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Screen brightness is low, only right edge looks like having regular brightness

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Clean inside lenes ,mirror and screen.dust can be the first cause of this problem!
hope this helps

Posted on Dec 11, 2008

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How do I adjust brightness on hannspree tablet


Go to Settings, Display, Brightness. If you have never accessed Settings, do a finger slide from the edge of the screen where you see the battery indicator symbol, and you should see an option for Settings (or a small symbol at top right that looks like a cog such as you see where the chain connects to the back wheel on a bike). Selecting/touching that will open the full Settings menu. Then scroll down until you see Display, touch that, and then find Brightness and touch that. Then you should see a slider. You should also see an option for Automatic brightness control. Some tablets come with this selected by default. Choosing it will cause the tablet to brighten when outdoors or in a brightly lit room, and to dim automatically when lighting is low. I have never liked it, but it works for a lot of people who are not as picky as me, and can potentially allow your battery to last longer. Good luck and enjoy your tablet!

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4 Answers

Is there any way to brighten my screen on my acer aspire 5601 lap top


Examine the keyboard. There should be a symbol on most of the function keys (F1, F2, etc.). Look for one that looks like a sun or lightbulb, either with an arrow pointing up or with the sun/lighbulb filled in. Hold the 'Fn' key, and tap the up/bright sun/lightbulb key a few times. The screen should increase in brightness.

If you cannot find the specified keys, you may be able to adjust brightness from inside Windows. Right click on the battery icon in the taskbar and open 'power options'. Look for a sun and moon with a sliding bar between them. You might also be able to adjust brightness by customizing your desktop (right click on the desktop and look for the proper menu).

Mar 22, 2011 | Acer Aspire 5600 Series 5630-6951 Laptop

1 Answer

I have an Acer Aspire laptop 4810T. It turns on perfectly and everything appears on the screen but it is barely visible. The screen almost appears to be black.


It would seem that backlight for your screen is out. The light may be dead, have a poor connection, or your brightness may be down to zero. To see if the brightness is just low hold the function button "FN" and if you look on the left and right arrow keys there should be a Sun on each one. The left being brighter or filled in, the right darker or hollow. Press the left key while holding the "FN" button. Keep doing this to increase the brightness. If the screen doesn't get brighter there is an issue with the backlight. This is usually covered under warranty. If you still have a warranty contact Acer and they should repair your computer free of charge. If it is not under warranty you may need to replace the screen.

Mar 17, 2011 | Computers & Internet

2 Answers

Luminosity of screen too low


I'm not familiar with that specific laptop, but there is usually a Function key, labeled fn on the lower right by the space bar, and then when you look at the keyboard, some of the keys have small pictures in the same color as the writing on the function key (usually blue) look for the picture that looks like a sun with an up arrow. Most laptops let you adjust the brightness that way. Just keep holding down function and pressing the brightness up key.

