OS X :: Dock Disappearing Suddenly / Activity Monitor Flashes And Then Disappears
Dec 24, 2007
Very suddenly my dock has disappeared, (and occasionally reappears), and is now completely non-useable. Why..?
I have created other accounts on my computer previously and the dock on those is fine...I have looked in Activity monitor and it flashes on and then disappears in there. I tried using terminal to 'killall Dock', but this did nothing...Am using Leopard on Alu iMac.
Any ideas what's going on?
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Nov 26, 2009
Very suddenly my dock has disappeared, (and occasionally reappears), and is now completely non-useable. Why..? I have created other accounts on my computer previously and the dock on those is fine...I have looked in Activity monitor and it flashes on and then disappears in there.I tried using terminal to 'killall Dock', but this did nothing...Am using Leopard on Alu iMac.
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Jun 1, 2012
My MacBook Pro continues to show random unexplainable processes in the Activity Monitor window. Nothing seems to be wrong with any aspect of the laptop and functions correctly?
Info:
MacBook Pro (13-inch Mid 2009), Mac OS X (10.7.4)
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Nov 19, 2009
I leave the Acitvity Monitor running all the time with my CPU Usage as the dock icon. I like to see the cores working away. On my Quad MacPro at work I have four blue bars, on my old iMac C2D, MacBook etc. I have two bars. On my new i7 QC iMac I am only getting one bar. Any body have any thoughts on why this is? Has Apple changed the way the icon shows cores? Here is a link to a photo of my current dock on my i7. Current Dock Icon on i7 Quad Core
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Mar 29, 2012
I've tried right mouse also pulling above dock to remove-but won't go away.
Info:
MacBook Pro, Mac OS X (10.7.3)
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Mar 16, 2010
I have a 21.5" iMac bought in November 2009. I am having a strange happening with it. I have just been using Mail, clicked on the red button at the top left to quit, but the mail window just kept disappearing all but about 3mm off the screen to the top and top left and not quitting. I have also had this happen when using Safari, occasionally if I click on a link on the page to another open another page Safari disappears off the top and top left except for about 3mm.
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Feb 19, 2007
I have no idea what happened, but a lot of small stuff on my mac either disappeared or changed. I took my macbook off the charger after a nights charging, and I noticed: all my icons on my desktop were no longer there, my widgets were all gone, and all my programs gave me a setup up screen when I tried to use them. I'm not too upset because everything on the hard drive is still there, but still I'd like if anyone has a clue to as what the heck I did to cause this?
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Feb 14, 2007
I'm not sure why but whenever I go onto the internet, my wallpaper disappears and it turns blue. If I want to restore it I have to click on a different wallpaper in system preferences then click back to the one I want. Any ideas?
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Apr 11, 2010
Anyone come across this? I 've been having it a lot recently on my imac, not my pbook though, and I can't seem to find how to fix it... very strange behaviour, as soon as you start writing the cursor vanishes...make for some very hard writing I tell you...
Well, that's ms, they might even have it as an option somewhere that I cannot find...
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Dec 13, 2009
Every time I wake up my Mac Pro, the monitor flashes 2-3 times before it is fully on. Quite annoying. Any idea what it might be? I have the latest Mac Pro 2.66 Quad (got a referub about a month ago) and LaCie 526 (same as NEC 2690). Basic video card, DVI connection.
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Mar 19, 2009
This has happened to me a few time and I'd like to know if others are having the same problem:
Background: MBP 17", 4gb ram, lots of disk space, OSX 10.5.6, all apps located on system disk drive.
Problem: every so often, a random icon will just disappear from the Dock. Today it was Firefox, about a month ago it was iTunes. I can add them back, but why do they leave in the 1st place.
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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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May 28, 2012
When Safari is active, the menubar and the dock disappears. I have chosen not to show/hide dock in system preferences, and whenever any other program than Safari is active, the dock and menubar stays put. My OS is 10.7 - P.S. I have not maximized the Safari-window.
What could cause this, and how do I get the dock and menubar to stay even when Safari is active?
Info:
iMac, Mac OS X (10.7.4), Safari 5.1.7
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Dec 7, 2014
The dock on my Mac only appears when I click on it. I'm pretty sure I just accidentally pressed a keyboard shortcut, but I don't know how to reverse it.
I already tried Command+Option+D, but that's not the problem (it's not that my mouse has to hover over where the dock should be - I physically have to click in that space. As soon as I click on another application, the dock disappears again).
Info:
MacBook, Mac OS X (10.6.8)
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Jan 30, 2010
I have been trying to figure out why my MBA seems to be so odd?
I am running 10.6.2 OSX and every time I try to move the icons around in the dock they either move place by themselves or delete themselves?
This is especially true with browser icons. For example I could have safari open and try to move the icon in the dock from the far right towards the left ..... It will do this and stay there for approx. 5 seconds and then return back to the far right.?
If I close the safari program the icon disappears from the dock. If I then try to drag the safari program into the dock from the applications folder, it will sit there for 5 seconds again and then just delete itself off the dock. This also happens to Skype, Firefox etc.....
I have tried everything from terminal / killall Dock ..... to deleting files from /Users/~/Library/Preferences/com.apple.dock.plist etc with nothing working ??
// ps I do have a mobileme account with syncing function but have dock syncing turned off etc .... I have also tried re-booting multiple times after trying different routes and nothing has worked.
