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1

This is more of a comment adding data, but I'm not yet permitted to comment, so this will have to do: I'm seeing this several times a day since getting my imac back from the shop with a new hard disk and Lion install, followed by a time machine restore. I also upgraded the machine to 32G of ram after it came back. When it occurs, the kernel_task in top ...


15

It's because the sleeve has a "Magnetic snap closure with no zippers" which actually mimics the magnetic latch that's triggered while the lid of the MacBook is closed which turns off the screen. I've noticed this happen to me a few times in different situations when I would put my iPhone on the hand rest part of the MacBook or If i left my Adonit Jot ...


0

Let me summarize the troubleshooting steps. Before disassembling: 1- Run the Apple Hardware test to see if it comes up with anything. 2- As far I know you have a NVIDIA graphics car. Run without it to test. 3- Connect a external monitor to test if the internal display is failing. 4- Open up the computer and unplug/plug the Video cable few times to clean ...


0

Just wanted to add, don't forget that you have warranty on your device... If it is a retina display MBP I'm guessing it's not overly old, so may still be within the limited warranty period (even if it's not in warranty it's likely Apple will still help you) — especially seeing as you said that there is no accidental damage also (and yes, I do work for ...


0

There is a small possibility that the video cable is mis-seated and simply unplugging it and re-plugging it in might help. ifixit.com can help you with the take-apart. It is not difficult, just make sure you ground yourself and disconnect the battery before touching anything. Has the machine been dropped? Has anything been spilled on it? Is the LCD panel ...


0

Updating Final Cut Pro from 10.0.8 to 10.1.2 has solved this problem.


1

I found out that by also plugging in the usb cord from my monitor to the computer, the brightness controls on my keyboard now work! No need for kext files after all.


0

Venicejeff is right. To expand, you can't daisychain monitors that don't have a thunderbolt port on them. DVI and VGA require dedicated inputs. So if you want those two monitors you will need an adapter that gives you another video port. Like a thunderbolt dock and some adapters or that Matrox unit that you mentioned in your question. The only other option ...


0

since they air only has 1 thunderbolt and some usb2 ports, you're pretty pinched. you could get a thunderbolt dock along the lines of the caldigit unit.. this has an hdmi and a pass-through thunderbolt on it. you can then get an hdmi-dvi cable for oen monitor and a thunderbolt to dvi adapter for the other. another option would just be a thunderbolt hub. ...


0

For a different approach, you can try Free Ruler for Mac OS X. This free application displays a horizontal and a vertical ruler, both of which you can extend. It supports different scales (cm, mm, pixels, inches, etc - it's using the screen DPI to display distance measurements correctly). I use it quite often when I need pixel-perfect measurements of GUI ...


0

There's a new app on the App Store called Euclid that claims to do what you're asking. I have not personally tried it but it looks nice enough! edit: I went ahead and bought Euclid to try it out. Nice little app and the crosshairs do work well. My only gripe at this point is that I wanted to take screenshots with it and as of now it doesn't do that nor does ...


1

I do not have the Yosemite but on Mavericks works as follows: The trick is to assign a second Space to the desktop. You do that by pressing the Mission Control button on your Mac keyboard (F3) or whatever you've assigned in System Preferences > Mission Control, and moving the mouse to the upper right of the display until you see a Plus (+) icon. ...


0

Here's my workaround: right click on the 1/4-screen video and, if you're using Flash 15.0.0.xxx, you should see a Stretching is <type> item in the options list. Click on that and the video will fill the screen. Keep repeating until you get back to the 'Stretching is none' setting, unless you prefer something else. I have the same issue when using ...


3

From the Preference pane I do not think you can do it. But I just wrote an applescript that works on both my displays. ---------- UPDATE: I was having a problem with the LaunchAgent loading on login. Thislooks like it was because the system was trying to compile it and failing. So I have updated the Answer to fix this by using a compiled Applescript ...


0

Apple support officially a small number of 4K Display. https://support.apple.com/en-us/ht6008 So, If you want to display your 380x2160 resolution, you can try SwitchResX. That allow you to display your own custom resolution to the screen. http://www.madrau.com/srx_download/download.html


0

Using an answer to be able to post image... Monitor differentiation looks like it's new to Yosemite. Mavericks doesn't show anything beyond simply assigning a Desktop, unfortunately. There is the possibility it's affected by having monitors set to separate spaces or not, but I'm not going to break 12 Spaces of setup just to test that theory ;-) I do find ...


0

If you right click on any icon in your dock, you could assign an app to a display.


0

Turned out my MacBook suddenly developed a problem with temperature. I added something to the bottom of it so it has more air to breath and since then it was stable.


-1

I have early 2013 15" retina mbp and I can drive seiki 39 4K TV via HDMI (using supplied cable) just fine.


0

I'm sorry to tell you but I had the exact same issue on a 2008 MacBook White and it was never resolved. I went several times to different Apple Stores and they tried fixing it. Unfortunately, they always failed. For me this scenario went on over a period of about 2 years. At the beginning it only happened rarely but got worse over time. Towards the end the ...


0

I had the exact same problem as described here. The problem was corrected by resetting the PRAM on my Macbook. I followed the steps provided by The Next Web and it worked like a charm.


1

The equivalent command for Yosemite is: sudo nvram boot-args=niog=1 I've only tested it on my Late 2008 15-inch MacBook Pro, but it works for me. Your mileage may vary. Source: I read the IOGraphics source code, specifically IOGraphicsFamilyModuleStart() in IOFramebuffer.cpp. Technical details: We need to clear bit 0 (kIOGDbgLidOpen) in the module's ...


0

Apple hasn't made this easy (or if they have, I've missed it). The only way that I know to do this is with Keyboard Maestro. You may need to disable the iTunes media keys on your Mac keyboard: launchctl unload -w /System/Library/LaunchAgents/com.apple.rcd.plist And then you can use Keyboard Maestro’s Device Key option (for some reason the "Hot Key" ...


0

I suggest removing (at least temporarily) all your non-Apple menu bar icons, and then restart your machine. In Mavericks you should have two identical menu bars.


3

Go to System Preferences → Displays and adjust the Overscan slider (or checkbox, depending on the screen model) so the content fits on the screen. Alternatively, you should be able to change the settings on the display itself to adjust the overscan. For more information on overscan and underscan, see the Apple KB article: ...


0

My monitor (Mac Mini 2012 10.10 connected to Samsung TV with straight HDMI) does the same thing occasionally, with the static you describe. From various behaviors, I've come to the conclusion that it must be the graphics driver failing. I've been unable to solve it completely for the past year; perhaps my info might point you in more fruitful directions.


0

It could be related to the energy saver option to "wake for network access". Just an idea.



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