Lion is the marketing name for OS X v10.7, the seventh major upgrade to OS X. As of this release, Mac was dropped from the marketing name of "Mac OS X".

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1k views

How do I troubleshoot a lockup that occurs when plugging in an external monitor?

Since installing Lion, nearly every time I plug my 13" MacBook Air into my 27" Dell display, the Mac locks up. (The mouse pointer stops moving.) I can't do anything except shut it down and reboot. ...
6
votes
3answers
20k views

How to diagnose repeated OS X hang / spinning beach ball of death?

Here are my stats and brief summary of the problem: macbook pro; mid 2009; 13 inch; 2.26 GHz; 4GB RAM (currently, will elaborate); 10.7.5 The issue I'm having is that the computer constantly gets ...
4
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8answers
30k views

Why does iCal often say “The server responded: 403 to operation CalDAVSetPropertyQueueableOperation.”

This happens on both my MacBooks running 10.7.3 and has done at least since 10.7 and with iCloud. My calendar seems to work fine from my iPhone. This popup says "Access to account “iCloud” is not ...
2
votes
1answer
2k views

Installing Mavericks instead of Yosemite

I am trying to install Mavericks (I have my reasons not to install Yosemite yet) on my MacBook with Lion. Obviously the possibility to upgrade to Mavericks from the App Store is now gone so one must ...
0
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1answer
6 views

is there a way to set the settings on an external webcam?

I would like to change the brightness settings of a USB webcam. Is there a way to do that without installing extra software on Lion?
12
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1answer
813 views

How to access a clicked URL in a URL handler application created in Automator

I'm currently trying to modify the default URL handling behavior in OS X. I would like, when clicking on any link outside of a web browser, to copy this URL to the pasteboard instead of opening it in ...
4
votes
1answer
3k views

How can I get the PostScript name of a TTF font installed in OS X?

I have a TTF font installed on my Mac that I have added to an X-Code development project. For the life of me, I can not get it to work with my application but I think it's because I'm using the wrong ...
3
votes
1answer
2k views

Confounded by permissions problem on NFS share

I'm setting up an NFS server (Ubuntu) to serve files to several Macs (10.7). The way it's set up, I can log in from any Linux client and read/write over NFS exactly as expected. (I've set up ACL ...
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2answers
3k views

Resetting MBR on iMac

I installed Ubuntu on my iMac (partially successfully) I had rEFIT installed but it did not recognize the Ubuntu installation. I removed the partition and rEFIT and now when I attempt to install ...
1
vote
1answer
2k views

AppleUSBCDC weirdness after strange incident

I use my MBP propped on one of those laptop stands, ergo my external USB mouse and USB keyboard (both generic cheap-ass Logitechs) are always connected through a powered Belkin USB hub. Yesterday I ...
3
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4answers
499 views

Full Screen Mail.app with other windows in other Desktops - Lion

I use Mail.app in full screen mode quite frequently. However, I often like to open up and individual message for a task I'm working on and move it to a different Desktop. Opening up a message in ...
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5answers
6k views

How can I open a Finder window in Desktop without switching to another one?

I have these five desktops with a dozen of full screen apps and feel very happy. Say I'm at right Desktop 5 now. (Sadly my picture is deleted since it wasn't uploaded to the site hosting service) ...
0
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0answers
18 views

Adding OSX to Ubuntu

I have recently installed Ubuntu 14.04 on my 2007 Macbook. However, I want both OSX and Ubuntu. I have the .iso for OSX Lion, how do I make it so that I can dual boot from either OS?
7
votes
2answers
1k views

How to delete saved versions in Mac OS X Lion

The new Versions feature in Lion stores old versions of the document I'm working on in case to revert back to some older version of the document. However, how can I delete the version files for a ...
1
vote
3answers
1k views

mail.app missing plug-in

Today I opened mail.app and my mail attachments showed up as "missing plug-in". I faced this issue before, at that time I quite the mail.app and opened again were fix the problem. Now that also not ...
5
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1answer
985 views

Lion Server DHCP randomly loses settings and reverts to defaults

I’ve been trying to set up Lion Server on a Mac Pro with it acting as the router/gateway/firewall/DNS/NAT and DHCP. I’ve been trying to setup an internal-only network named mycompany.something. After ...
2
votes
1answer
26 views

Is there any way to let apple know shellshock patch download is broken?

I am trying to patch Lion (10.7.5). According to shellshocker.net, I am vulnerable to 6 out of 7 possible exploits. The download link for Lion is broken: ...
0
votes
1answer
1k views

Mac Pro hangs at startup showing white screen with spinning pie wheel

MacPro 1,1; lion? startup hard drive failed (with loud buzzing). Removed bad drive, installed replacement, inserted Lion USB drive, verified new drive using the Lion usb drive, started installation ...
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0answers
24 views

OS X Lion restore

I have an iMac that runs Lion at work that I can't restore. If i press command + r while booting I do get into the recovery screen. When I press "Reinstall OS" it says "Unavailable try again later". ...
3
votes
3answers
1k views

Apple Mail reply arrow not working reliably

I'm running Lion, connecting to an Exchange 2010 server. Sent messages are stored locally. Once I've replied to a messages in my Inbox, the "replied" arrow appears to the left of the message, as ...
8
votes
2answers
928 views

Time machine backup/restore: “This user's data doesn't need to be transferred”

So, I had a MacBook Pro 15", Late 2011, that I've been using daily since I got it last October. I set up time machine and every day after work, I would bring my laptop home and plug it into my time ...
2
votes
2answers
1k views

How can I navigate any directory in Finder?

