down half of screen is black Asus ET2221i all-in-one

Asustek computer inc. / Et2221i
January 24, 2017 at 14:37:00
Specs: Windows 10
ET2221i all-in-one
I reversed pins of backlight and still the same effect
It had been broken (fell down) but worked ok till the huge upgrade

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#1
January 24, 2017 at 15:12:35
Just to say that whatever this is it has nothing to do with the Windows 10 upgrade (if that's what you mean). It is pure coincidence - you have a hardware fault. Almost certainly another symptom of the previous damage.

Always pop back and let us know the outcome - thanks


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#2
January 24, 2017 at 15:43:08
ok, I feel the same. I disassembled it to the matrix connector and don't know how to check further (lack of measurement devices like oscilloscope). The connector seems a bit damaged (after my inefficient trial to reconnect which led me to the white screen - after some adjustment it came back to the half of screen)

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#3
January 24, 2017 at 16:05:37
Maybe you could take a camera snap of it and put it on an upload website. It might not look quite the way I imagined. This website doesn't require an account:
http://www.zippyshare.com/

Just give us the URL.

Always pop back and let us know the outcome - thanks

message edited by Derek


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#4
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#5
January 25, 2017 at 12:55:07
Thanks for that - not quite what I imagined but I still think the screen (or its connections) is the most likely culprit.

There is a vague possibility of it being a faulty display chip. Any chance of trying an external monitor on it? That would at least help prove whether it was the screen itself or not.

Now there's a screen shot maybe someone else will immediately recognise the symptoms.

Always pop back and let us know the outcome - thanks


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#6
January 25, 2017 at 13:29:10
HDMI on TV screen looks good. Previous trial was too short - I saw only black TV screen. It means that matrix or connector strip is suspected.

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#7
January 25, 2017 at 15:14:30
"It means that matrix or connector strip is suspected"

Yep, looks quite likely.

Always pop back and let us know the outcome - thanks


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