Mar 01, 2011 | Toshiba Satellite M30 Notebook

2 Answers

In the past few day i've noticed the picture is


BRIGHTNESS. Your owner's manual probably says that the brightness setting is used to control "brightness" or "picture intensity" or something other fuzzy non-descript term. The truth is that brightness is used to set the BLACK level in the picture.
On most TVs and projectors in use today, brightness is set too high. That's because people think "a bright picture is good, so I will set it as bright as I can get." Well, that's nice in theory, but entirely wrong in practice. Setting the brightness level too high makes a black tuxedo look gray rather than black. It muddies up the shadow areas, and reduces the overall snap and crispness that the picture would have if properly calibrated.
To find the right setting for brightness, go to the image in your movie that has textured blacks and hopefully some shadow/low light areas in which there is detail. Then freeze on that frame. As you move the brightness control down, the intensity of the blacks will increase, and shadows will get darker. As you move the control all the way to zero, you will (hopefully) see that the low light shadow areas will also go to solid black and lose their detail.
The optimum setting for brightness is achieved at just the point where true black objects appear as black as your system will make them while retaining as much visible detail in the shadow areas. Above this point the blacks appear to go grayer. Below this point you lose detail in the shadows. On many video systems, this optimum point is toward the lower end of the brightness scale. But find the point that looks correct to you regardless of where it is on the scale.
CONTRAST. The contrast control is similarly confusing. It is also often set too high on the theory that contrast is good, and therefore we might as well get the most we can out of our set by turning it all the way up. In fact, the contrast setting is used to control the intensity of the brightest highlights in the picture, so it is (oddly enough) the opposite of brightness control.
First, find your test scene in which you find textured whites in bright light, and freeze that frame. You are looking for the brightest elements in the picture in which you want to retain visible detail.
Let's assume you have a whitewashed fence in sunlight. If you start with the contrast set low, the fence will appear light gray rather than white. As you move the contrast control up, the fence will get whiter. Eventually details in the texture of the fence will begin to disappear.
If you continue to push contrast past the optimum point, the wood-grain texture of the fence will go solid white and all visible detail will be obliterated. Push contrast up even a little further, and our fenceposts might actually appear to expand very slightly due to a glow around the edges. This phenomenon, called "blooming" is a definite sign that your contrast setting is overcooking the image (and maybe your picture tube as well—don't ever leave the contrast control set this high!!!)
Find the point at which whites look white while retaining as much texture detail as possible. This is your optimum contrast setting. On most video systems, this setting is toward the higher end of the scale, but it can be anywhere. Find the point that looks correct to you. (By the way, unlike TV's, digital projectors will not bloom)
Now…note the following: brightness and contrast can be to some degree interactive. Your new contrast setting may have affected your brightness. So return to the brightness scene and verify that your blacks are still black, and you still have maximum detail in the shadows. Adjust it if necessary, then return and adjust the contrast setting once again if necessary. (You can see that this is much easier if the black and white elements you are testing all appear in the same image!)
COLOR. The color control on your set determines the level of color intensity in the image. One of the most common errors people make in calibrating their video systems is overdriving the color. That's what makes Larry King look reddish-orange on the TV at the gym. Overdriving color is common because once again, people naturally think, "I want to get as much color as I can out of this color TV, so I will crank it up some to make sure I get the most out of it!" No. Bad mistake.
If you move the color setting down to zero you will notice that your picture will turn into a black and white image. The optimum setting for color is achieved by increasing the setting just to the point where colors look natural and not a bit more! Flesh tones should look natural and without any hint of an unnatural glow. Grass should look naturally green rather than screaming spray-paint green.
When adjusting color, make sure that your test image has relatively unsaturated colors. Flesh tones or natural landscapes are ideal. It is impossible to set color properly if you are using a brilliant red Ferrari as your test subject.
On the large majority of video systems, the optimum setting for color is somewhere near the middle of the scale. However, trust your eyes for the optimum setting and think "what looks like the most natural, accurate reproduction of reality?" Any overdriving of color will make the image look artificial.
TINT or HUE. The tint control adjusts color balance rather than color intensity. It is an easy control to set properly, but for some reason many people don't get it right. When flesh tones look either too green or too magenta, a phenomenon you see with amazing frequency, it is because the tint control is not set properly.
Find a human face and freeze-frame it. (In choosing your test subject, note that lighter skin tones will show errors in tint more readily than darker skin tones). As you move the tint control to one end of the spectrum, the face turns green; as you move it to the other extreme, the face turns magenta (red+blue).
The correct setting for tint is the point near the middle of the scale at which you can detect no hint of either green or magenta. It is the most neutral point between the two extremes. The flesh tone looks the most natural at this point.
SHARPNESS or DETAIL. The final setting is sharpness or detail. Now, pray tell, who in their right mind wouldn't want the sharpest, most detailed picture they could get? And since there is a control that lets you turn it up, why not turn it up? That's what many folks do, and of course it's exactly the wrong thing to do.
The sharpness control adds processed information to the picture that is NOT part of the original video signal. It adds artificially highlighted edges, and makes the picture look less natural than it otherwise would. This is most evident along the continuous edge of a dark object against a middle-toned background. When sharpness is overdriven the dark edge will be outlined by a white ringing effect that increases contrast just along the edge of your dark object. That edge "highlighting" effect is created by the sharpness control. It is an artificial manipulation of the image. It wasn't in the original scene, and it shouldn't be on your screen either.
On most televisions, the optimum setting for sharpness is zero. On many digital projectors, the optimum setting is either in the low or middle part of the scale. Picture tube televisions and digital projectors behave differently in this regard; on a digital projector it is often possible to fuzz the image by setting sharpness too low.
Now look at your picture with the sharpness turned down or off depending on what works best on your system. You will see a smoother, more natural image. It might take some getting used to, since you may be accustomed to viewing video with all the artificial edge enhancements that create the illusion of added sharpness.
However, when the interference and noise from the artificial sharpness enhancer is removed, you are seeing the most genuine reproduction of the video signal that your projector or TV is capable of. And if you view it for a while, you will gain an appreciation for just how smooth, natural, and satisfying the picture can really look.

Dec 12, 2009 | Sony Grand WEGA KDF-55XS955 55" Rear...

1 Answer

The color on the screen is too dark and the print is blurry.


Okay, I can really help with this one, lol. First right click on your background and click properties. Now click the settings tab and look for the screen resolution adjustable bar. set it back if you need bigger font. Now for the brightness...if you're on a regular desktop your monitor will have adjustable buttons. Click on them until you can find brightness. If that doesn't work, then I don't know. I'm on my dad's laptop and his is just fine, I don't even know how to change the brightness to this and I know a lot about computers, so try that.

Jan 28, 2009 | Acer Aspire 5610-4648 Notebook

1 Answer

Bright On left and right edges


OK, Time to fix it !!. Replace two Ic's Stk 392-110, and get in service menu settings , and adjust point by point. After replaced stk IC's, check if any resistor look brown or born, if yes, replaced it with 6.8 Ohms.SOme time SSB is defective ( small signal board, replaced it ) If you have questions? noetvs@embarqmail.com . Good Luck !!

Jun 29, 2008 | Philips 60PP9202 60" Rear Projection...

2 Answers

Low brightness


If your Acer shipped with a "notebook manager" in the Acer folder, check the display settings tab. Look closely at the bottom, there is a slider that will adjust settings if your fn keys are broken, like mine. Again, look carefully because if the slider is all the way left or right, you hardly notice the functionality at all.

Mar 08, 2008 | Acer Aspire 5100 Notebook

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