After trying nearly everything I can think of (even checking repairing in disk utility) I seem to have drawn a blank.
So I have enclosed a video of my desktop showing the problem of the disappearing icons. The weirdest part is its selective so some icons could stay when being dragged their while other disappear in a matter of seconds?
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Mar 14, 2012
Is it possible to keep the dock visible at all times, as well as the Finder bar and bookmarks in Safari? This was the case before Lion.
Info:
i Mac 24, Mac OS X (10.6.8)
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Jun 3, 2012
When I open up mail, the dock and the header bar both disappear and won't return even if I hover the mouse in the area. Have tried changing preferences for dock and have reset the dock - still not working.
Info:
iMac, iOS 5.1.1
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Aug 31, 2008
i have, or had, an applications folder next to the trash on my dock
but the link seems to have broken. when i click it now it just puts up
a big question mark.
i tried making an alias for the applications folder and putting that
on the dock in place of the broken one but that, while it works right
after i make it, soon breaks also.
what's this about and how do i get the applications folder back and
stable?
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Apr 24, 2009
I just purchased a MBP (prev gen) about a week ago, and I've been noticing something weird in the dock. This usually happens a few minutes after I boot the computer from being completely off, but what seems like an Application quickly shows in my dock and then disappears. It happens in a split second and there's not enough time to see what it is. It just opens and closes. I haven't installed much on this MBP, just Office, Firefox, Visualhub, Mactracker and perian and flip4mac. I have all these Applications installed on my iMac and I have never seen this happen before.
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Oct 29, 2009
My Safari and iTunes icons are just spaces on my dock. There is no icon for either of them. If I click where there would be an icon, the programs launch. If I hover over the spaces, it shows the name of iTunes and Safari like it does for every other program. When they are open it shows the little light under the blank space like it normally would.
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May 23, 2012
This morning my wireless mouse needed battery replacement. After that, the cursor disappears as I move it away from the dock area. If I move over buttons and am lucky, the proper action will take place but I cannot see the cursor. Sort of like playing Battleship game. Blindly move the mouse and hope I hit something. Although this is new this morning, I've had the same problem in the past but it went away. It seems worse or much more annoying this morning.My wired mouse displays the same problem. I had to borrow my wife's laptop to send this problem. The only program open is Safari.
Info:
27" iMac, Mac OS X (10.6.4)
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Jan 10, 2011
I'm not sure if this is cause for concern but it seems like my "free" memory has been really low as of late.
I use Safari and Mail 90% of the time. The other 10% is occasional iTunes use, MPlayer use, and Preview use. Is it time for me to upgrade to 4 GB of RAM?
Note - I do use the following extensions in Safari: AdBlock and YouTube5.
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Apr 3, 2009
I installed Leopard from an OS disk I purchased to upgrade from Tiger. I just went to launch Activity Monitor and it is not there? I checked Applications and Utilities. From what I read it seems that Leopard should have activity monitor.
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Sep 18, 2009
So maybe what I am looking for is in the activity monitor, but I just can't find it. I always see people on here posting screen shots of their CPU usage. If they have a quad core machine then there are four columns with blue in it showing the usage. Where can I find this in OS X, or is this a 3rd party program?
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Nov 5, 2009
Im running SL (updated of course) on my MacBook Pro 4,1. Im fairly new to Macs and to be honest I didnt even know about Activity Monitor till very recently. So I figured I would check out whats going on with my system and fire it up. Activity Monitor does not respond. It starts to open but then sits at this screen with a beach ball...
After a while I usually just Force Quit. Ive ran Onyx recently as well as Disk Repair and everything seems ok.
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Mar 14, 2012
brand new Mini 2011 with i5 chip.
I have an Apple Cinema HD 23" ( HDMI port) and a 19" off brand (Thunderbolt port) hooked up to the Mini. It is most noticable using Photoshop but happens using other software or just using Safari.
Moving cursor from one monitor to another it will disappear. does not happen all the time. clicking on desktop will make it come back. very inconsistant. I have applied all system and firmware updates. any solutions or are we still waiting for Apple to fix this.
Info:
Mac mini, Mac OS X (10.7.3), i5 chip with 8GB ram
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Aug 9, 2010
My doc disappears every few minutes than reappears suddenly. I have no idea why this is happening. When the doc disappears from the bottom of my desktop I cannot downsize anything until it reappears. Very frustrating! I tried to find something in system preferences but couldn�t. Has anyone else out there had this happen? I�m running 10.2.4.
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Nov 26, 2010
A while back I installed an application that allowed me to stream media from my Mac to my PS3, called Gridcast. It didn't work well, so I got rid of it. Since then I have had two processes constantly running, "gridcastd" & "GridCastAlerts." When i select and quit the processes nothing happens, they just continues to run.
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Dec 11, 2010
According to the screenshot, both Users (green) and System (red) uses 0,19% CPU each. Which means that idle (black) should be around 99%, which it clearly isn't. If I check each process individually, none is using more than 1% of CPU. The screenshot is taken after a reboot and I don't use and third-party background services like VMWare. It's Mac Pro 2.66 Quad (2009).
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Apr 4, 2009
Noticed a couple of processes in activity monitor I don't think I have seen before. Authorizationhos and ocspd. if they also have them or if they are supposed to be there and what they do?
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