MacBook :: Screen Brightness Started Diminishing?

Mar 28, 2008

I have a first generation macbook pro and it appears as though the screen is not as bright as it once was.

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MacBook Air :: Unable To Adjust Screen Brightness / Brightness Goes Up And Up

Nov 15, 2010

The brightness goes up when you plug in your MBA, but then over time it just goes up and up. I honestly like my brightness pretty low (rarely more than half, typically at 3-5 notches), but it just keeps on going up and up. I almost never set it above half, but multiple times a day, I notice that it looks pretty high and it's at like 3/4 so I put it it down to about 1/3, but after a while, it's just up again.

Anyone else notice this? What is it, why does it do this? How can I fix it? I don't mind not having auto-brightness (even though I loved it), as long as my screen doesn't keep going up.

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Windows On Mac :: Unable To Adjust Screen Brightness / Screen Brightness Buttons Not Working

Jun 20, 2009

So I installed Vista 64 bit on my Macbook Pro (Santa Rosa), I installed most of the drivers I can find, but I cant get the screen brightness buttons to work (F1 and F2)

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Mac Pro :: Unable To Adjust Screen Brightness / Only Adjusts Brightness On Main Screen

Feb 17, 2008

I have dual ACD's. How do I make it so that both screens have the same brightness? If I adjust the brightness in the display settings it adjusts the main screen, but then not the other one. How do I make them the same?

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IMac :: Increase Brightness Of Screen / Screen Brightness Is Dim

Nov 28, 2010

I have the 21" iMac and need to brighten the screen. How do I do this?

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MacBook Pro :: Screen Flickering / The Screen Brightness Dims And Then Brightens Very Quickly?

Jun 15, 2009

Has anyone noticed a very slight flicker on their new MBPs? I have a new 13" and, every so often, the screen brightness dims and then brightens very quickly (happens in less than a second).The option for auto-adjusting the screen brightness is off so it's not that particular function.It's most noticeable on all-white backgrounds both on AC and battery power. Hard drive access doesn't seem to coincide with the dimming.

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MacBook :: Screen Changes Brightness Randomly / Screen Suddenly Become Little Dimmer

Jan 19, 2009

lately, my mba has been behaving a little weirdly. its screen would suddenly become a little dimmer when the brightness in the room has not changed a bit. after a long while(15 min?), it'll turn brighter again by itself, and again without any change in the lighting of the room. the change is not big but obviously. any idea? can it be some software? or setting? or a defective light sensor?

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MacBook Pro :: Screen Has Started To Black Out

May 19, 2012

Screen has started to black out

Info:
MacBookPro, iOS 4.3

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MacBook :: Screen Has Started Flicking Since Installed 10.5.7?

Jun 6, 2009

This i dont think is serious and i am not sure what is causing the problem, basically my Alu macbook 2ghz' screen has started flicking, this has only started to happen since i installed 10.5.7 but only happens when my power adapter is in, it doesn't happen all the time but basically when i put my adapter in and the light isn't on then my screen starts to flicker.

It does stop flickering after i remove the charger and put it back in and then the light on it works.would you say its a problem with my screen/charger/something else?

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MacBook Pro :: Can't Start Up; Stuck At Gray Screen- Started W/ Skype

Apr 21, 2012

my mom's Macbook Pro can't start up.  it gets stuck at the grey screen w/ the Apple logo and spinning pinwheel every time.  nothing else is plugged into the laptop aside from the power cord.  

here's what i tried already, but to no avail:

  - Reset SMC

  - Reset PRAM

  - Hold shift while starting up... nothing happens.  So can't start in safe mode

  - Used install disk to run Disk Utility diagnostic: Ran into a bunch of Disk Permission errors and fixed those.  Nothing wrong on the Disk itself.

  - Held Command-S while starting up and typed "fsck -fy".  Got "File system was modified" at first.  Ran it again and got clean bill of health there

  - Held "d" while booting, ran the hardware test and it checked out fine. 

after all of the above, tried waiting for it to restart for 15 minutes and still same spinning wheel.   

this all started when a Skype update couldn't install, so i got rid of the current Skype.  then tried downloading the new Skype. after it supposedly downloaded fully and it was automatically processing in the download pop up window (e.g. something about "writing", "image", etc.), it got stuck and froze the computer for at least 5 minutes.  at that point, i help the power button until it turned out.  then this started..

PS: not sure if this has anything to do w/ the problem, but after this happened, i tried to use Disk Utilities to make an image onto an external hard drive and it gave me an "operation timed out" error. 

PPS:  she has the following specs -

Hitachi Hard drive; partition Map Scheme: GUID Partition Table

[Code]...

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MacBook Pro :: Just Started Getting A Green Line Down The Left Hand Side Of The Screen

Jul 5, 2012

what does it mean to have  green line on your screen?

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MacBook Air :: While Reading Email Images Screen Started To Scramble And Shake

Sep 12, 2014

While reading an email, the images on my computer screen started to scramble and shake. I immediately tried to exit from the email and I tried to log off the computer to make it stop but the computer for several minutes would not allow me to do so. Eventually I was able to turn off the computer but later after I got back on, it did the same thing for a few minutes after i had been on a while.

Info:
MacBook Air, OS X Mavericks (10.9.4)

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MacBook Pro :: Keeps Changing The Screen Brightness?

Sep 15, 2007

I just got a new 15" MBP and it keeps changing the screen brightness by a couple notches either way on it's own. Anyone have/heard of this problem?

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MacBook :: Screen Too Dim Even At Full Brightness

Mar 4, 2008

My MacBook's screen is pretty dim, even at full brightness. The iPod Touch far outshines it and even a Sony PSP is brighter.

