MacBook Air :: My Laptop Screen Keeps Dimming And Brightening By Itself
Apr 8, 2012
I've discovered that if I am reading a book or have my hand up in the line of the camera and the 'sun' or 'light' the screen goes dimmer, but if I move it away the screen gets brighter. It's quite frustrating! How do I stop it? In system preferences, in enregy saver, I have unchecked the '
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Aug 26, 2010
I just got a brand new MBP (6,2 and 10.6.4) but it's not my first. My previous MBP had the ambient light sensor that I could turn on and off via the system preferences (as mentioned in this thread) so suffice it to say, I know what it looks like when the screen dims and brightens. (I loved hovering my hands over the speakers. It was like magic to my PC friends.)
Now, I'm having an issue with my new MBP. I have my preferences set to adjust the brightness based on ambient light. And since the light sensor has moved to the microphone, it still does that just fine.
My problem is that I'm experiencing random flashes of the screen where it dims quite a bit rapidly but only for a short moment before returning to the original brightness. This occurs randomly in different light settings but most importantly when the light around me hasn't changed at all. And it has occured about once or twice a day for the last few days. I've even tried pressing my thumb over the light sensor really fast to see if it was the light sensor but try that and you'll see that it's actually really slow.
My other problem is that my screen is randomly resizing/zooming in on things. (I suspect this may be me doing some trackpad trick I'm unaware of but I've tried everything I can think of to replicate it and nothing works) Anyways, say I'm on my desktop and mousing over (with one finger) to open a folder or file. All of a sudden, all of the folders resize drastically. Or I'm in Firefox and a site loads. Then all of a sudden (*insert poltergeist*) the website zooms in or out. (like when you press cmd + or -) And it's always zooming in, never out.
Does anyone know what is going on with this? I don't know if the two things are related or if all of this is just really really stupid user error.
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Jun 25, 2014
My computer has recently started auto dimming when in darker rooms of the house, i know its an issue with the light sensor because I've held a flashlight to it and it instantly brightens, however, i have unchecked the "automatically adjust brightness" box in the system settings and it continues to dim it's self even when unchecked and brightness is on full. It isn't the result of any recent updates, as there haven't been any in some time and it's only started in the last two weeks.
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Mar 30, 2009
I'd love to be able to do something more useful with some of my function keys than the default set-ups of brightening the screen, the keyboard backlight etc.For instance what I'd like would be for F5 and F6 (the keyboard backlight keys) to change the lighting only if combined with shift or the cmd key.And then remap the keys so that, for instance, by pressing F5 I could switch to/open my Mail app [rather than clicking on it in the dock]. Or that simply pressing F6 might open a new compose message window in Mail.I'd happily pay for software that lets me do this kind of thing, if necessary.
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Apr 26, 2012
why does my screen keep dimming and coming back on
Info:
MacBook Pro, printer and email
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May 28, 2012
My brand new Macbook Pro's screen keeps dimming the screen all the time regardless of which setting is it on. Its the first time it does that today and it's so annoying!I have the following options: Put the hard disks to sleep when possible, slightly dim the display when using this power source, automatically reduce brightness before display goes to sleep and restart automatically if the computer freezes. The only thing that is check marked is Put the hard disks to sleep when possible and automatically reduce brightness before display goes to sleep...
Info:
MacBook Pro
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Jan 14, 2007
I encountered a problem this evening with my Powerbook G4 15 inch Powerbook. When I was opening the Powerbook, awakening it from sleep it seemed there seemed to be an abnormally bright flash, then the screen went almost completely blank. Luckily, I was able to see enough to burn my docs to a disc in the event this was a serious problem. It seemed the rest of the laptop was fine.
When I restarted the computer, the screen appeared to be fine. I ran Onyx in the event it could clean anything up, and when it was running the screen appeared to go attempt to go to sleep again (although it was not set). Touching the trackpad immediately woke it up without a problem. After restarting after Onyx finished and using it for about a half hour I have not encountered the problem since.
Is this a sign of a failing LCD or possibly a bigger problem or just a harmless isolated event? Is it worth trekking over to the Applestore? I'm covered under Applecare.
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Sep 6, 2008
when I cover the sensors at either side of the keyboard. This happens a lot when I am typing at it really bugs me. I think I managed to turn it off before but it has started again and I can't remember what I did.
