OS X :: Expose Hot Corners Not Working After Unplugging External Monitor
Mar 22, 2009
I use Expos�'s hot corners on my Al MB. I also use an external monitor at my desk. When I unplug the monitor to disconnect the laptop from being "docked" (as it were), I find that I can't use hot corners anymore. If I restart the Finder, that doesn't fix the issue. If I go to Expos� preferences, and change a hot corner preference (e.g., what gets done when one goes to the upper right corner), then things get fixed. But I really don't want to go to Sys. Prefs. each time I change monitors. Is there any other solution?
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Aug 29, 2010
I just bought a Macbook Pro 15" i7; the only problem I've had with it is this: every now and then my Expose/Space/Screen Corners stop working, and the only solution I can find is to just restart my computer (which thanks to the i7 is only about 20 seconds anyway ). Does anyone here have any advice on this?
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Nov 18, 2010
I have an iMac that I keep connected to an LG HDTV via Mini-Displayport to HDMI. I was wondering if there was any way to disable the external monitor without unplugging it? Turning off the TV doesn't actually disable the monitor as I still have the OS thinking it's still on therefore spaces imitates it as being two monitors when its really only one. The main reason I want to disable it is to save my VRAM while I'm playing Source games on Steam.
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Jul 4, 2009
I was first going to post this on the Community boards since this is more a geek opinion thing and not a technical thing but I'm putting it here b/c I noticed the Mac OCD thing here, too. Okay, so every once in a while, I decide that some aspect of my interaction with the UI is inefficient and annoying. Usually, its a very minor issue and my attempts to be less inefficient end up becoming ridiculous time wasters. Like my latest attempt to retrain my brain for what I think is "efficient" hot corner assignments:
Upper Left: Show Desktop
Upper Right: All Windows
Lower Left: Dashboard
Lower Right: Spaces
Here's the way I figure it. Show Desktop is the one function that leaves the almost all elements of the UI intact, particularly the menu bar. For me, the most inadvertent activation of hot corner elements is the upper left, because that has the menu elements I reach for most often. With Show Desktop, this matters much less. Spaces and All Windows need to be in adjacent corners for quicker consecutive activation because I use them in combo to move stuff between spaces and applications. The distance between top and bottom is shorter than left and right so these go on the right side. Which leaves Dashboard on the lower left which is good because there's nothing in the lower right corner I reach for on a constant basis. Dashboard widgets are arranged so all of my drag and drop widgets are on the LL corner. Anyway, I've been driving myself nuts with this arrangement because I'm so used to my old assignments that I keep hitting the wrong corners. How long till I get used to it?
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Jun 25, 2014
I'm currently on Mavericks version 10.9.3. This doesn't happen all the time, but sometimes two or 3 times a day. While working, whenever I would use hot corners to activate Exposé, my screen would freeze and Finder would restart.I usually have the following apps running: ChromeSpotifySlackMac MailSafariCord.
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Apr 17, 2012
I have 2011 mbp that i sometimes use with an external monitor, with the monitor being my only display (closed clam-shell mode). I encountered a problem where the hot corners do not work? for some reason only the upper left corner works on the external display. if i use hot corners on my laptop screen, all the corners work? (I am not sure if this is relevant to solving this issue, but I use a wireless mouse when i use my external display.)
How do i fix this so that all the corners work as hot corners in expose on my external monitor?
Info:
MacBook Pro (13-inch Early 2011), Mac OS X (10.7.3)
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Apr 21, 2012
27" iMac monitor has stain spots on the top corners. What do I do?
Info:
iMac (27-inch Mid 2011), Mac OS X (10.7.3)
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Dec 18, 2008
I recently have been running into problems with my Macbook Pro in that an hour or two after startup, the hot corners no longer work and command tab no longer works. That is when I try to use them nothing happens at all. The keyboard still functions normally other than that. Also, if I then try to shutdown the system appears to begin the shutdown in that my desktop icons disappear, but then the machine just sits there and will never shutdown. I am then forced to hold the power key down to force a hard shutdown. Then once I do a startup, I have my hot corners back and command tab works. Until it sits for a while and then I start the cycle over.