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MacBook :: Display Brightness - Screen Go Dim After Sometimes

Oct 10, 2009

Recently, after about 5 minutes of use (not sitting idle), my MacBook's screen will go very dim. I hit the buttons on the keyboard to take the brightness all the way up, but it doesn't get much brighter and there's only one thing that I can do to make the screen go brighter: I go into System Preferences and click Display. The second I click that, the brightness returns without me doing anything in the Display section, so after Display comes up, I just close it out and the screen brightness is fine for a while. It seems to do this after the lid has been closed for a while and then starts dimming again after opening the lid and using it for about 5 minutes. Is there a way to fix the auto-dim mode without disabling it? MacBook (white) is running Leopard 10.5.8 with all the latest updates.

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MacBook :: Screen Brightness Level Down All The Way

Apr 7, 2010

I dropped my laptop on a tile floor and the bottom hit it flat. my computer works fine besides the fact that my computer screen's brightness is as if my brightness level was all the way down.

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MacBook Pro :: Setting Screen Brightness To Max?

Jun 2, 2010

I find it you have to or it will be too dark.

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MacBook Pro :: Screen Brightness On Windows 8?

Jul 1, 2012

I wanted to check out Windows 8 so i decided to install it using Bootcamp on my Macbook Pro. I installed it successfuly, along with the Windows Bootcamp drivers, but my Display is VERY dim, the brightness is all the way up to the Mac. I rebooted the Macbook Pro and ran OSX and the brightness is fine, but on windows is very very dim and idk how to fix it.

Info:
MacBook Pro, Mac OS X (10.7.4)

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MacBook Air :: Brightness Key - Change Indicator On Screen But Not Actually

Feb 10, 2008

When I push the brightness key on the keyboard, the appropriate image comes up on screen and goes to full brightness, but the actual brightness of the screen doesn't change and the lack of change is reflected correctly on the brightness slider in System Preferences.

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MacBook :: Set Screen Brightness Battery / Power?

Jan 19, 2009

I am just wondering if there is a way to have a brightness preset for when the macbook is plugged into the wall and running on battery?Eg. When plugged in I want 100% prightness, but when running off battery it automatically lowers the brightness.Right now I manually lower it and some times forget.. especially times when I need that extra bit of battery power

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MacBook :: Screen Brightness Affected By Electricity?

Mar 22, 2009

I have the aluminum MacBook (<3) and it is often found on my desk, in front of my aluminum desk lamp. I was writing a paper and had one hand on my touchpad and touched my (off, but plugged in) light with my other hand. My screen dimmed just a little bit, approx the brightness between the two highest lighting levels. Even when not touching my touchpad, just touching my light, my screen did the same thing. Depending on WHERE on the lamp I touch, it affects the brightness... but only on the bell surrounding the light bulb, no other components of the light.

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MacBook Pro :: Cannot Control Screen Brightness On Windows 7

Jun 24, 2009

I don't know if anyone posted this issue before. I can not control screen Brightness on my MBP 13'. I tried my F1 and F2 key and the Nvidia Control Panel, either of them is working. I installed all the drivers from the CD and it can actually show the icon in the center(bottom) of the screen when I hit the F1 or F2 Key. However, the brightness adjust does not work,the screen stay the same.

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MacBook Pro :: Screen Brightness Self Adjusts / Moves

Jun 29, 2009

Just bought a brand new 15" MBP, and immediately after unboxing the screen brightness seems to just move/adjust without adjusting via brightness buttons.

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OS X :: Setting MacBook Screen Brightness To 0 And Keep It As Default?

Aug 31, 2009

I have a macbook and a screen plugget to it. Now I use just the new screen and don't use the macbook one. But every time I turn the mac on the macbook screen turns on, and I have to decrease the brightness manually every time. (cause it's a waste of energy to keep it on if I don't use it). So I'd like to know to set the screen brightness to 0 by default, so I don't have to turn the brightness down every time.

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MacBook Pro :: System Uses Less Electricity With The Screen Brightness Down?

Sep 29, 2009

(Electricity as in AC power.) I've been using the brightness controls (F keys) to turn off the screen at night and leave my computer running. I just assumed it uses less AC power that way and I'm saving some electricity but I don't know a lot about electricals to confirm my theory. Does anyone know?

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MacBook Pro :: Screen Brightness After LASIK - Big Difference

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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MacBook Pro :: Screen Brightness Keeps Raising And Lowering

Jan 17, 2010

So today my screen has been acting up on me, it keeps lowering and raising the brightness all on its own. The brightness indicator that pops up when you push the buttons does not show up, the screen just gets brighter or dimmer for a few (10-30 seconds) then goes back to where I have it set at. My battery level is at 64% and it is not plugged in.

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MacBook Pro :: Awake From Standby Screen Brightness Low?

Apr 1, 2010

I downloaded the latest software update for Leopard. I've noticed that when I wake my MBP from sleep, the brightness of the screen is very low. I have to click on "F2" to increase the brightness of my screen.

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MacBook Pro :: Reset Default Screen Brightness?

May 12, 2010

I have a 2008 Unibody Macbook Pro running Snow Leopard 10.6.3. I want to reset the default ambient brightness, because it stopped changing by itself after I manually changed the brightness with the keyboard. I made sure that ambient light changing was enabled in the System Preferences. From past experience, I think that deleting the preferences.plist file will do the trick, but I'm not sure. Any suggestions?

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MacBook Pro :: Brightness Inconsistency In Center Of Screen

Apr 24, 2012

My screen has a strange brightness inconsistency in the center of the screen where the Apple logo is. It is as if the pixels surrounding it are not the same brightness as those of the remainder of the screen. It was purchased on 4/11/11 so warranty is not an issue (I have Apple Care).

Info:
Mac OS X (10.6.8), 8GB RAM, 2.2 QuadCore i7, 15.4

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