Question about Acer New C7 C710-2847 Chromebook 11.6" Intel Dual Core B847 1.1 GHz 2GB DDR3 320GB 5400RPM HDD Wifi HDMI USB3.0 VGA Card Reader

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The screen will have lots of mostly gray vertical lines, can't get rid of these lines

When I turn on the netbook, the screen has multiple lines, and I can't see the wallpaper. I cannot get rid of this, so I have tried to take out the battery for a few minutes, turning it completely off, rebooting it. and I also tried unplugging electric, and also just closing the lid. However, nothing has an effect.

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Sounds to me like the LCD screen is going out. Now, it could also be the graphics board/chip on the laptop but I don't believe so in this situation.

If it is the monitor (and I suspect it is just that) then you'll need to replace it. I highly recommend ScreenSurgeons.com for replacement screens. I have used them several times and have always had great support. They have videos with step by step directions on how to replace the screen yourself.

Here is the link to the screen for your model of laptop:
Screen Surgeons

Posted on Jan 03, 2014

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Posted on Jan 02, 2017

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HD TV what would cause a dark gray vertical line in the middle


If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

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Hello,

The T CON board of the television is bad, you need to replace this
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There are 2 types of lines they may be showing, both requiring the replacement of the LCD Panel.

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2. Single/Multiple Vertical lines - This is normally 1 or maybe a few solid vertical lines that travel from Top to bottom. I belive in some cases they may only travel to the screen center.

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1 Answer

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Try connecting an external monitor to the your laptop and see if the vertical line is also present on the monitor. If the monitor display is fine, then your laptop’s LCD display panel is defective. If the monitor also displays the vertical line, then your problem is with either the video card or motherboard located inside your laptop.Not sure if the Compaq Presario has an external monitor plug, but if it does the above procedure can be applied to that one as well.

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1 Answer

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NOt very clear.....

Multiple stripes all over the screen? Vertical or horizontal?

If it's only like an inch vertical lines put a mark on the cabinet where exaclty the line is, turn off the TV then open the back, you'll see lots of ribbon wires (gold color) from the plasma panel it self going to buffer boards, using the mark find the closest ribbon wire where the line is showing then remove and clean the contacts, make sure to reseat it properly when putting it back otherwise you'll just add more lines or black bar on the screen if pins are not seating properly.
But do not be afraid if the lines get worst just turn the power off right away and reaset the ribbon wire till you get it correctly.

CAUTION;
DO NOT try to do this while the TV is on oherwise you'll burn COF (Chip on film) on the panel and you'll end up replacing the whole PDP.

Good luck!

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1 Answer

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I've had the same problem. A temporary fix that I have found is to turn up the contrast all the way (press [2nd] then hold down the up arrow) until the screen becomes mostly black. Then turn the contrast back down (press [2nd] then hold down the down arrow) until it is at a normal level. If you can get rid of all the white lines when you turn up the contrast the screen will be back to normal. Unfortunately this does not permanently fix the problem because I cannot get rid of all the lines and it seems to be getting progressively worse each time it start up the calculator.

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