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May 12, 2012
When I restart my computer the hot corners stop working. When i go into the system pref it shows it is still on, but I have to turn it off and back on again to get it to work.
Info:
iMac, Mac OS X (10.7.3), 3.06 ghz, 4gb, 512mb
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Jun 30, 2007
Yesterday I was using the Vista side of my 2.4Ghz 15" MBP most of the day, and then I switched over to the Mac side last night. I don't know if being in Vista for that long is what caused this -- probably not -- but I do know that I usually don't use Vista that long at once. But anyways, here's my problem:
When I got into Mac OS X yesterday, it started getting all funky on me. First of all, my dock. When I roll my mouse over the dock, it doesn't magnify at all. I have dock magnification turned on about 1/2 of the way over, and yet it doesn't react to my mouse at all. Also, when I click on an icon to open it, it DOES magnify that icon (and the ones around it) temporarily as it "bounces" to indicate the program is opening. Then I move my mouse away, and the magnification stays there for a few seconds! So my mouse is back in the middle of the screen but the icon is still frozen as enlarged. It goes away after a few seconds, but not with the usual smooth shrinking animation (it just instantly is smaller). Lastly, the program I open from the dock does NOT come to the forefront. For example, I just opened TextEdit from the dock to remind myself of what happens, and it opened behind Firefox, not in front of it. So to actually go get TextEdit, I have to Command+Tab and get it. So those are my dock problems.
Also, my menus are acting funny. You know how, usually, when you open a menu from the bar at the top of your screen (sorry, not sure what it's called, I haven't been a Mac user for long), and you move your mouse over the options, each individual option highlights in blue? And when you move your mouse over an option that has an arrow to its right to indicate a sub-menu, the sub-menu pops out on its own? Well, neither of those are happening anymore. In fact, when I click the option that has an arrow, the whole menu just goes away as if I had clicked away from it or something.
Lastly, my hot corners aren't working. Simple as that. I have bottom left set for Dashboard, and bottom right for Expose, and neither respond at all.
To recap: a lot of the very basic functions I rely on in the Mac OS X side of my computer just stopped working for me and I have absolutely no idea why. And as a side note, I had not downloaded the MacBook Pro Software Update before this started happening. When it started, I immediately downloaded the update but it didn't fix it.
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Apr 23, 2012
I have a late 2011/early2012 MBP running OSX 10.7.3 (build 11D50d) and All of a sudden my trackpad is playing up. I can move the cursor from all places of the trackpad apart from the bottom corners - but I can only click in the center of the pad. However I can touch click in most places (apart from bottom corners). Does anybody know how to fix this?
I've only had my MacBook Pro for 4 weeks now, I've not dropped it, knocked it or spilt anything on it, so this is pretty disappointing to say the least. I've seen a bunch of videos on youtube where people are taking their MBP apart and tightening a screw to fix the problem. My warranty is still valid and I have AppleCare so I don't want to be voiding either of those by taking it a apart and messing about inside.
Info:
MacBook Pro, Mac OS X (10.7.3)
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Jun 21, 2012
I have a 27" Mid 2010 IMac running 10.7.4. I set my screen saver to 3mins and it won't turn on. Only works with hot corners.
Info:
Mac OS X (10.7.4), IMac Mid 2010
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Nov 14, 2009
Title says it all...how does the new iMac work as an external monitor? Is there a way to use it as a monitor without having to log in / load OS? Is there any delay as compared to a standard monitor? I'm just thinking long term as the iMac becomes long in the tooth and we move on to new machines. Can the iMac still be used as a quick turn on monitor or do you need to load up both machines (and do you need to rely on all parts functioning in the iMac, such as mobo, hard drive, etc. still working) to utilize it as a monitor)?
