Hardware :: Randomly Adjust Brightness Or Sometimes Flicker?
Apr 2, 2007The screen on my MacBook will randomly adjust brightness or sometimes flicker.Does anyone else have this problem or know how to fix it?
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MacBook Air :: Unable To Adjust Screen Brightness / Brightness Goes Up And Up
Nov 15, 2010The 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.
Windows On Mac :: Unable To Adjust Screen Brightness / Screen Brightness Buttons Not Working
Jun 20, 2009So 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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MacBook :: Adjust Display Brightness
Feb 28, 2009I found the setting under Displays to automatically adjust brightness, but is there a way to set this different for Battery or Power Adapter? I would like to keep this option on for using the Battery, but would like the display at a constant level when using the Power Adapter.
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Jun 11, 2012I have an iMac, the screen has gone quite dark (as if in sleep mode)Â I have to sit in a darkened room to see it properly. Have I hit the wrong key or key combination of keys? How do I adjust the brightness?
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iMac, Mac OS X (10.4.11)
MacBook Pro :: New (Late June) 15" Unibody Screen Still Flicker When Low Brightness
Jul 9, 2009I'm curious if the screen still flickers.
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Jun 18, 2009So I have an AVI file that won't even load in quicktime, but it plays fine in VLC and MPlayer. As far as I can tell neither of these programs let you adjust the color, contrast or brightness of the file. Does anyone know of a program that will allow me to do this?
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Oct 21, 2010Does the new MBA still have the ambient light sensor that adjust the screen brightness to environment?(like the older MBA and the current MBP)
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Jan 28, 2010I have recently put windows 7 professional on my aluminum macbook, installed all the drivers, and so forth. I hook up my macbook up to an external monitor, and use a logitech dinovo keyboard for a mac. However, when I am in windows 7, the function keys do not adjust volume, brightness, and any other of the functions.
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May 14, 20121. Screen Brightness is on. Desktop functioning as normal, according to the brightness set.
2. Randomly, the entire screen brightness will switch 'off' - but not go to sleep - it is set at the brightness level, as if you would have turned it all the way down manually. Automatically, my screen goes from:
3. After clicking the brightness button on the screen - when I look closely - the brightness control is set at its previous level, but the screen is not at that brightness! darkest screen (above, right) + brightness settings up   Â
4. In order to solve the issue, I have to hold down the minimize brightness button and then turn it back up, from the lowest setting. This only works about one in five times. All other times, the screen briefly flashes and then goes dark again.    Â
Info:
MacBook, Mac OS X (10.5.8)
MacBook Pro :: Brightness Randomly Turns Back On When Turned All The Way Down
May 19, 2012This is a strange issue I have had with my Macbook Pro for a while now. Whenever I am in a situation where I am only using my computer for say, listening to music purposes, I like to turn the brightness all the way down. Whenever I turn the brightness all the way down, however, after a few minutes it will go back up 1 pip of brightness on its own. Once I come into contact with the trackpad, however, it goes back down. Then it will go back up 1 pip on it's own again, and go back down when I touch the trackpad. It continues to do this and it's quite annoying.
Info:
MacBook Pro, Mac OS X (10.6.8)
MacBook :: Screen Changes Brightness Randomly / Screen Suddenly Become Little Dimmer
Jan 19, 2009lately, 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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Sep 4, 2014My mid-2014 15" Macbook Pro randomly "loses" its retina display at the top menu (becomes pixel-y), where the battery, sound, and wifi logos are (on the top right side of the screen). A restart fixes the issue, but I want to know if this is an issue that can be fixed?Â
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MacBook Pro with Retina display
IMac :: 21.5 Brightness Vs 27 Brightness?
Aug 1, 2010I went to Best Buy yesterday and they just got the new imacs in and had on display side by side. The 21.5 display was not as bright and vibrant as the 27 display. The apple and best buy guys could not tell me why the difference. The settings were checked and found to be the same for both machines. I was going to get the 21.5 but now not so sure. I definitely like the brighter 27 better. Is this normal? Why is the 27 brighter? Has anyone else noticed the difference?
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Feb 25, 2008In the last 5 days I've started noticing a strange flickering with images loading in Safari both static and in-line video e.g. cnn.com. A few days ago at lunch while home I opened both Safari and Firefox, opened cnn.com and then clicked on a video. With both videos playing at the same time it looked fine in Firefox but flickered in Safari. I've noticed the same issue with static image loads too. In FF the image loads no problem, in Safari it flickers. I don't think this is related to the video card (8800GT) but sounds like a software issue to me.
Anyone else having a similar problem? BTW, I'm running 10.5.2 with all the latest updates. I've subsequently noticed that turning the machine off and on again relieves the problem?
Safari :: New Tab Flicker Of Old Image Residue?
Apr 5, 2012Can anyone explain why, when i first open safari and double click to open a new tab, just before the Top Sites page loads i get a flicker of a partly scrambled image? This image is usually, but not always, of a site or screen that has just previously been open in the display, sometimes from a webpage, sometimes from a window such as system preferences. Occasionally the scrambled image is nothing that has been on my screen in the last 24hrs, as far as i can remember. This isn't a problem, per se, but a funny quirk that makes me wonder if there is something amiss with my Macbook. How is this image left hanging around to then briefly re-appear in a scrambled format?
Info:
MacBook, Mac OS X (10.6.8)
Intel Mac :: How To Fix Flicker On Screen Display
May 7, 2012My imac screen has just started flickering. I have researched it and it already a problem with other mac's.
