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Back lighting is out on screen. The image can be viewed at an angle if there is no glare or reflection on the screen surface.

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  • calightle Jun 27, 2009

    Been there done that. Doesn't work. Thanks. However I found a referance of a pin in the hinge that shuts off power to screen when the lid is closed. I have to check this out.

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  • 23 Answers

You laptop screen invertor is faulty. (also know as LCD inverter, FL inverter, backlight inverter). You can order one from your manufacturer if you are capable of replacing it yourself (means taking your laptop apart). Otherwise I would advise to take it to your local computer store to replace.

Posted on Jun 26, 2009

  • Anynick Jun 28, 2009

    "Been there done that" would have been helpful in your history of the fault. The pin in the hinge would shut down the monitor completely not showing you any image. Good luck with your fault.

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1 Answer

How do I adjust contrast?


There are Function Keys to do this.

from Troubleshooting section. Keyboard (if contrast and brightness function key)
http://tim.id.au/laptops/acer/aspire%203680%205570%205580.pdf

and Page 10 of the manual
Display Keep your display clean. • Keep your head at a higher level than the top edge of the display so your • eyes point downward when looking at the middle of the display. Adjust the display brightness and/or contrast to a comfortable level for • enhanced text readability and graphics clarity. Eliminate glare and reflections by: • placing your display in such a way that the side faces the window or • any light source minimizing room light by using drapes, shades or blinds • using a task light • changing the display's viewing angle • using a glare-reduction filter • using a display visor, such as a piece of cardboard extended from the • display's top front edge Avoid adjusting your display to an awkward viewing angle. • Avoid looking at bright light sources, such as open windows, for extended • periods of time.
http://www.manualslib.com/manual/205261/Acer-Aspire-3680.html?page=10&term=contrast

http://tim.id.au/laptops/acer/aspire%203680%205570%205580.pdf

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Reflection off of screen


Plasma TV's are known for their glare and reflection issues, you can still fix it by buying a third party anti-glare filter and applying it on your television. For example, "ViewGuard" makes filters that goes up to 65" in size. It is not cheap though, depending on the size of your television.
Of course, the best solution is to adapt your room accordingly. If the glare is caused by the sun light coming from the windows, installing curtains on your windows or moving your television to a better spot is a very effective way to reduce the glare and the reflections on your television.
If the glare is caused by the room's lights, the best solution is to install ceiling spot lights with a dimmer.

Hope that helps!

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1 Answer

I have a CQ56 compaq and do not know which type of screen to order a matte or a glossy screen.


The Two Kinds of LCD Monitors lens1946174_1208282041macbook-matte-screen1.jpg There are two kinds of modern LCD screens: matte (anti-glare) and glossy. Both have their pros and cons and are a subject of many discussions.

Matte screens don't get glare or reflections on them; however, the same rough surface (polarizer) that reduces the intensity of reflected light results in less contrast and brightness since the light from the LCD screen passes through it. Matte screens diffuse light instead of reflecting it so they might be easier to read outdoors, if the backlight provides enough brightness. You don't have to worry as much about reflections as with a glossy screen.

Glossy screens have vibrant colors and the highest contrast and brightness because they have a smooth, high-gloss surface. As a result, it is often the choice for movies or gaming. However, strong lighting causes glare on these screens which is very annoying and may tire your eyes if you have to stare at it all the time. You can also see reflections on the screen. Some graphics designers may also find the colors inaccurate. Glossy will work great for you if the lighting in your room doesn't create any glare on the screen.

http://www.squidoo.com/matte-vs-glossy-screens

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1 Answer

Hi,my name is amitabh. my monitor is compaq 5500 CRT. i want to know about the vga cable in monitor?


