Question about Samsung SGH-d807 Cellular Phone

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Black Screen The screen works only if pressure is applied in certain ways

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You need to have it replaced then, so take it to a mobile service center or mobile tech and have it replaced

Posted on Jan 29, 2008

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Posted on Jan 02, 2017

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1 Answer

The screen is black except for those words. Can't


Try a reset. Guess, look for a pin hole paper clip, gently insert and slight pressure applied after switching on hold until screen comes on!. Good luck!

Oct 10, 2014 | Cell Phones

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15' macboo pro 2008 15' screen problem. Colors turn negatitive when screen is tilted a certain way.


sounds like the video cable is pinched in the hinges. This was really common with first generation macbook air. iFixit.com has guides for disassembling, but you'll quite likely need a new video cable.

Apr 18, 2014 | Apple Customized 15" MacBook Pro Laptop...

1 Answer

Blotted screen in my hp laptop


1.Locate the problem pixel. Display a true black image on your HP's monitor. You can do this by playing a DVD on your HP laptop, and pausing it on the black screen just before the movie starts. Once you bring up a black image on screen, the stuck or dead pixel should be visible.
2.Try applying direct pressure to the problematic pixel. After you've located it, turn off your laptop. Place a soft cloth or rag over the pixel to avoid damaging your screen. A soft chamois works well. Using the tip of a pen, apply gentle pressure to the pixel. You don't need to press hard, as too much pressure can crack or scratch your screen. While applying pressure, boot up your laptop. This should force the pixel to begin working properly.
3.Tap the pixel. With your Toshiba booted up and an image on the screen, gently tap the pixel with the rounded end of a pen cap. Tap hard just hard enough to see a small white flash on the screen. Tap your HP's screen until the pixel begins working properly.
4.Download a stuck pixel program. Several programs, including JScreenFix, UDPix and Pixel Protector, are available for download and can help fix a malfunctioning pixel. These programs display rapidly changing colors and images on your screen. The flashing colors and images can force the pixel to begin functioning properly.
5.Contact HP. If none of the above methods work, your screen may have a pixel that is truly dead. If that's the case, the only option is to replace the display completely. Contact HP customer support at www.hp.com to find an authorized repair service near you.

Sep 19, 2011 | Computers & Internet

1 Answer

Green flickering pixel at certain point on screen


I read up on this awhile back, and it is probably bad pixels in the display screen. The display screen is controlled by tiny transistors (tft for thin film transistor). Sometimes they can come from the manufacturer bad, they say, but they can also go bad if you apply too much pressure when cleaning the screen (use the moist screen type cleaners- you can buy them at any computer store- Best Buy, Walmart, etc). If the screen gets bumped too hard, they can be damaged also.
There is nothing you can do in this case to fix it, aside from replacing the whole display. It's conceivable that the driver could have a bad feed to the display screen, and in that case would have to be replaced, but you would probably be better off buying a new computer, in that case. Most likely it's just a bad "spot" on the screen, and although annoying, won't hurt anything if you can live with it. Hope this helps!

May 10, 2010 | Computers & Internet

2 Answers

Top ds lite screen is red green and blue


The same thing happened to me, You might want to replace your ds touch screen...

Feb 05, 2009 | Nintendo DS Lite Console

4 Answers

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.

Dec 31, 2008 | Dell InspironTM 1501 Notebook

1 Answer

Acer laptop keps losing screen picture and keypad funcionality but works fine if screen held at a certain angle or pressure applied


There is issue with the data cable which runs through the hinges.
Open the hinges portion and check most probable the cable might be loosly connected else you have to buy a new one.

hope this help.

Thanks

kevin

Sep 16, 2008 | Computers & Internet

1 Answer

Hp pavilion dv5000 laptop screen distortion


Same here. However mine is a toshiba satellite. Starts fine but after a minute or two its like watching tv in the 60s all sorts of white lines distort the screen. So i took the back off and removed all of the screws for the sceen around the top and bottom. Just the ones that mount it to the cover. By applying pressure to certain parts i managed to narrow it down and after about 10 attempts at ptting it all back together i did it with 2 screw missing in the top left hand corner and low and behold it seems to work fine. I am thinking that over time maybe some of the mouldings expand and maybe apply pressure onto the back of the screen and start to cause problems. I am not saying this is a cure for all but it certainly worked for me. Good Luck.

Jul 07, 2008 | Computers & Internet

1 Answer

LCD/digitizer replacement


Unfortunately, when it comes to touch-screens, it's much more difficult to fix.

The reason being that the screen is placed in the chassis of the device - with precision, so that none of the parts in the device or the chassis/cover of the device itself is applying any pressure to any point on the screen.

If there is any point on the screen which is being pressed by the cover of the phone or any part of the phone such as a wire or PC board, the screen will be reading TWO inputs whenever you push a button on the screen. Most touch screens will lock up if it detects two points of pressure...or it will pick one input and run with THAT one. (Hard to say if it chooses the first or the second input.)

I have a Dell handheld PDA that I can't put the cover back on as it works sporadically when I tighten the screws back down. I know the general region where the pressure is being applied, but no matter what I have done, it just won't work. (It's not worth my time, so I haven't really continued working on it for some time now.)

Sometimes when I flex or bend the chassis of the PDA and I use the stylus on the screen, it'll work for a while. But then you grip it in a certain way and it starts going crazy all over again. When I bend the chassis by twisting it a bit, it releives the point of pressure and I'm able to use it normally for a while. Sometimes I tap the sides of the device to knock the screen back into place. (Although that can be harsh on the device.)

Quite honestly? I would take that phone to a service center and either have them service it or replace it. (But you most likely voided any warranty you still had when you opened it; if any.)

Not much that can be said for it unless we could actually physically inspect it. But this is the internet. :P

Try jarring the screen or inspecting the bottom side of the front cover to see if there is any point that is touching the screen when you secure it. Try removing the screws in certain, contained areas in a slow manner to see if releiving pressure in those areas might show you where there may be something touching the screen. Take it from there. Might consider using a file to file down the area that is touching the screen.

First and foremost, though... Just check to see if the screen is centered right where it's supposed to be.

Good luck with that. I hate touch screen repairs. :P

Cyryl

Nov 16, 2007 | Palm Treo 680 Smartphone

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