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Mar 13, 2012
I am trying to hook up an external monitor to my mid 2010 MBP. I used a Logiix mini display port to DVI, and then DVI over to the monitor. The monitor is a Samsung Syncmaster EX2220. When I turn everything on the monitor says "check cable" which everything is brand new and I don't have spares on hand to try. My MBP screen flashes quickly like it does when I have hooked up other external devices, TV, or projector except nothing shows up on the other monitor. I have tried to change resolutions but again nothing, installed all updates, restarted both devices and reset PRAM. One other thing that I noticed is the monitor comes with a cd that has a windows device driver. I searched but could not find a mac device driver, yet on the monitor specific webpage it says its mac compatible. It appears to me that the monitor is simply not receiving any signal from the MBP?
Info:
MacBook Pro, Mac OS X (10.6.8)
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Aug 28, 2010
I have a MacBook Pro that I use sometime on Apple Cinema Display. On the USB ports of the display I attached an Western Digital external hard drive. Now, when I want to unplug my laptop from the display, should I eject the external hard drive first?
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Jan 17, 2010
Recently I installed the Snow Leopard OS on my Macbook Pro, previously I had 10.5 installed. However, now when I connect my Macbook to my flatscreen TV (Panasonic Plasma), using a mini display port cable to an HDMI cable, there's a black border around the edges of the picture. Before the Snow Leopard upgrade I was able to view the entire screen area of the Plasma TV, without any borders. The only thing I've done differently since then is install Snow Leopard. Does anyone know how I can fill the screen with image without using the zoom option on the TV screen, as the zoom cuts off some image at the top and bottom?
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Jan 1, 2009
my firends eMAC leaked some "paste" like fluid (came home to it that way) which removed the finish from the desk it was sitting on. Now both bottom corners of the monitor are discoloured (purple and green i believe, left and right respectivley).... is the fluid harmful...ie: is it mercury? or is it simply the coolant? is the coolant harmful? He said there was a few ounces of the stuff under the machine on the desk. Just curious of hazards etc, and if its a sign of a new machine in his future?
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Jun 29, 2009
I have a 15" unibody MBP bought in Nov '08.
Had been using the Mini Displayport > DVI adapter just fine with both HDTV and Dell monitor, BUT then all output has stopped completely!
No monitor is detected by the laptop (although the display does blink blue, as if it had detected it), tried different cables, different displays, using the Displayport firmware update, speaking to Apple, deleting the com.apple..plist files, etc
Edit: it also doesn't work in XP on Bootcamp!!!?
None have worked even a bit!.. Also read lots of forum posts of similar problems, but I can't find a solution that works!
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Jul 1, 2009
I have a 15" unibody MBP bought in Nov '08.
Had been using the Mini Displayport > DVI adapter just fine with both HDTV and Dell monitor, BUT then all output has stopped completely!
No monitor is detected by the laptop (although the display does blink blue, as if it had detected it), tried different cables, different displays, using the Displayport firmware update, speaking to Apple, deleting the com.apple..plist files, etc
Edit: it also doesn't work in XP on Bootcamp
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Apr 23, 2012
I have a 27" iMac and I'm using Samsung SyncMaster SA850 as a second monitor (connected via a display Port cable with a mini Display Port adapter). Everything worked fine until yesterday - the Samsung screen turned black and now it only works with max resolution 1280 x 1024 (native is 2440x1440). I think I upgraded Lion 10.7.2 to 10.7.3 (I don't remember for sure though). When I connect the monitor to an iMac with 10.7.2 everything works fine. And another iMac with 10.7.3 has the same problem as me.
Info:
iMac, Mac OS X (10.7.3)
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Oct 28, 2009
I have a MacBook Pro 13 for portability to my classes at the university and a Dell 2209WA as an external monitor. One of the few good IPS monitors I could find around for cheap.
The monitor works fine in mirror mode with the MacBook Pro, but as an external display only it does not work. It attempts to wake up and then you see power savings mode again and the screen goes black as if there was no connection. Not sure what exactly the problem here is. Drivers?
The monitor works great with a Mac Mini I have and it works great in mirror but not in external display mode(the lid of the MacBook Pro closed). Anybody know of this issue? The cable is good and the MacBook Pro is not that old(a few weeks).