Hi


With manufacturing improving, LCD panel sizes continue to get larger all while prices keep dropping. Retailers and manufacturers throw around a lot of numbers and terms to describe their products. So, how does one know what all these mean? This article looks to cover the basics so one can make an informed decision when buying an LCD monitor.
Screen Size The screen size is the measurement of the displayable area of the screen from the lower corner to the opposite upper corner of the display. LCD's typically gave their actual measurements but they are now rounding those numbers. Be sure to find the real dimensions typically referred to as the actual screen size whenever looking at a LCD.
Aspect Ratio The aspect ratio refers to the number of horizontal pixels to vertical pixels in a display. Traditional displays used a 4:3 aspect ratio. Most new monitors use either a 16:10 or 16:9 widescreen aspect ratio. The 16:9 is the ratio typically used for HDTVs. There are even a few ultra wide or 2:1 aspect ratio monitors on the market but they aren't very common.
Native Resolutions All LCD screens can actually display only a single given resolution referred to as the native resolution. This is the physical number of horizontal and vertical pixels that make up the LCD matrix of the display. Setting a computer display to a resolution lower than this resolution will cause extrapolation. This extrapolation attempts to blend multiple pixels together to produce a similar image to what you would see if the monitor were to display it at the given resolution but it can result in fuzzy images.
Here are some of the common native resolutions found in LCD monitors:
  • 17" (Widescreen): 1280x800 (WXGA)
  • 19" (Widescreen): 1440x900 (WXGA+)
  • 21" (Widescreen): 1600x900 (WSXGA+)
  • 22" (Widescreen): 1920x1080 (WUXGA)
  • 24" (Widescreen): 1920x1080 (WUXGA)
  • 27" (Widescreen): 2560x1440 (WQHD)
  • 30" (Widescreen): 2560x1600
Panel Coatings This is something that most people don't think about much primarily because the market may not give them much choice. The coatings of the display panel fall into two categories: glossy or anti-glare. The majority of monitors for consumers use a glossy coating. This is done because it tends to show off colors better in low light conditions. The downside is that in brighter light it generates glare and reflections. You can tell most monitors with glossy coatings either through the use of glass on the outside front of the monitor or through terms such as crystal to describe the filters. Business oriented monitors tend to come with anti-glare coatings. These have a film over the LCD panel that helps reduces reflections. It will slightly mute the colors but they are much better in bright lighting conditions such as offices with overhead flourescent lighting.
A good way to tell which type of coating will work best for your LCD monitor is to do a small test where the computer is going to be used. Take a small piece of glass such as a picture frame and place it where the monitor would be with the lighting that will be used when the computer is. If you see a lot of reflections or glare off the glass, it is best to get an anti-glare coated screen. If you don't have the reflections and glare, then a glossy screen will work fine.
Contrast Ratio Contrast ratios are a big marketing tool by the manufacturers and one that is not easy for consumers to grasp. Essentially, this is the measurement of the difference in brightness from the darkest to brightest portion on the screen. The problem is that this measurement will vary throughout the screen. This is due to the slight variations in the lighting behind the panel. Manufacturers will use the highest contrast ratio they can find on a screen, so it is very deceptive. Basically a higher contrast ratio will mean that the screen will tend to have deeper blacks and brighter whites. Look for the typical contrast ratio which is around 1000:1 rather than dynamic numbers.
Color Gamut Each LCD panel will vary slightly in how well they can reproduce color. When an LCD is being used for tasks that require a high level of color accuracy, it is important to find out what the panel's color gamut is. This is a description that lets you know how wide a range of color the screen can display. The larger the percentage of NTSC, the greater level of color a monitor can display. It is somewhat complex and best described in my article on Color Gamuts. Most basic consumers LCDs range from 70 to 80 percent of NTSC.
Response Times In order to achieve the color on a pixel in an LCD panel, a current is applied to the crystals at that pixel to change the state of the crystals. Response times refer to the amount of time it takes for the crystals in the panel to move from an on to off state. A rising response time refers to the amount of time it takes to turn on the crystals and the falling time is the amount of time it takes for the crystals to move from an on to off state. Rising times tend to be very fast on LCDs, but the falling time tends to be much slower. This tends to cause a slight blurring effect on bright moving images on black backgrounds. The lower the response time, the less of a blurring effect there will be on the screen. Most response times now refer to a gray to gray rating that generates a lower time than the traditional full on to off state response times.
Viewing Angles LCD's produce their image by having a film that when a current runs through the pixel, it turns on that shade of color. The problem with the LCD film is that this color can only be accurately represented when viewed straight on. The further away from a perpendicular viewing angle, the color will tend to wash out. The LCD monitors are generally rated for their visible viewing angle for both horizontal and vertical. This is rated in degrees and is the arc of a semicircle whose center is at the perpendicular to the screen. A theoretical viewing angle of 180 degrees would mean that it is fully visible from any angle in front of the screen. A higher viewing angle is preferred over a lower angle unless you happen to want some security with your screen. Note that the viewing angles still may not translate fully to a good quality image but one that is viewable.
Connectors Most LCD panels have an analog and a digital connector on them. The analog connector is the VGA or DSUB-15. HDMI is now becoming the most common digital connector thanks to its adoption in HDTVs. DVI was previously most popular computer digital interface. DisplayPort and its mini version are now becoming more popular for high end graphics displays. Thunderbolt is Apple and Intel's new connector that is fully compatible with the DisplayPort standards. Check to see what type of connector your video card can use before buying a monitor to ensure you get a compatible monitor. You still may be able to use a monitor with a different connector than your video card by using adapters but they can get fairly expensive. Some monitors may also come with home theater connectors including component, composite and S-video.
Stands Many people don't consider the stand when purchasing a monitor but it can make a huge difference. There are typically four different types of adjustment: height, tilt, swivel and pivot. Many less expensive monitors only feature the tilt adjustment. Height, tilt and swivel are generally the critical types of adjustments allowing for the greatest flexibility when using the monitor in the most ergonmoic fashion.
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1 Answer