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Aug 30, 2009
I'm having a brain fart, but since I've installed 10.6, if I don't touch my mouse for 1 minute or so, the screen dims. It didn't use to do this before, and I'll be damned if I can figure out how to fix it. My cord is plugged in, and under energy settings I can't see anything related to this...how do I fix this? Is it acting as though I am running off of battery power, and dimming after a minute. I even changed the settings to NOT dim, even on battery power.On another topic, this update actually cost Apple money, because I was planning on buying a new MacBook Pro, but I zeroed out the hard drive and did a clean install, and my old Mac is so fast now, it is as if I DO have a new MacBook!
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Sep 1, 2006
I'm experiencing a problem with my monitor on my 1.67 GHz PowerPC G4 recently. A few weeks ago the monitor would dim when extended past parallel. Now It dims past 30 degrees. It seems to be getting worse by the day. Anybody have any ideas why this is happening, and more importantly; how to fix it? By the way, I don't know much about the insides of these things.
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May 5, 2010
is there a way to stop the Macbook Pro display from dimming automatically?
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Mar 14, 2012
Just recently I purchased a MacBook Air 13'' (1.7 GHz, 4GB, 256GB) with Lion installed in it and I have got an external monitor attached to it. It's been working really well for a couple of weeks, but in the last couple of days I have noticed how my browser windows, and only those!, for either FireFox, Chrome or Safari, keep dimming themselves while I am on other windows from other applications as if they were inactive, when they are not, because I am using the Mac still. And I can only get them to work again, i.e. loading Web sites, only after I click on them to activate them, which is annoying, because I may be on another window, would need to click on a link and it won't load on the browser window till I have clicked on it, on the browser window, that is.
I have searched in Google and found a couple of articles where it was highlighted how the problem may well be with the Settings under "Energy Saver" and I have got unticked in there for "Slightly dim the display when using this power source" and "Automatically reduce brightness before display goes to sleep" and still the same problem. Other articles suggested that I would try Caffeine and install it to get rid of the dimming of the screen, but even after installing I still have got the issues and I am, at this point, running out of ideas.
Info:MacBook Air, Mac OS X (10.7.3), 4GB, 1.7GHz, 256GB
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Apr 28, 2007
I've noticed that the ambient light sensor in the MBP can be somewhat sensitive. Sometimes an action as simple as moving my hands up to the keyboard (from the side) triggers the "auto-dimming" feature of the screen and it slightly reduces the brightness of the screen, then quickly returns. This is rather bothersome.
I've got the option under Keyboard and Mouse "Illuminate keyboard under low-light conditions" unchecked, but the screen still dims if you cover the speakers. I've also got the option under Energy Saver "Automatically reduce the brightness of the display before sleep" unchecked as well.
I'm at a loss here. Is there not a way to disable this auto-dim feature? A Google search didn't turn up much of anything. Surely there must be a way...
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May 22, 2012
I have a Mac Pro and a MacBook Pro. With the Mac Pro I have just the one screen - used to have two, but now just the one as I rarely need it. However, for a job I'm doing at the moment, it would be handy to have the use of two screens. Do you know if it's possible to hook both computers up and use the LapTop screen as a second monitor for my Mac Pro?
Info:
MacBook Pro, Mac OS X (10.6.5)
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Jul 8, 2009
I've got a 17" MacBook Pro on OSX 10.5.7 and a 15" TiBook on OSX 10.4.11.
Can I connect the TiBook to the MacBook Pro in such a way that I can use it to extend the screen? IE: main window on MBP and menus etc on Ti? If so how? Is it easy to switch back and forth on the Ti so I can get back to it's own screen easily?
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Aug 13, 2009
Whenever I move my macbook on my desk with the lid open, or when I open the lid, or when I close the lid, my screen flickers to black and then back open many times. Is this a weak connection some where? Sometimes the screen will stay black until I move the lid a little bit. I bought it refurbished from Apple this spring. I do not have applecare.
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Nov 5, 2009
a mate found a laptop on the road, no kidding, its been driven over, screen is less than happy. I wanted to plug it in to my bubble emac, but what cable am i looking for? and is it cheap? I have sound comming from it when you turn it on, and when u use the volume keys but thats it. Oh and when you use the mouse pad it leaves light trails on the screen.
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Mar 29, 2012
I have been using lots of software - indesign, photoshop, illustrator as well as other programs at the same time and my laptop started to slow down. I then tried to force quite pages and it wouldn't work so I had to force shut down. It then would not turn fully on and was on the grey screen for a long period of time. It eventually came back to homepage after about 30 minutes but did not fully load. It now wont go past grey screen and has a bar at the bottom.
