Question about Compaq Presario Notebook

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Graphic problems during the start up the image does not synchronize and the screen appears vertical black lines from the top to the bottom of the screen

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Screens going out need a new screen

Posted on Jan 05, 2009

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How do I fix vertical lines and no picture.


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 both Plasma & LCD screen are given with illustrations. You can get an idea about the fault to an extent.

Aug 20, 2015 | Vizio E320VP 32" LCD TV

1 Answer

Approximately. 2" wide vertical black line top to


You may need to adjust the resolution of your laptop to fill the full screen of the TV.

Sep 27, 2013 | Televison & Video

2 Answers

Appears a black line vertically on the screen


hi all .ive had the same problem,a thick black line down screen.sometimes it flickers from top to bottom and other permantly in view.but i have solved it.forget your ic boards and taking apart tv.have you got either a ps3 or wii connected to tv.if so unplug power lead from socket and relocate in seperate socket.make sure the lead is completely free of any other leads and you might just find this works.i think the power lead creates some sort of frequency that the tv picks up .good luck hope it works

Dec 06, 2009 | Toshiba 32AV502R LCD TV

1 Answer

Dell Latitude D620 Nvidia Quadro NVS 100m


Suspected it's a graphic error. Try re-installing your video driver to it's later version.

May 30, 2009 | Dell Latitude D620 Notebook

2 Answers

Black Vertical line appeared on my Daewoo Plasma


Bad connection somewhere along the bottom or top of the panel, there are boards most likely along the bottom of the screen that control vertical drawing, a connection that breaks as it is heated up sounds about right. check the connectors along the bottom. Be very careful because if you wreck em the screen is junk. The connector that will be at fault will be in direct line with the black bar.

Oct 28, 2008 | RCA L26WD26D 26 in. LCD TV

1 Answer

Vertical lines o my desktop


uninstall video driver reboot it should start on windows basic video drivers if it does and screen is good try reinstalling your original card drivers. or search on the net for updated ones

Jul 20, 2008 | Sis 6326, (4 MB) Graphic Card

1 Answer

White Horizontal Lines near the top of my Screen


this symptom is what we called vertical fold-over. vertical fold-over is characterised by a white horizontal bar on the bottom or top of the raster due to the concentration or compression of the trace lines. it an image is present, the bottom or top portion is fold over. this is caused by a vertical deflection current with poor linearity, which compresses the trace lines at the bottom or top of the screen. this symptom is is caused by a defective sawtooth wave genetator circuit, or improper biasing or defective feedback circuit of the vertical drive or vertical output transistor/ic. the negative feedback circuit in vertical deflection circuit compensates for the linearity of the trace portion of the sawtooth wave. a decrease in the capacitance of the sawtooth generator capacitor is usually the trouble. but if you do not understand anything what i have written here, better bring it to a qualified tv technician for your own safety also. good luck!

Mar 01, 2007 | JVC TM-2703SU 27" TV

1 Answer

Picture problem


Usually that symptom is caused by cracked solder joints on the vertical output IC. As the IC starts heating up, the picture starts breaking up at the top with several "dancing" dark lines appearing, the top scrunches down and then when the vertical quits altogether, the screen goes completely black. A good slap on the side of the TV might make it happen faster or clear it up temporarily. If you have experience working on PC boards then you can resolder the pins of the vertical output IC but if you have never soldered parts on PC boards then allow a qualified tech to handle it for you.

Nov 20, 2006 | Sony KV-35S42 35" TV

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