MacBook Pro :: Difference Between Normal And TFT Screen?
Jan 16, 2010
I have myself a unibody macbook 13'' and was searching for a unibody macbook pro 13" because of the longer battery life. On an auction site I've found a company that sells a unibody macbook pro 13" with a TFT screen and a resolution of 1280 x 800.
Now I have searched on the internet, but I couldn't find anything about a TFT screen on a 13" unibody. My question is: what is the difference between a normal LED-screen and a TFT-screen. Should I go for it of is the quality much worse?
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Jun 20, 2009
Difference between mini macs and normal ones?? will the mini osx work for my ibook 800 mhz?
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Aug 24, 2014
I have a MBA 13" late 2012. It was working fine and suddenly one day exactly left half of the screen went bright and right half was normal.There was no drop, nothing. It's exactly straight half line in between the screen. Where left part of the screen is brighter.
Info:
MacBook Air, OS X Mavericks (10.9.4)
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Jul 1, 2012
What is the difference between a normal folder and a Smart Folder?
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iMac, Mac OS X (10.7.3)
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Jun 3, 2010
My pops brought his macbook (older one) cross the boarder and on the way back i guess they took it apart and now when hes using it the screen goes from normal to random colors ( like the white noise things on tv, but colors) i will take pictures.
dad bought a mac book pro and i really dont want to keep using this Shi* acer so im trying to fix his old macbook.
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Apr 7, 2012
does apple macbook pro contain HD led screen or is it just normal? well i know that the laptop comes with dvd rom and not bly ray but still if i have got HD videos and i play those videos. will they play in HD mode? and if yes than how many p does it support? 240 , 480 , 720 or 1080 p?
Info:
MacBook
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Apr 29, 2009
It is widely known that the macbooks screen has poor viewing angles and black glowing problems. I found an article that explains why this is so and why the macbook air does not have this problem. Originally all TN based lcd screens suffered from this. To help this problem manufacturers came up with the idea of adding additonal films to fix these viewing angle difficulty which increased the viewing angle threshold before that screen inversion occured (black becoming white/white becoming black and so forth). This article gives a technical explanation of it.Quote:Birefringent film increases LCD viewing angleSunny BainsTwisted-nematic liquid-crystal displays (TN-LCDs) have two major disadvantages when being viewed by more than one person. The viewing angle of the display is limited, and there are gray-level "inversion zones" in which black becomes white and vice versa. Researchers at the Fuji Photo Film Company Ashigara Research Laborato- ries (Kanagawa, Japan) have developed a method of pre- and postcompensating for the birefringence of liquid crystal, thereby increasing the viewing angle but without sacrificing brightness.
The link between birefringence and viewing angle in a TN-LCD is not obvious. Displays are generally backlit with a wide-angle light source. The light first passes through a polarizer that discards about half of it and allows the remainder to pass. This light is now polarized parallel to the direction of the liquid-crystal alignment at the bottom of the liquid-crystal cell. The orientation of the crystal changes gradually, however, twisting and tilting so that the alignment at the to�of the cell is perpendicular to that at the bottom. The polarization of the light will be rotated with the orientation of the liquid-crystal molecules. The light can then emerge through a polarizer at the to�of the cell, which is crossed with the polarizer at the bottom.
This technique only works properly, however, for light coming in at right angles to the cell. Though light entering at, say, 30 has the same nominal polarization as the light that is normally incident--because it passed through the same polarizer--the 30 light experiences the liquid-crystal cell very differently. The polarization components are effectively tilted and so are not as compatible with the birefringence of the tilted, twisted-nematic liquid-crystal molecules. Instead of being neatly turned, the polarization of wide-angle light can be severely skewed by the cell, with perpendicularly polarized components being "pulled" in different directions. Such unwanted manipulation means that much less of this light makes it through the second polarizer and so into the corresponding output angle for the display.
The only way to work around this problem is to make the light travel through the same kind of chemical structure but with opposite (negative) birefringence properties (see Fig. 1 on p. 53). In this way, any polarization skew can be inverted and subsequently neutralized. Fuji researcher Hiroyuki Mori has accomplished this by using a negatively birefringent discotic compound--a substance made u�of disk-shaped molecules--and tilting them to emulate the liquid-crystal structure.1,2 The "twist" is achieved by "crossing" the films--matching their orientations to the rubbing (alignment) direction of the to�and bottom of the liquid-crystal cell (see Fig. 2).
