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Cq26-214nr laptop screen display only works when open half way

When opened all the way the screen show random vertical colored lines ,, but if moved back to the halfway open it will work ... think it is a bad cable ,, part number ???

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 41 Answers

SOURCE: Screen only showing vertical lines after being dropped

The damage could be either in the LCD screen or the connection cable. Open the screen assembly and check the connection cable first.
In case it doesn't work you can find replacement LCD screens here.

www.piezas.biz

Posted on Jul 06, 2008

  • 1 Answer

SOURCE: Dell Inspiron 1501 screen half black

Had the same problem. Fixed it though. Here's how:
You'll notice that the screen comes back to life if you press down on the very top of the green line. This is because a controller circuit board behind the LCD screen (at the top) is pressure fit flat-surface-to-flat surface to the contacts on the back of the LCD. Eventually, the sticky substance that holds this circuit board in place wears thin, collects dust, etc.. and the connection between the circuit board and the lcd contact is lost. The line appears where this break in contact has occured. 
So, the solution is to increase the pressure at that point to reestablish the connection. I wasn't able to remove the circuit board to clean beneath it as it seemed too likely to cause damage. Nor would I have had the right adhesive to connect it back, so I simply removed the LCD and put a bunch of tape at that point so that it would "push" with a little more pressure when screwed back into place. Worked great.
To remove the LCD, pull off the 6 feet around the screen. Remove the screws behind them. Carefully pry off bezel with a small flathead screwdriver working your way around it. Once removed there are simply 4 screws on the left and 4 more on the right of the LCD to remove. Pull out screen carefully and start stacking bits of tape on the spot where pressure seems to work best. Put it back in and see if you've made any difference. I did this with the computer on so I could verify my results. Just be careful not to short out any naked contacts.
If this doesn't work for you, at least you'll know you just need to replace the LCD, not the video card. Easily found on ebay.

Posted on Mar 12, 2009

coupondeal
  • 76 Answers

SOURCE: Dell 710M display has vertical colored lines instead of info

I suspect that the flat wire between you keyboard and screen is coming loose. It is within one of the himges and is about 1" wide and very delicate. You can not fix it and should take it to someone who works on laptops. Sorry that is the best I can suggest

Posted on Jul 15, 2009

Firetree
  • 179 Answers

SOURCE: There are multi colored vertical

Unfortunately, you're not going to be able to get a new cable as Toshiba will not sell OEM replacement parts to anyone but an authorized repair center.

This may just as likely be a problem with the sockets/plugs as with the cable itself, as they are rather fragile. It may be worth spending a few bucks for a used cable just to see if it will solve your problem. Also be sure that the thin plastic shim found on the top of most of these cable ends is still there, as they can come off rather easily, and the lack of it will cause a poor connection.

Your other alternatives are (1) Toshiba repair center, or (2) using the external monitor.

Hope that's helpful.

Posted on Dec 31, 2010

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