I have a Sony DSC T-90 12.1 megapixel. I often


The vertical line can be caused by a very bright object in the image like a lamp or a silver surface reflecting the flash.
The spots are caused by the flash being SO close to the lens. Any object that can reflect the flash reflects it right back at the camera. This is an image problem with most point and shoot digitals. Watch for reflective surfaces and stand at an angle to them. Turn on more lights in the room before using flash. Stand at a slight angle to the image or person you are photographing - don't shoot straight on. (I kneel down and shoot up - makes a good shot too.)
If you are shooting toward the sun, shield the lens from direct sunlight with your hand (Keep your hand out of the picture!)

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1 Answer

When taking pics of paintings or sculptures,have flashback glare


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1 Answer

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I have the same problem with my Mitsubishi and the only solution I have come up with is slightly moving the TV's angle so the reflection is not as bad and closing drapes or curtains. Also turn off lamps. This is a poor design but Mitsubishi is not the only TV that has this type of problem. It is something I have become accustomed to and do not notice it as bad since I have moved the TV angle.

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Photos of souvenir spoons are blurry


Here is the Advanced Manual.
http://gdlp01.c-wss.com/gds/0900001188/PSA540_530CUGad-EN.pdf
See pages 50-52 for what to do. Use a close-up setting and no flash. Also take photo at an angle to reduce reflected glare.

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When it is sunny day try to take pictires with fuji camera z100fd my face reflects on screentherefore i cant take picture i have a hood and antiglare film ao screen but makes no difference


Hi and welcome to FixYa,

To my understanding of your posted problem, it would appear that there is really nothing that could be done. It appears to be a design issue but not necessarily a limitation. You have not posted that pictures taken are affected by the reflection, hence it is more of a user friendliness question. If possible, use it like a conventional camera rather than sighting through the the LCD screen. A possible solution is to increase the backlight but that would require extensive modifications which would not make it economically reasonable nor technically easy.

If you would factor in the modification cost, downtime and the efforts to effect the desired results, you may want to re-evaluate your options and consider seeking a suitable replacement camera.

Good luck and thank you for using FixYa.

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