By using the compensator film, Mori was able to enhance the vertical and horizontal view zones of a TN-LCD and completely eliminate the upper inversion zone. For instance, the upward vertical angle at which the contrast ratio dropped to 10 (from 100) increased from about 25 with a normal display to 40. The lower inversion zone, which could appear when viewed from almost any angle below the normal, was pushed down so that it could never be seen above -20. It could not be eliminated, however, because the compensation film is not active and cannot, therefore, compensate for pixels that are off.
Though making the compensation film switchable is not currently being researched, other improvements are possible. In particular, Mori`s simulations show that birefringence compensation would be more effective if the "twist" of the compensator more accurately imitated that of the liquid crystal.This is now referred to as TN+FILM and is used in almost every desktop lcd.
The macbook does not have those compensation films which is why it has a poor contrast ratio and has poor viewing angles. The macbook pro and air have these additional films as do most non apple computers with the exception of a fewer low end manufacturers.
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Apr 4, 2012
My LED screen has gone wrong, it's like it is showing in negative.getting it back to normal.
Info:
Mac Pro (Mid 2010), iOS 5.1
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Jun 15, 2012
This morning my MacBook Pro will not boot to the normal Lion screen. Pressing the Alt key during the start process I do get to the Macintosh HD, Recovery HD, Choose Network screen. The mouse moves around, the keyboard works, obviously the screen works, it appears to connect to the network.  I did notice when I double taped on the mouse pad it didn't work. What should I do next?
Info:
MacBook Pro, iOS 5.1.1
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Jun 28, 2012
suddenly my screen color changed to negative/black on white. but when i inverted the screen did not back to normal quality. the trace or shadows remains when i move the window. when i log out it turns again to negative form. and when i log in it seems back to normal. but it does not have the same quality and sharpness.Â
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Nov 23, 2009
I've been wearing contacts all my life in order to get 20/20 vision. And until last week I always had to have my brightness on the highest setting while I was at the office with fairly bright overhead lighting. While using the computer at home with the lights off/dim, I still had to have the brightness set to 4 bars shy of the brightest setting in order to see everything properly. And I never understood when I would see people on here saying they had their brightness set to the lowest settings and it was plenty bright for them to see. Last friday I had LASIK done.
And since the surgery I now have 20/15 vision in both eyes, which was expected. But one thing I did not expect was the difference in brightness. Now in the same office setting I have the brightness set to 40-50% brightness and it's still almost to bright. And at home I set the brightness level to 1 bar and it's more than enough to see every detail on the screen. In fact, I now wish there was a lower brightness setting than the lowest bar. The best part is that, while running on battery, I can now get another 30-40 minutes out of usage with the brightness set so much lower. Now if I could just figure out how to get my volume to not jump to 70% when I plug my headphones in I would be very pleased.
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Jun 21, 2012
I did some searching and the posts I found were a few years old so i figured I would ask again for a more rescent answer.I am currently looking to buy a new laptop to replace my junk of a laptop (Dell Mini 10v) that I bought a few years back just to take notes during classes. These days I am looking for something capable of more then just web, email, etc. I am looking to do some programming, video editting and a game once in a while. As nice as they are, I do not need the retina display, so I was considering the 15" priced at $1,799. My questions are as follows.
1: Is it worth it upgrading to the 8gb of ram (was probably going to anyway)?
2: Does the 1680x1050 Hi-Rez screen make much of a difference?
3: As I would most likely be paying either completely with cash or a combination of cash and my Visa (depending how my medical bills are this month), can I get these customizations either directly from the Apple store, or sent to the Apple store from the website so I can pay at the store instead of online. I am really not up for applying for their BarclayCard, although If that is my only option I might just go that route.
Info:
iMac, Mac OS X (10.6.8)
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Aug 20, 2010
I have been experiencing a problem lately. Once a while my MBP '10 screen will have a sudden drop of brightness and then back to normal. Does anyone have similar problem?
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Mar 17, 2009
I was trying to install Windows XP Pro, but for some reason the it wasn't showing another HDD to install Windows on. So I quit the install, and restarted my computer. Now all that happens is the normal grey screen appears (with no Apple logo), then it goes to a black screen and has the blinking cursor (Kinda like DOS).
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Jul 1, 2009
I just purchased the 2.53 Ghz 13" MBP four days ago from the apple store. Well my Gf just ordered hers about 5 days ago and it arrived today. She has the 2.23 Ghz MBP, 2 gb, 160 gb hdd and she also bought hers new.
I opened up and checked what screen model i have and it is different then hers. Mine is 9C9E. Which i thought was the updated screen.
Well hers is 9CBD. Im very confused.
Does anyone know the difference in screens? Should she have got the updated screen like I did?
