Acer :: Aspire 5942G Display (diagonal Lines Over Colors)

Mar 7, 2010

I experience the following display problem with Acer Aspire 5942G:

When certain colors are displayed on the laptop screen, thin diagonal lines ( like waves ) start moving all over the mentioned color ( see the attached photo and movie).

The effect is very annoying and well seen when You look from underneath the display. The exact color depends on the color calibration and the Acer Cine Boost Color Engine but always exist.

I attach a test pattern of 4 colors - they are light ones. Each color reacts as explained depending on color calibration : default MS Windows 7 calibration , default ATI video driver calibration, Acer CineBoost Color Engine On/Off.

It is not affected by hot/cold notebook, battery/normal power. It does not affect the external display.

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Sony :: Wide Diagonal Lines On Z

Jan 9, 2010

From time to time, only a blink of a second though, I'd get the lines seen on the print screen below on this Sony VGN-Z890. Moving the mouse will make them disappear. If I remember correctly this happens in both Stamina/Speed mode.

Mobile Intel 4 series driver: 8.15.11.8684
nvidia: 186.84 (directX 11)
Bios: INSYDE R5030M3 (18.08.2009)

is this a hardware defect or driver problem,

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I have had it in with Vaio Link, but they say they can see nothing wrong with it and sent it back

The lines/banding show in the Bios so it is not software related.

Does any else's screens look like this? I have compared it with another model in the Sony Shop and that one didn't seem to have the issue.

1: Diagonal lines from top left to bottom right in the lighter colours, this is in MS paint.

2: BBC web site, the Diagonal lines are clearly seen in the BBC blue.

3: Sony Vaio Bios, is clear in the light blue and lightly in the white area.

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Nov 23, 2009

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I feel it detracts from my enjoyment such that I want to sell the Z which I just got. Is there a way to unlearn what I've already seen? I guess do you really stop noticing it after time?

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I was working in Photoshop than the laptop restarted. He didn't even wanted to boot anymore, he restarted many more times. When he worked again i was trying to render a video....again : restarting. I went outside with the laptop and tried to render the video again. It worked! So...i guess the problem is that when he gets to warm he suddenly restarts...

But there's one more problem : when i move the laptop from a place to another, he restarts again. I just don't get it. It's a brand new laptop, as i told you, bought it last week. What can i do? I really need it and i cannot send it to the service becuase it will take too long...

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May 5, 2010

I have this acer with these two problems.

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When i press the button, it does light up green, but i have no indication on the screen like i have when i activate wlan or bluetooth.

When the drivers of the powersmart manager are uninstalled the button does not light up green when i press it, so it partially works.

Also, nothing changes in my power settings nor the screen brightens down, no sign that it works.

Actions i took so far:
I uninstalled and installed both programs, and i run them as admin.

I installed first the launch manager and then the power management.

Nothing changed.

I go to c: program files:acer:acer powersmart manager and try to open the right exe file which i think is ePowerMsg but then i get an error message saying that the element ePowerMsg stopped working.

The window is this:
Is this the right exe?
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Control Panel > Display > Calibrate Color >Option No longer available
Control Panel > Display > Change Display Settings > Resolution 1600 x 900 (Recommended)
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I have repeated the process then - the company replaced the connections, but this time it didn't help at all.

As this is happeneing randomly I am now asking, what could be the casue of such a fault,, if anyone has any idea. If there are any questions I will respond to the best of my knowledge.

I have made a short video that shows exactly what happens
[url]

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cs_setInnerHtml('video_a6abdc71-398b-44c0-a184-952b80b1f1be','');

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