-14-2010, 01:22 AM

Yes, I have these dots as well. Maybe they're something similar to stuck pixels. I have one that's particularily bothering me, but it is still very small (smaller than a period). And there are a few that I can see only if I look very hard. I try not to think about my dot and try to ignore it. I know if I had to exchange my Kobo for another one, I would probably end up with even more dots... (my life experience, haha) so I just have to live with it .... nevertheless it is very tiny.

neilmarr · 06-14-2010, 02:25 AM

Maybe I'm old-fashioned, but I expect newly bought goods to be flawless unless second hand or honestly described as factory seconds. Demand a brand new machine, Johnny. And because this appears from Thrasher's post not to be an isolated problem but a common fault, insist that you try out your replacement before accepting it. Good to have your company, by the way. Best wishes. Neil

jonnybraga · 06-14-2010, 09:38 AM

Thank you for your help, neilmarr.

I've just arrived home from Wall Mart....

I got an exchange... don't see any disturbing dots so far.... hehehe

let's hope...

Magnesus · 06-15-2010, 03:22 AM

All E Ink screens have small inverted dots (smaller than pixel):

http://s.wieze.org/wieza/gfx/makro.jpg

They are probably changing place with every refresh and are normal.

If they are larger though, the size of a pixel - they are probably stuck pixels. It's a typical problem for all TFT devices (LCDs, OLEDs, e paper etc.).

neilmarr · 06-15-2010, 04:55 AM

Hi Johnny: Hope your new machine is faultless. Good luck. Neil

06-13-2010, 10:20 PM	#1
jonnybraga Member Posts: 23 Karma: 10 Join Date: Jun 2010 Device: Kobo	Little black dots Hello, I've noticed something a few days ago on my Kobo. When I was reading, I kept getting bothered by two small black dots on the screen. I thought it was the printing of the book, did a refresh, even after turning off and on the device, they were still there. It's like if two of the "pixels" won't go gray anymore, they stay black all the time. Does anybody else seem to have experienced that too? Do u guys think I should go for an exchange? It's really bothering me, even though they are really small.... it seem it's all I can look at hahah... I got it 13 days ago at Wall Mart.... Thanks for the help!

06-15-2010, 03:22 AM	#7
Magnesus Connoisseur Posts: 98 Karma: 58 Join Date: Apr 2010 Device: Bebook Neo	All E Ink screens have small inverted dots (smaller than pixel): http://s.wieze.org/wieza/gfx/makro.jpg They are probably changing place with every refresh and are normal. If they are larger though, the size of a pixel - they are probably stuck pixels. It's a typical problem for all TFT devices (LCDs, OLEDs, e paper etc.). Last edited by Magnesus; 06-15-2010 at 03:26 AM.

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06-13-2010, 10:25 PM	#2
Solicitous Wizard Posts: 1,434 Karma: 1525776 Join Date: Aug 2009 Location: TAS, Australia Device: Astak Pocket Pro (Black), 2 x Kindle WiFi (Graphite), iPod Touch 4G	What happens if you turn the reader off, do the dots still stay there? Secondly have you tried wiping the screen with a soft cloth? A couple of times I have had dust on my reader which made it look like a bad screen. Just a thought.

06-13-2010, 10:29 PM	#3
jonnybraga Member Posts: 23 Karma: 10 Join Date: Jun 2010 Device: Kobo	yes, i've tried both.... it's definitely something "inside" the screen... not over it.... the off/on procedure didn't do much either... thanks

06-14-2010, 01:22 AM	#4
Thrasher Groupie Posts: 156 Karma: 1003934 Join Date: Apr 2010 Location: Canada Device: Nook Wifi	Yes, I have these dots as well. Maybe they're something similar to stuck pixels. I have one that's particularily bothering me, but it is still very small (smaller than a period). And there are a few that I can see only if I look very hard. I try not to think about my dot and try to ignore it. I know if I had to exchange my Kobo for another one, I would probably end up with even more dots... (my life experience, haha) so I just have to live with it .... nevertheless it is very tiny.

06-14-2010, 02:25 AM	#5
neilmarr neilmarr Posts: 7,216 Karma: 6000059 Join Date: Apr 2009 Location: Monaco-Menton, France Device: sony	Maybe I'm old-fashioned, but I expect newly bought goods to be flawless unless second hand or honestly described as factory seconds. Demand a brand new machine, Johnny. And because this appears from Thrasher's post not to be an isolated problem but a common fault, insist that you try out your replacement before accepting it. Good to have your company, by the way. Best wishes. Neil

06-14-2010, 09:38 AM	#6
jonnybraga Member Posts: 23 Karma: 10 Join Date: Jun 2010 Device: Kobo	Thank you for your help, neilmarr. I've just arrived home from Wall Mart.... I got an exchange... don't see any disturbing dots so far.... hehehe let's hope...

06-15-2010, 04:55 AM	#8
neilmarr neilmarr Posts: 7,216 Karma: 6000059 Join Date: Apr 2009 Location: Monaco-Menton, France Device: sony	Hi Johnny: Hope your new machine is faultless. Good luck. Neil

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