MacBook Pro :: Connected To Vga Monitor - Screen Just Flickers
Aug 18, 2010
I bought a 22 inch monitor. its a pretty generic brand, but its very high resolution and works great on other computers. i got the vga adapter for my aluminum macbook (i posted in this section because its closer to the 13" mbp). i have an apple keyboard connected to it. i try to use it in clamshell mode and when i press a button on the keyboard to wake it up the screen just flickers as if its trying to adjust the resolution. strangely enough, it works perfect in mirror mode. anyone have an idea?
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Dec 2, 2014
Macbook air 2014 model screen flickers when ever it is connected to minidisplay port to vga adapter?
Info:
MacBook Air (13-inch Mid 2013), OS X Yosemite (10.10.1)
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May 1, 2007
I'm using a DVI->HDMI cable to connect my Powerbook to my Sony LCD TV. The Sony's native resolution is 1366x768. For some reason my Powerbook doesn't want to switch to this resolution. I can get 1280x720, but this leaves a black border around the images the whole time.
I've tried setting a custom resolution using the trial version of SwitchResX but to no avail. It won't do it.
Anybody have any similar experiences and possibly found a fix?
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Mar 30, 2012
I purchased a Mac Book Pro a year ago.I have been connecting a monitor with HDMI cable but in the past month my monitor screen flickers off then on every few minutes.Eventually it will go blank completely and not come back on.I had thought it was my monitor so I purchased a new one and it still does it. I have connected to my fiends monitors and they do it. Each monitor will act a little different but the end result is the same.My apple warranty just ran out and I suspect its a hardware issue since I can replicate it. [code]
Info:
MacBook
Pro
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May 7, 2010
Well my unibody macbook display decided to screw up last night, it was working fine last night no problem. Connected to a external monitor. I fell asleep last night with front row left on, obviously it went to sleep and then I woke up and the screen was black. Now the LED lights are working, my external display is also working. The display settings recognize a screen being present (when I click detect displays and gather windows - 2 windows appear). Ive reset PRAM, SMC, reseated the RAM, control+shift+eject (which just made the screen flicker a little after turning it back on) and Im out of ideas. Its out of warranty and about about 18months old.
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May 29, 2012
my screen cracked on my MacBook and I'm unable to see anything (it's just fuzzy white) so I purchased the VGA adaptor so I can connect to an external monitor. When I plug in the screen is zoomed to close and I can not view the entire screen. I can see one application that I have open, which is iMovie but can not see the top menu or my icons at the bottom. How can I adjust the settings seeing how I can not access the menu bar or anything else for that matter. It also appears to be showing a second screen, maybe not my desktop because the background is different. I'm running on OS X Lion.
I'm trying to finish an end of the year slide show for my kindergartner that I need completed today, I was five minutes away from finalizing then my two year old threw his monster truck at my screen!
Info:
MacBook, Mac OS X (10.7.4)
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Jan 9, 2010
when I connect my macbook unibody with dvi to my dell monitor the quality of the screen is not as "good" as when I connect my windows pc to it. Is this only a problem on macbook, or is the mac mini the same?
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Jan 28, 2010
My 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..
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May 8, 2009
everytime when i turn on my macbook, the top part of the screen flickers.. I don't recall seeing that happen when i first got my macbook. anyone else have the same issue? something i should worry?
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Dec 5, 2010
I'll cover the background to when this started happening.
I took my macbook out of an outer case to clean the shell itself.
I used wet ones which have alcohol so I wasn't worried, but also wasn't careless.
I once got a screen that said I needed to restart my computer. So I did.
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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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Mar 22, 2012
Whenever i tilt the screen forward or back wards like the whole screen flickers i dont know how to explain it but like as if you were turning a tv off that shuttering moment? well that similar thing happens but when i move my screen. The computer works fine and everything but its just that i have never dropped it or nothing so can anyone tell me why this is happening and what i should do.
Info:
MacBook, Mac OS X (10.6.8)
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Sep 18, 2010
I'm using the MiniDisplay port to HDMI on my MacBook Pro and connecting it to my 720P Dynex HDTV.
All my MacBook Pro does is flicker 3 times for about 8 seconds that it goes back to normal.
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Jun 10, 2010
She has a 2008 Aluminum MacBook, the standard 2.0Ghz model. Occasionally when she moves the screen or tries to angle it, it flickers. This doesn't happen every time.
I honestly haven't tinkered with any Mac laptops once the unibodies came out, so I am hoping someone can shed some light, give some advice, and maybe throw out some ideas for repairs.
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Jun 29, 2014
Recently my Macbook Pro 2008 is having following problem. First there are wavy blurry lines appears on screen and then it freezes for a while and then it restarts its own. On restarts it gives following message.
Your computer was restarted because of a problem. Anonymous UUID: 1AC08BAD-9416-4033-A800-666876C27348
Sun Jun 29 21:05:35 2014
panic(cpu 1 caller 0xffffff7f8cf27e90): NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0x040710de 0x00100406 0xd2000000, BAR0 0xd2000000 0xffffff80a6c73000 0x084700a2, D0, P2/4
Backtrace (CPU 1), Frame : Return Address
0xffffff80a58fb440 : 0xffffff800c422fa9
0xffffff80a58fb4c0 : 0xffffff7f8cf27e90
[code]....
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Feb 4, 2008
I am looking at purchasing an Ibook G4 but the description of the item includes this:"When you switch it on it begins to load up i.e. the blue screen with the Apple logo, but then the screen goes black or flickers. Said friend has kindly wiped the hard drive for me so now when you switch it on it makes the �opening� noise then you get a blue screen with alternating �?� and the Finder logo."
