Why has my computer screen become distorted?

December 24, 2018 at 04:15:21
Specs: Windows 10, Itel i7-4720/ 16GB
My MSI All in One PC AG270 2QE 043US screen is distorted.The screen is dimmer now and darker now on the right hand side with a streak of light on the right hand side.

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#1
December 24, 2018 at 05:53:14
Can you plug in an external display and confirm if that too is also showing a distorted output?

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#2
December 26, 2018 at 05:29:35
No I can't plug in an external display.There is something on the MB causing this.

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#3
December 26, 2018 at 19:28:21
There are two three basic possibilities here.
One is that the monitor, cable, or connection is bad and that requires some steps to resolve, possibly replacing the monitor.
The other is that the graphics on the main board or graphics board is bad and that requires a different set of tests and possible repairs (if repairable).
Finally, there is the possibility that this is a software issue and removing and replacing the drivers may resolve.

The first step is to try an external monitor if there is any type of monitor output jack. If it works properly then it is necessary to focus on the monitor and connection. If it does not work then further testing is necessary.
Another test you can make is to reboot into Safe Mode, this will tell us if it is the driver because Safe Mode uses a very simple generic driver so if it works in safe mode then it is the driver that is the problem. You can also boot onto a Live Linux Disk (not install but run off disk and in RAM) which also uses a simple generic driver and none of Windows software at all.

Report back results for additional steps depending on what the the results are.

You have to be a little bit crazy to keep you from going insane.


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#4
December 31, 2018 at 04:37:40
It's not the cable this is a all-in one computer.It's not the drivers so I think it is the GPU.MSI told me that I would have to send it in for replacement of the GPU.I was told I could not do it myself.Let me know what you think.

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#5
December 31, 2018 at 20:17:25
If the unit is still under warranty then let MSI take care of it.

To know if the GPU is the problem, connect a VGA or HDMI to an external monitor or TV; the VGA, HDMI outputs are on the back panel https://www.newegg.com/Product/Prod...


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#6
January 1, 2019 at 07:01:18
It is out of warranty.If I connect it to a VGA or HDMI to an external monitor or TV, how will that tell me if it is the GPU?

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#7
January 1, 2019 at 07:19:56
If it works and is not distorted you'll then know what the problem is. it's the GPU


Davidw

message edited by Davidw


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#8
January 1, 2019 at 07:46:54
Actually, if the external monitor works properly then it is NOT the GPU or motherboard but it WILL be either the internal monitor or the internal ribbon cable connecting the internal monitor to the motherboard.

You have to be a little bit crazy to keep you from going insane.


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#9
January 1, 2019 at 07:49:27
David of course meant that if the image is not distorted on an
external monitor, then the problem is *NOT* the GPU.

Plugging in an external monitor is definitely the first thing to try
in your situation.

Next, I would open the case and look for a loose connector or
broken cable from the GPU to the built-in monitor.

-- Jeff, in Minneapolis


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#10
January 1, 2019 at 08:07:30
If you still can't find the source of the problem, either post a
more detailed description of the problem, or put a photo of the
screen taken with a camera on an image hosting website, and
post the link here. If you take a photo, you need to turn off the
camera's flash, and set the shutter for a long exposure, like a
30th of a second or longer. Long enough for all the pixels on
the screen to light up. Be sure the camera is steady. Put it on
a tripod or a solid surface so it doesn't move.

I'm not an expert at analyzing screen problems, but the exact
appearance of the screen can provide a good clue to the cause.

-- Jeff, in Minneapolis


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#11
January 1, 2019 at 13:55:28
Ty Jeff for clarifying my answer open case check cables or connector on monitor as they have been know to give problems getting loose or even possibly needing replaced

Davidw

message edited by Davidw


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#12
January 5, 2019 at 06:09:11
I ran a HDMI cable to an external video source and it was not distorted. So is it the GPU?

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#13
January 5, 2019 at 06:20:43
Probably your monitor is the problem or a loose connection as been previous discussed.

Davidw


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#14
January 5, 2019 at 07:54:43
This is an All-In-One PC what loose connection would it be?

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#15
January 5, 2019 at 08:30:09
on the motherboard or cable where it connects to monitor looses or might need replacement of cable or try push on cable see if its loose.

Davidw


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#16
January 5, 2019 at 19:15:38
Your GPU is fine.

Even in an all-in-one, a ribbon cable connects the GPU to
the monitor screen. The connector at either end could come
loose. Easy to fix and zero cost if you do it yourself. If there
is any kind of hinge between the GPU and the screen (to allow
changing the screen angle), then the most likely problem is one
of the conductors in the ribbon has broken at or near where it
passes through the hinge. That requires a new cable.

-- Jeff, in Minneapolis


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