Info:
MacBook Pro, Mac OS X (10.7.2)
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Jun 20, 2012
Why are colors different on my computer display from my iPhone and other platforms? Is there a way to get accurate colors on my MacBook screen? Usually pictures viewed on my laptop screen are more colorful and vivid than on my iPhone and iPad. iPad 2 isn't retina of course, but my iPhone 4 is, so I don't get why it's not as colorful...
Info:
The Aluminum Macbook, Mac OS X (10.7), Lion!
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Jun 2, 2014
13” MacBook Air laptop boots to a gray screen
Info:
MacBook Air, Windows 8
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Sep 3, 2014
My screen today suddenly went black but the laptop was still running. I shut it down and unplugged for several hours, no luck. I have done the hard SMC and PRAM resets. Both times the apple screen comes up but now it just stays a solid grey.
Info:
Mac Pro
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Sep 8, 2010
Hey guys, I have a 2010 13" MBP. When I open the screen, it squeaks, not that loud, but it squeaks. What should I do? Also, my trackpad seems it is a little out of place when i am looking from the top of the laptop. What should I do about the trackpad?
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May 2, 2009
I just bought a 24" screen for my macbook so i can really enjoy movies in my room. I was wondering if there was a way for me to close my laptop screen but still watch the movie ( so i dont see double picture) I know i can dim down the macbook's screen to almost dark but the screen is still on and using power. If anyone knows how to do this let me know.
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Mar 17, 2012
I have a 2008 MacBook and it was working perfectly fine until one day I was using it and the screen instantly faded to black. I first thought my battery power had shut off, so then I closed the laptop but that little light on right front side was still blinking meaning the computer was still on. I then shut down the computer and turned it back on but as it started the screen was its normal brightness for about 3 seconds then it quickly went black again. If I shine a light on the screen I can barely make out what it shows, which is my normal screen when I open up the laptop. Did my screen somehow break from overuse or does have to do with the battery?
Info:
MacBook
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Jan 17, 2010
I dropped a glass of milk on my MacBook Pro yesterday, I was so sad. The milk landed all around, keyboard, trackpad, screen. I dried it all with a towel and it works perfectly. But, the screen is completely ruined. It is smudgy and sticky, and blurry with milk. I think using a towel is the worst thing I could have done. What can I use to cleanse my screen of this uncomfortable smudge?
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Apr 28, 2012
I have connected my macbook pro to my HDTV and I only see the default cosmos screensaver instead of the content on my laptop screen.
Info:
MacBook Pro (13-inch Late 2011)
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May 14, 2012
I recently brought my computer to the Apple store to repair dents on the outside of my laptop.Ever since I received it back it does not go into sleep mode when I close the screen.
Info:MacBookPro
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Jun 20, 2014
My laptop screen randomly going black during the use of computer, but the cursor is active and it moves with the track-pad. I bought this macbook pro 15"Inch laptop just 3 weeks ago. Is there any alternative for this issue?
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Dec 9, 2014
I bought last year (18 month ago) my MacBook Air. Suddenly it froze and after restarting the screen remains "off". After connecting an external screen I can go to the first opening screen but the cursor won’t move. I tried to use the “Command,” “Option” and “Esc” keys on the keyboard at the same time to bring up the “Force Quit Applications” window but it doesn't work. After restarting I'm back at the same screen, still frozen.
Info:
MacBook Air
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Aug 21, 2014
my mid-2012 Macbook Pro Retina laptop is having Retina screen problems at startup, bootup and wakeup modes. The main failure mode is, during reboot or wakeup the laptop's Retina display screen does not work, a blank Retina screen results, and the keyboard does not light up. Also, at random times the laptop will just crash and self reboot, but then during reboot the Retina screen does not work but the computer reboots. Additionally, this laptop, compared to my work's PC laptops is lightly used, mostly for web browsing, photo viewing and email. At first this problem was only intermittent, but now the Retina displace screen failure mode has become a chronic repeating failure mode and is happening almost everyday and stays in this Retina display failure mode for a longer period of time. Additionally, this 2012 Macbook Pro Retina laptop had a failed graphics card within its first 4 months of light use, the failed graphics card had to be replaced.
Info:
MacBook Pro with Retina display, OS X Mountain Lion (10.8.2)
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