Question about Sharp Aquos LC-42D62U 42 in. LCD HDTV

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AQUOS 42D43U - Display clipped when used aas monitor

When I use this display as a pc monitor, the display is clipped on all 4 edges....i.e. the displayed image does not show approx. 80 pixels on each of the 4 sides.

So, FEX, you cannot see the Windows task bar, or any icons arranged on the right side of the desktop. Also, if a window opens, you sometimes cannot see the caption bar to close it.

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Yes how are u runing video card to tv ? compunt cable cant do that need to u se dvi plugs or 15 pin blue to it to see whole picture just cant shoot screen out compunt for video only files ok

Posted on Mar 13, 2008

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My averatec laptop will only power on to a black screen but it still sounds like its booting


1) Laptop on use a flashlight, and shine it at the LCD screen. Shine at various angles.
Do you see faint images?

2) You can also plug in a VGA monitor to the back of the laptop, (Laptop OFF, monitor off), and toggle over.

(It can be a VGA monitor that looks like a small TV {CRT}, or an LCD flat screen that has a VGA cable attached)

Plug the VGA monitor's cable into the blue VGA port on the left side, of the Avertec 3200 Notebook PC.
(Example of VGA connectors,

http://en.wikipedia.org/wiki/VGA_connector

Turn the VGA monitor on. Give it time to 'come to life'.
Turn the laptop on.

Are there graphics on the external monitor? If not press, and hold down on the Fn key, (Blue Fn next to the CTRL key), then tap the F2 key.

(The F2 key is the toggle over key for an external monitor. You can use the laptops LCD screen, or it's screen, and an external monitor)

Graphics show on the external monitor? Your graphics chip is good.

Problem is with the screen Inverter, or the Backlight.

An LCD screen cannot produce enough light by itself. It needs an additional light source.
A Backlight is the additional light source.

A Backlight is a CCFL.
Cold Cathode Fluorescent Lamp.
Similar to Fluorescent lighting used in homes, and businesses, but on a MUCH smaller scale.

A screen Inverter is used to convert the electricity from the laptop, for the LCD screen, and the Backlight.

90 percent of the time the fault is the screen Inverter.

The Display Assembly essentially is;

1) Top cover of the laptop. (Display Cover)
2) LCD screen
3) Display Bezel. (Thin plastic frame in front of the LCD screen, and surrounds the LCD screen)
4) Inverter
5) Backlight
6) LCD screen frame

With the Display Bezel removed, the screen Inverter should be at the bottom/front.

This is an example of a screen Inverter for an Averatec 3200 from a quick search,

http://www.laptopaid.com/averatec-3200-lcd-inverter-board-76-030105-02-tested-1629.html

I haven't worked on an Averatec 3200 Notebook PC before. I have worked on 100's of other laptops.
The sequence for removing the Display Bezel follows a pretty standard approach.

Looking at the Display Bezel I see four screw covers. (I'm looking at a PDF Users Guide)

One at the top Right corner, one at the top Left corner, one at the bottom Left corner, and one at the bottom Right corner.

These screw covers made of a rubber-like material. (Synthetic rubber) They are slightly rounded on the top. They have a type of rubber cement that holds them in place.

I use a computer pick to gently pry them off. If you carefully pry each screw cover off, and set them down sticky side up, (Screw side), you can usually reuse them again.

Screw covers (4) removed, use a Philips head screwdriver, and remove all 4 screws.

The Display Bezel will still be held in place. It has plastic tabs on the outside edges that snap into the Display Cover. (Top cover of laptop)

A fingertip is used on the INSIDE edge of the Display Bezel, next to the LCD screen.
(WATCH your fingernails against the LCD screen)

The fingertip raises the Middle/Inside edge of the Display Bezel, just slightly.
Now use another fingertip on the opposite side. Raise the Middle/Inside edge.

The Display bezel should start 'popping' out. (As the plastic tabs release they make a popping, or snapping sound)

To illustrate this technique further,

http://www.insidemylaptop.com/replace-damaged-lcd-screen-dell-latitude-e5400-e5500-laptop/

http://www.insidemylaptop.com/replace-lcd-screen-inverter-dell-inspiron-1525-laptop/

(One more, to show you where I believe the screen Inverter is for the Averatec 3200 Notebook PC, and what an average screen Inverter circuit board looks like,

http://www.insidemylaptop.com/remove-screen-inverter-dell-studio-1737-1735-laptops/

When the Display Bezel is loose, you slide it to one side a little to ease it around, and off, of the cover latch.