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Mar 24, 2009
In viewing the video tutorial for expose, I note that reference is made to use of the f9, f10 & f11 keys to view open files. None of these work for me on my system - the f9 does nothing and the f10, f11 and f12 controls the sound. If I tap the expose icon in the dock, I can see the various files I have open, but if the tutorial is correct, what am I doing wrong?
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Aug 20, 2008
As the title says - over time it seems the mouse shortcuts stop working (such as mouse 4 or mouse 5) but the keyboard shortcuts continue to work.
Has anyone experienced this? The only fix is restarted... I tried a sudo killall dock but this doesn't fix it.
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Mar 13, 2010
I have F8-F12 (without fn) mapped to spaces/expose/dashboard, and ever since I installed Snow Leopard, at random times my computer will stop registering them as "hey, open up dashboard" and interpret it as "hey, F12 was pressed, let's send this along to Firefox or Terminal or whatever". Sleeping or user switching doesn't help, I need to reboot.
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Jul 6, 2009
I'm on an older blackbook (2 years old? ca. summer 2007) running Leopard and I'm getting some weird behavior with Finder. When I right click on anything in the dock, i.e., to close a program, the dock locks up, I can't click on any of the menu options, Expose stops working and the alt+tab interface stops working, as if everything is frozen... This caused me to think that Finder was crashing, but then I discovered that when I went up to the menubar at the top, everything "unfroze." The dock went back to normal and was usable, expose works fine and the alt-tab interface works fine too.
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Jan 9, 2010
I have a 27" i7. I have a 24" DVI Montior hooked up to it via MDP->DVI adaptor. When the 24" Monitor is on, everything is fine. When I turn the monitor off, the magic mouse tracking on the 27" screen stutters. I am not kidding - it took me ages to figure out that to fix I either need to turn the other monitor on OR disconnect the MDP->DVI adaptor.
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Jul 21, 2009
So, here's the story. I turned on my imac one day, and i tried to launch safari by clicking the left button ( primary button ) and it launched expose (which is configured or the middle button) so i kept clicking and clicking i tried the right button ( secondary ) and it also launched expose. By this time i am getting fusterated. My side button still works and launches spaces but left, right and middle only do what the middle button is configured too. I have tried taking out the batteries putting new ones in , and disconnecting it from bluetooth.
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Mar 9, 2010
Recently, my newer (last year) iMac probably running 10.5 started speaking and wont shut up... there is no obvious way to turn it off. I usually figure problems out myself but there are no system preferences that effect it. I even changed the voice in preferences as a test and it is still the same guy reading everything clicked in all applications except when I am in system preferences so far. Usually when I run into a dead end like this there is some mystery key command that works... anyone know?I also noticed that some of the top line (f) keys are not doing what they are supposed to any longer as well... volume up opens the window for expose & spaces it looks like and does not control the volume monitor brightness controls are not working either... I went to the key and mouse preferences and set the key strokes to default and still the same.
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Jan 31, 2010
I have a G4 powerbook with an LCD that only displays the top 25% of the screen. I've been using an external monitor with it just fine. Today, I reinstalled the OS and ran into a problem. The main OSX startup menu (you know, where it asks for your location, timezone, personal info, etc) is prompting me for information, and I can't see the forms to fill them in! The external monitor defaults to "extended" as opposed to "mirrored", and the forms are embedded, meaning I can't drag them over to my external monitor. Obviously, if I can't fill out these forms and get to the desktop, the laptop is completely useless.
Does anyone know how to force the external monitor to be "mirrored" from startup? Is there a keycommand?
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Jul 30, 2005
I have been using the latest macbook pro 13.3" since April 2010. Over the last week the monitor suddenly goes completely white and the external monitor goes black. The laptop becomes unresponsive although the programmes opened continue running (e.g a skype voice call would continue without interruption although the monitor is all white).
The only solution at the moment is to press the turn off button for a few seconds then switch the laptop on again. It will then work normally until for no apparent reason this happens again.
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