MacBook Pro :: Screen Changes Brightness From Time To Time
Jul 13, 2010
Since I have purchased my MBP the screen changes in brightness from time to time. Its been about a little over 7 weeks of ownership and I have noticed it for awhile but now it bothers me a little. I use my MBP 15 i7 4gb ram HD AG in class/school majority of the time. In class I use my MBP at about 1/2 brightness (compared to full) in this fixed setting I have had the brightness flicker between bright to slightly dull and back. I have not dropped my MBP nor any other sort of damage so that's out of the question.
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Sep 8, 2009
I recently purchased a unibody macbook pro 2.8Ghz (awesome machine by the way) and was wondering whether would the LED screen get dimmer over time like the previous non unibody models?
When I had my powerbook and non unibody macbook pro, I had a habit of keeping the brightness at full and realize after a while it starts to get dimmer and dimmer. A good fren alerted me to try and keep the brightness at 50% to conserve battery life was wondering do u any of u notice the same dimming occuring on ur UMBP?
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May 20, 2010
Just had apple replacing the display on my rev b air due lose hinges, I think this new display much brighter then the old display. It is just a psychological thing? or does the screen actually losses brightness over time/usgae?
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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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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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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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Feb 27, 2012
does keeping a high brightness level all the time effect performance or display?
Info:
iMac, Mac OS X (10.4.1), 27"/4GB/2.7GHz/intel core i5
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Nov 28, 2010
I have the 21" iMac and need to brighten the screen. How do I do this?
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May 5, 2012
I've had my mac for about three years now and everything was working fine. After I installed lion, I notice that this started to happen. I don't lose any of my information though when it does that. It just goes into a sleep mode I guess? Anyways, is this a feature from the lion update? Something standard?
Info:
MacBook Pro, iOS 5.1
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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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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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Jan 25, 2009
I've had my unibody 2.0 since November. It's always said 5 hours or so when i open it up fully charged. This week it's started fluctuating wildy. While typing this post it's gone from 3 hours 23 mins to 4 hours and five mins....it started at 2 hours....now it's up to 4...very odd. Any ideas on why this has started happening all of the sudden?
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Aug 30, 2010
My screen works fine for the most part, but sometimes it goes really dim. When I move the lid, it goes back to normal. What is causing it to all of a sudden go dim? I have Apple Care for my Mac, but I've installed a new hard drive and new RAM; does that void my warranty?
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May 22, 2012
How can I have to different windows open on my screen at one time? Kind of like a split or shared screen.
Info:
MacBook Pro
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Jul 6, 2009
After a few months of confusion, I think one of my USB ports is dying. I had been plugging a My Passport HDD into my left USB port and a fan/hub (plus other things into the hub) into the right USB port. I had been having problems using Time Machine even with a HDD attached to my computer, so I figured the HDD was bad. I bought a new one (Seagate 1.5TB at $120) and planned on using another 500GB drive I have for Time Machine.
At the same time, I had been plugging my new iPhone 3GS into either ports on a hub on that right port chain or directly into it. The phone would eject and reconnect a lot when doing that. When I tried it on the left USB port or even connected to that hub coming off the left port, no problems. I plugged up a different HDD to the right side. It also began ejecting and reconnecting from time to time.I think my USB port is going bad, but I'm not sure because I have never had one that worked well and then stopped on a factory-built system. The only other time I had problems was when I bought a big, fancy PC case with about 800 ports and one or two out of 500 on the front wouldn't work. This is a much bigger problem on a MacBook Pro. If this port does sound bad, would it be worth investing in an ExpressCard USB port card? I have a good 4 or 5 devices that I need plugged in, but I think I can manage using the fan/hub device for most of it.
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Aug 5, 2010
My date and time resets each time my mac sleeps or is reset or if I open date and time options. It keeps sending emails of my old reminders from 2008/2009 from ical and my to-do list emails me its reminders. This happens every time I open my comp or even just open date and time options. I also get the ical reminder notification that pops up freezes on my screen.
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Apr 16, 2012
Cannot Start up macbook, noise fan sound, 1 time alert many time
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Info:
MacBook Pro (13-inch Mid 2010), Mac OS X (10.7.3)
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Dec 11, 2009
I have looked into this a lot already. It is to much that Time Machine backs up every single hour! It would be nice to set it to something like 3 or 5 hours. I have tried a 3rd party app to do this, but... If my computer was off or asleep when it was supposed to back up, it would get an error. It would not just do the backup when i turned it on or when it came out of sleep like stock Time Machine does. I have also seen a way to change the time incraments in the Terminal.(I am very good with it, not a noob) I have tried this and it screws up time machine completely. Maybe it does not work with the newest OS X. By the way... I have a 2010 MacBook Pro, got it 2 months ago.
Does anyone know a solid 3rd party app, that will work seamlessly. Or has anyone changed the time in Terminal and are currently using something different than 1 hour. There is a lot of examples online, but I would like the codeing that you literally used.
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Apr 5, 2008
My MacBook Pro locks up and shows the message "Please reboot your computer by holding down the power button" every time that Time Machine tries to run a backup. I turned off Time Machine and no more crashes... Sorta makes my 500 Gig Time Capsule useless.
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May 28, 2010
This has been the case for at least the last 3 machines I've had. Occasionally if you have firewire 800 plugged in the machine will not boot or sometimes the machine will hang and go into spinning wheel and only if you unplug firewire will it come out of it's hung state?When you boot you sometimes end up a white screen and only if you unplug FW800 will you get past that point.
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Apr 29, 2012
I am using macbook pro. I changed my wallpaper to the ones provided by apple in system preferences but after a few mins my screen changes to blue while I am still using it, also when I turn it on after sleep same thing happens its blue! I have no idea whats going on I already checked software updates everything is fine.
Info:
Mac Pro, Mac OS X (10.6.8)
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Jun 13, 2012
my macbook pro keeps freezing and the screen changes color all the time. my mouse track pad is also cracked. i still have apple care.
Info:
MacBook Pro (13-inch Mid 2009), Mac OS X (10.7.3)
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Jun 5, 2014
Recently, my screen has been going out. Sometimes when I start it it will stay on until I touch the keyboard. Is there any way to troubleshoot it before taking in it to see if its not the bulb?
Info:
MacBook
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Mar 12, 2012
How much time can you use the face time software? I mean, how longer is the licence?
Info:
MacBook Air, New MacBook Air 13" display
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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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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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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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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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Jun 2, 2010
I find it you have to or it will be too dark.
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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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