I have a feeling this may have been a temporary fault with the screen connector being loose and possibly damaged.But i assume the alternating "?" and the "finder logo" is simply a lack of OS?
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May 9, 2010
I just got a new MBP i7, and whenever the graphics switch from the Nvidia 330m chip to the Intel chip, the screen "flickers" black for a short moment before reappearing. Can anyone with a new MBP comment on this behavior? It doesn't happen on the switch from Intel->Nvidia, just the other way around.
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Oct 22, 2009
I was surprised one day to find an inch of white line running from top to bottom on my screen. Then after a week it expanded to two inches white line, then suddenly it turned all black and I can't see two inches of my screen from the right edge. I was reading some forums and found out that I can use a dell monitor as a secondary monitor, but is it possible to use the dell monitor as the primary monitor in case the black line will spread throughout the entire iMac screen? so the iMac would serve as a stand alone processor like a regular desktop?
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May 23, 2010
This is my first week on Mac. Periodically the screen flickers & hangs for a while after that it's back to normal.
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Mar 14, 2012
My screen flickers all the time. It goes blank and sometimes it takes a while to go back to normal. It is ot 100% anymore. The computer works perfect, but screen doesn't
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Apr 12, 2012
I just bought mac mini few weeks ago everything is great apart from every now and the the screen goes black for a second.
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Apr 20, 2012
Last night I was working in Adobe InDesign and Photoshop when my screen began to flicker like crazy and eventually froze. I could still move the cursor around but nothing would work. I couldn't force quit any of the applications or shut down the system. It eventually shut itself down and after restarting everything seemed normal. About 20 minutes later it did the same thing as I was switching between Safari windows using Expose'. (I recorded a small clip of the flickering and put it on youtube if that helps: [url]...?v=UBjRwRu4IOg ) After the second time this happened I again tried to start it up and it loaded to a gray screen, no startup chime, no apple logo. Nothing. I hit the power button and it shut down again. And the next time it booted all the way. I then shut it down with the intention of calling Apple Care today but apparently my Apple Care ran out in the last month or so. So, I'd have to pay $49 to talk to them about this issue. I thought I'd come here first.
[code]...
Info:iMac, Mac OS X (10.6.8)
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Mar 16, 2010
I feel like when i try to hook up my macbook to a monitor with the vga adaptor, it just never works smoothly. i always have to play around with the wires for a while until i have an image on the screen. plug out the usb mouse and keyboard, plug them back in, unplug the adaptor, plug it back in. then finally it works, and this is every time i try to do it. i prefer to to it with my laptop closed, not in dual screen mode. can anyone point me to a simpler process to do this? its getting really annoying
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Jul 26, 2010
I am trying yo plug my NEC EA231WMi into my MBP via DVI and a DVI to mini display port Adaptor and the computer is not recognizing the monitor. It does nothing when I plug the monitor in.
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Jan 4, 2009
Did any of you experienced this ? My WiFi slows down or even stops working when external monitor is connected (via the big connector, don't remember it's name, DMI or something like that). Air Rev A, 1.6.
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Sep 28, 2009
I have a strange problem with a WiFi slowdown when connected to a TV. Here are the specs of the equipment:
2.2 Ghz white macbook, santa rosa, 4 gb ram, purchased January 2008
Panasonic TV connected via HDMI to DVI cable + Apple Mini DVI to DVI connector
USB Western Digital harddrive connected to a 500 GB Time Capsule (1st edition, no dual channels)
Snow leopard 10.6.1
Before upgrading to snow leopard, I would frequently use the macbook to provide video to the above mentioned TV streamed from a hard drive connected to an imac (connected to the same time capsule). I moved, and upgraded to snow leopard, and haven't tried this until finished setting up my equipment yesterday. I can stream videos to the macbook from this hard drive fine when nothing is connected. However, the moment I plug in the mini-DVI connector, the WiFi drops to a crawl. This applies not only the to air disk but any data from the network (internet, etc.)
A couple of additional notes: Display is set to mirror. Has nothing to do with clamshell mode because the macbook isn't closed. Nothing to do with location/interference- the effect is instantaneous with plugging and unplugging the cable. The base station is actually closer than in my previous setup and is pretty much 20 feet away in direct line of sight. I connect to another external monitor daily at work (vga, again with apple mini dvi to vga adapter)- no issue whatsoever restart did not help. I canceled all time machine backups over the network to limit that as a factor- no effect.
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Nov 21, 2010
WITHOUT closing the lid, because i like using the touchpad. i know that you can turn the brightness all the way down, but sometimes windows from the main screen randomly open on the other display. and it also slows down performance. i want to turn off the 13" screen as if the lid was closed. that way, the mac doesn't even see it.
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Jun 18, 2009
I've been searching for a vertical laptop stand for awhile now, since I use my MacBook Pro and my Dell Inspiron both in clamshell mode and connected to the same monitor. There were some pricy options out there ranging from $40 to $300, and then I found the perfect solution at the thrift store today for $1.50: a napkin holder.I bought one very similar to the one pictured here, and will be sanding it down and painting it black. It works extremely well as a vertical stand, and I'm getting a second for the Dell. Forget overpriced stands and repurpose something
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May 22, 2012
When I close my macbook pro whilst it is connected to an external monitor the internet connection slows down?
Info:
Mac Pro, Mac OS X (10.6.7)
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May 2, 2012
I have a 13" MBP and just bought a new 23" external monitor connected via mini DVI to HDMI adapter.The monitor is recognized fine, but there is extreme jitter on the screen - basically very annonying and unusable.
Info:
MacBook Pro
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