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Jun 2, 2014I have having ongoing trouble with green frames in the export. I have read it could be a rendering problem, however i do not see it when playback in the time line, ONLY when after I complete the edit.Â
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OS X Mavericks (10.9.2)
PowerPC :: IBook G4 Charge / Flicker Slow?
Feb 7, 2007I have a 1.2 Ghz Power PC Ibook that has been a flawless laptop for almost two years now. Yesterday, I noticed that the screen wold periodically dim/brighten every couple of seconds. As I looked at the battery icon, I noticed that each time it dimmed, the charge icon would switch to a battery (as if the laptop wasn't plugged in), and each time it brightened, the corresponding charge icon would appear.
This happens even though it is plugged in, and usually, if I adjust the power cord, then it stops. But each time I have had to do this, it becomes less responsive to the method! Now I'm afraid my computer will simply die a slow death, with me frantically jiggling a cord to no avail, watching as it breathes its last breath, unable to be repowered!
PS: I'm an American, in Germany, who will be in London next week and able to visit a genius bar there...but I'm not positive that my warrranty extends beyond American borders.
IMac :: 27 Flicker On Apple Website Videos?
Apr 22, 2010I'm experiencing flickering on my imac when playing videos on the apple help videos:
[URL]
there is tearing at the top of the video but works fine on my windows pc .
All latest updates have been installed and other videos play fine...only apple site.
Hardware :: ViewSonic Screen Flicker - How To Stop It
Oct 1, 2009My monitor has been flickering in all my graphic programs. I'm thinking this has something to do with OSX 10.5.8 and the ATI Radeon 9000 card in my G4 MDD. I've swapped out the ATI card for another of the same quality to see if I get the same problem. The flickering came back. I am now trying out a generic lcd (cornea) to see if the problem occurs.
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Feb 4, 2012Got 2011 Mac mini and connected via HDMI to 15 months old Samsung 46 inch LED TV using 1080p and 50Hz. From start (dec 2011) I have had the problem that occationally (>50% of the times) the TV starts to flicker heavily. It is "war of the ants = cannot see anything" on the TV for like 3 seconds and then I can see the desktop clearly for around 3 seconds an then it is back to the flicker.screen. It keeps on like that until I shut-down and restart the Mac mini. Sometime restart works an sometime it does not. Anyone with similar problems that know what to do?
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Mac mini, Mac OS X (10.7.2)
Intel Mac :: Screen Starts To Flicker And Then Dims
Apr 27, 2012I have had my imac 21 for about 5 years Model identifier say 7.1. running OS 10.6.8 Has been going well apart from a new hard drive. Suddnely tonight the screen flickers when you first turn it on for a few minutes and then settles down but dims down where whites become a light grey. Tried turning off the monitor screen power off and power saver.
Info:iMac, Mac OS X (10.6.8), ilife 11
Macbook Pro HDMI Screen Static Flicker
May 25, 2012I bought a new HDMI adaptor for my 17" Macbook Pro. I'm plugging into a full HD compatible TV, into an HDMI port.The result is a consistant switch between the actual correct display, and colored static. The rate of the switch is dependent on the frequency of the refresh rate, but there's no way to get it anywhere near comfortable to use. I have tried changing resolutions on both sides to no avail. Here is a video of the screen periodically flickering between display and static url...Also have tried other HDMI ports and cables, all of which are known to be in working condition. Tried restarting the tv and computer. Running out of ideas and hair.Troubled Mac User
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MacBook Pro, Mac OS X (10.7.3)
MacBook Pro :: MiniDisplay To VGA Adapter YouTube HD Flicker
Jul 2, 2012I've recently got the Apple MiniDisplay port to VGA adapter for my mid-2010 Macbook Pro (2.4GHz i5, 4GB RAM, nVidia GT330M with switching), and have it hooked up to a relatively old Samsung SyncMaster 2223NW widescreen LCD monitor. I'm running the laptop side by side with the monitor (not in clamshell). For the most part this works great, though I have noticed the CPU and the GPU Diode run at least 10 degrees warmer than they would when just using it as a laptop.
The problem comes in when watching HD (720p or 1080p) video on YouTube. During playback it seems to cause strange black lines/artifacts which flicker all over the screen. Standard Def video is fine, only happens with HD content. I don't know whether this is an indication that the GPU is overworked (though the temperature seems to be within normal limits) or something to do with the analogue VGA connection or the adapter itself.
Info:
MacBook Pro, Mac OS X (10.6.7)
Final Cut Pro X :: How To Reduce Flicker On Imported Clips
Dec 2, 2014Clips are shot with 25p. Due to neon lights there is flicker in bright areas. How can I reduce that?
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Final Cut Pro X
MacBook Pro :: Have A Flicker Of A White Line Show Up On Screen?
Oct 28, 2010My screen just started to occasionally have a flicker of a white line show up...
It doesn't happen that often, should i worry? Is it worth taking it into apple? (Under warranty still) Since its not consistent i wont necessarily be able to show them what its doing..
Mac Pro :: White Flicker When Playing M4Vs Full Screen
Aug 24, 2008Handbreaked some stuff to be played with my appleTV. The files are 600mb-1Gb files (720x480?) with one pass deinterlace. The problem is that when I am playing them with my macpro, I get a white flicker when trying to play them full screen. Like a white strobo. When resizing the window smaller, they develope a black flicker. Only when doing playback in a smaller window (1/4 of the screensize) they play back normally. Display is a 30",so is my 7300Gs such a useless p.o.s or what is going on?
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