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Jun 13, 2008
So in a half-drunken stupor I dropped/threw my MBA on a mattress. The problem was that it was 'open', with the screen at its normal up position of maybe 135-degrees-or-so from the keyboard. Upon landing on the mattress, something in the hinge literally snapped (it sounded like a plasticky snap) and the screen went all the way backwards until it was flat - think 180 degree angle between keyboard and screen. Nothing seems to be malfunctioning yet. It's working just as before, except now there's a bigger tilt-back angle for the screen... I can tilt it back literally as much as I want. My question to you guys, assuming someone else has done this, is whether in the long run it's going to bite me in the ass. Because something definitely broke, I'm not sure whether what broke was 'important'.
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Feb 19, 2009
This started very suddenly today. I was in finder looking through some pictures when my screen suddenly turned blue. After a second, it faded back to normally, so I continued what I was doing. After about 5 minutes, it happened again, but faded back. It's be less than a half-hour, I haven't touched the computer but the screen is turning blue than fading back every half a minute or so. Every now and then, the screen stays blue for about 20 seconds.
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Feb 14, 2012
I keep having the screen turn blue and then suddenly go back to normal. It's a quick flash, totally random, repetitive during operation, no noises, and nothing else is interrupted. It does not restart, log off, or try to. Is it about to die?
Info:
MacBook Pro, Mac OS X (10.7.3)
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Mar 18, 2007
Is it possible to make the imac g5 lcd screen into a normal lcd screen that connects to a normal computer through something like VGA?
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May 12, 2010
My 2010 13" Pro seems to have some blue/magenta light leaking from the bottom of the screen. This is only visible with the brightness turned up and against a black background (i.e. when watching a letterbox movie). It's quite different from the "typical" white light leak that I've witnessed on other lcds. Would this be "normal"?
Also - and this may seem like nit-picking - but my caps lock key feels a bit flimsier than the rest of the keys. Again - is this "normal"?
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May 14, 2012
I was trying to type a degree sign on a web page and it enlarged by screen. Now it jumps all over the place and is too large. How can I fix this?
Info:
MacBook (13-inch Early 2008), Mac OS X (10.7.3)
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Apr 30, 2012
I tried to connect to a montor with a DVI connector but it's not getting a signal. Is there a quick fix? (School project today!!)
Info:
MacBook Pro, Mac OS X (10.6)
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Mar 26, 2012
This is my first Mac so it's pretty much foreign to me. I was holding down control and accidently used two fingers to zoom on my track pad, and it zoomed in on my entire screen. How do I zoom out and get my screen back to normal?
Info:
MacBook Pro
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Mar 30, 2012
My I-MAC will not go into normal operation when I press a key on the keyless board. New batteries are installed just this AM.
Info:
IMAC, Mac OS X (10.5.7), n/a
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May 15, 2012
Screen will go completely black for a second then back to normal display.Makes no difference what application I'm using. Within last 10 minutes went black for 4 times. Does not power down, just screen goes black.Contacted support via phone, they had me shut down, unplug power cord, then plug in and start. Appeared ok while I was on phone with support.Didn't use imac for 1 1/2 hours, now I notice it going black again.
Info:
iMac, Mac OS X (10.6.8)
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Aug 26, 2010
Is there any easy way to tell whether I have a dead pixel or something under my screen? I have a small dot that shows up no matter what color I test the screen with (but is obviously harder to see with darker colors).
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Sep 29, 2010
Over the last few months there have begun to be hundreds of blue horizontal lines running across the screen and the sound fragmented, with the Mac crashing over 5 times a day. Normally, I would restart and the problem would be OK for a while.
However, now when I turn on hundreds of horizontal black/green lines appear in colums, the normal apple symbol comes up with the spinning loading item. Then a blue screen will appear and the normal log on profile selector doesn't appear. Then after a while the blue screen is covered the thousands of these black/green lines.
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Jun 17, 2012
I have tried esc, command + control + F, holding down the control key and scrolling with the mouse, tapping on the mouse, and making a pinching motion on the mouse. How do I get my screen back to normal size?
Info:
iMac, Mac OS X (10.7.4)
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Jun 4, 2014
During the boot-sequence the screen of my Imac 27" flashes green (once), then returns to normal. This does not happen when I boot my Windows (Bootcamp) partition, so I assume this is some kind of OSX driver error. This started to happen only after I installed the latest patch (10.9.3). How to get rid of it ?
Info:
iMac, OS X Mavericks (10.9.3)
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Jun 5, 2014
Upon start up my screen goes to normal gray w/apple logo and spinner then goes black. Cursor is visible and still is moveable but nothing else. I safe booted and bar came up also but then back to black screen.Â
Info:
iMac, Mavericks upgrade
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