The cable connectors going to the screen Inverter are shaped differently from each other, so that when you go to reinstall them, there is no chance of mixing them up.

With the tools you have available, I would replace the screen Inverter ($7 plus shipping), and see if this repairs the problem.

If not the problem is the Backlight. Most of the time you have to buy the LCD screen, as the Backlight is an integral part of it, and should be replaced by a professional.

[ An LCD screen is composed of layers. The layers are held together in the correct alignment by the LCD screen frame.
This alignment MUST be aligned as it was from the factory.

This gives you an example of replacing a Backlight,

http://www.laptoprepair101.com/laptop/2007/12/09/replace-laptop-backlight-ccfl-lamp/

Make a mistake here, and you can throw your LCD screen in the trash ]

For additional questions please post in a Comment.

Regards,
joecoolvette

Aug 21, 2011 | Averatec 3200 Notebook

2 Answers

Hi, I have a laptop compaq presario cq 60 .When I switch on the computer the fan start working but the screen is black doesn't start .What could be the problem? Thank you


Hi,

If you see power lights but nothing appears on the screen, it could be a "POST" (Power-on Self Test) problem or simply LCD problem.

Here are some steps that you can try. One of these may work on your case.

1. Remove the battery and the ac adapter then press the power button for at least 20 seconds to drain electric charges left on the system. (You may need to repeat this step to get it work.)

2. If above step doesn't work, try to plug in an external monitor and see if you get display from the external monitor.

3. If you get display from the external monitor, I'm sure your having problem with the LCD components. In this case, check and replace faulty LCD backlight, LCD cable or LCD inverter. The LCD inverter is often a culprit.

4. Try to reinsert the memory module/s (RAM) of the unit, try using one RAM at a time to see if it works. A faulty RAM will cause the laptop not to POST.

5. If reinserting the RAM doesn't help, most likely your motherboard needs to be replaced.

Hope this helps.

Jul 17, 2011 | Compaq Presario CQ60-212US Notebook

1 Answer

Monitor display squashed at edges


check your video card for loose connections

Apr 02, 2010 | Computers & Internet

1 Answer

Turn on 1080p


You do not turn on the 1080p resolution, the TV will display what resolution it is being fed with, just like your PC monitor, you adjust the resoluiton at the PC not the monitor. The source determines the resolution.

Jan 03, 2010 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

1 Answer

An incompatible video signal has been received check the output device settings connecting a sharp aquos to my ati radeon HD2400


what the problem is your pc is displaying a resolution you monitor cant display most likely its to low do you have a 2nd monitor you can hook up to set resolution Once you have done that set resolution that your new monitor can take and then hook up . when i moved from a 19inch monitor which ran at 1280 x1024 to a 32 inch samsung 1360x768 i had same problem as my screen cant display that res so set to what ya monitor can do .If you dont have a second display keep connected turn pc off with only your sharp cable in and it should turn on once into windows

Oct 07, 2009 | ATI RADEON HD 2400 PRO Graphic Card

1 Answer

Sharp Aquos TV will not display contents of DVD using Microsoft Media Player 11


it sounds like a problem within your vga connection on the tv check around and see if there is some firmware for this fix or right click on your desktop were there is no icons and select properties select settings tab and set ur display as needed.

C

Oct 24, 2008 | Sharp Aquos LC-42D62U 42 in. LCD HDTV

1 Answer

Using the TV as a computer monitor


Hi,

I am assuming that you have installed the cable to the appropriate jack/connectors on the back of the TV and that of the PC.

If you are using a laptop, you would need to press on the Fn + F? keys of the laptop to cycle through the different settings such as: laptop's display only, laptop & TV displays and TV display only. The F? key would be one in your laptop designated to engaged/enable external monitor (TV). Normally, it would have a monitor icon.

Please verify that your PC's screen resolution is 1366 x 768 or lower.

If you are using a desktop, you need to engage/enable the dual/twin view in Display Properties. Additionally, the TV must be powered on first before the desktop is booted.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.

Thank you for using FixYa.

Apr 30, 2008 | Sharp Aquos LC-PD50U 50 in. Plasma...

1 Answer

Maxent as PC monitor


Most likely you haven't set it up as a mirrored display. Try dragging your mouse off the edges of the original dispay (or laptop screen) and see if it shows up on the plasma, if it does, figure out of to mirror. Im not sure how to go about mirroring the display on windows, but on mac its an option in the display drop down menu.

Mar 16, 2008 | Maxent MX-42HPM20 42 in. Plasma HDTV

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