The Finder shows several particular directories in the home folder. It does not even show directory I made in the home folder. But I do want to navigate any directory of the file system. How can I do ...
0
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1answer
62 views

How to diagnose repeated OS X hang / spinning ball of death?

I got this error with everyday tasks. I tried verifying disk, permission. fsck -fy - files has been modified, then disk is ok. I repaired keychain. Do you have any idea what causes this problems? ...
2
votes
1answer
331 views

Keyboard Shortcut for moving left/right a space doesn't work

After going to: Preferences > Keyboard > Keyboard Shortcuts > Mission Control I am able to assign a keyboard shortcut to move left/right a space. However pressing shortcut I assigned does not ...
2
votes
2answers
926 views

How do I mount an Windows SMB server as a writeable volume on Lion?

When trying to mount an Windows file service over SMB (Samba) in Lion I get the following error when trying to write: % touch testfile.txt touch: testfile.txt: Read-only file system ...
2
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4answers
3k views

How to fix AFP where some users connect after 4 minutes and others never connect (spinning progress bar and no authentication dialog)?

I am having an issue for multiple (but not all) users whereby AFP connections are taking 4+ minutes to connect to the share. Some never connect. The spinning progress bar sits there but no auth window ...
2
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1answer
3k views

Quicktime Screen Recording doesn't work in Lion

When starting a new Screen Recording in Quicktime Player in Lion 10.7.3, as soon as I click record I get this following error message: Here's a video demonstrating the issue: http://db.tt/CROyXgIt ...
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vote
3answers
1k views

To repair permissions for Lion, is it safe to use Disk Utility in Recovery OS for Mountain Lion?

Background and question I read of someone using a Mountain Lion Recovery System to attempt repair permissions of an installation of Lion. I understand that for repair of permissions of Lion, it may ...
8
votes
3answers
7k views

Changing Airdrop Folder

Is there a way to change the default Airdrop location from the Downloads folder to something else? I have changed the location of many other applications, so I assume it's possible, even is possibly ...
0
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0answers
15 views

Signed app is not opening after installing from Package

I have created an OS X application and signed it with my Developer ID. I archived the application and then just exported it as Application and here it is working fine. But, when I exported it as ...
1
vote
1answer
10k views

OSX Mavericks not downloading from Mac App Store (Lion)

I have OSX Lion 10.7.5 and am trying to download the new OSX Mavericks. There is free upgrade option in the Mac App store, which I click and it starts downloading on the launchpad. But when first ...
4
votes
2answers
6k views

Install an older OS X version on an external volume

I am using 10.9 and would like to install 10.7 on an external volume. I have the “Install Mac OS X Lion” application, but when I run it, I get the message This version of Mac OS X is too new to ...
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votes
2answers
6k views

Cannot access vital boot options on Mac Pro with OS X Lion

I have this used Mac Pro (mid-2010) that I recently bought, that came with OS X Lion installed. It was apparently installed from an image because there are a lot of installed apps and, though there is ...
8
votes
2answers
4k views

Are the changes to Lion's screen sharing documented anywhere publicly?

I am looking for a general technical overview of the changes Lion brought to screen sharing (VNC). Specifically, the server now can differentiate and communicate the difference between dropping in ...
1
vote
1answer
2k views

Safari won't enter fullscreen

I'm currently running Safari 5.1.4 on Mac OS X Lion 10.7.3, and after bringing it out of the fullscreen mode, I quit safari using Command+Q. When I restarted my Mac, for some reason, Safari won't ...
6
votes
5answers
10k views

Can we upgrade PowerPC Macs to OS X 10.7 now that 10.8 is out?

I know that 10.8 is out now, but we have older Macs that will not work under 10.8, as they do not have Intel processors. Can we still buy and get 10.7, which I believe will support older CPUs?
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vote
2answers
406 views

Lion orphaned installer

After upgrading to Lion, and verifying/repairing my disk, I noticed a 3.5 GB file in /lost+found. Ran file on it and it reported it as an xar archive, so I ran xar -t on it to discover it is the Lion ...
0
votes
3answers
6k views

Reinstall OS X Lion on Macbook Air 2012

I have a MacBook Air (11-inch, Mid 2012) MD223LL/A MBAIR 11.6/1.7/4/64FLASH running OS X 10.7.5. It shipped with Lion. I want to reinstall the OS on the laptop without an internet connection. Is this ...
2
votes
3answers
4k views

Blue Box with White Question Mark

On certain websites (minecraftforum.net) most images appear as a blue box with a white question mark in it on safari. On my school forums (private to the school only, so can't link) normal images work ...
5
votes
2answers
4k views

Set ForkLift as default file viewer

Is there a way to set ForkLift as the default file viewer, to a degree? PathFinder somehow does this, see http://cocoatech.com/faqs#3, but how does it do this and could that option be set to redirect ...
1
vote
2answers
29 views

How to view path of Dock Icon

I moved a folder and now the dock item cannot find the application. How can I view the path of the pointer in a Dock item?
0
votes
0answers
487 views

Strange issue with Apple wireless keyboard on my iMac: Shift + W won't work

I noticed this problem earlier today, pressing left shift + W to type a capital W does not work. I can get a capital W by using the right shift key, or the caps-lock, but not with the left shift, ...
4
votes
2answers
1k views

Login screen freezes after the Lion 10.7.1 update

After updating to 10.7.1 (the first Lion update) & restarting the system, it's not logging me in. As I give my password and press return it stays on the same login screen. I could move the mouse ...
28
votes
7answers
26k views

OS X computer name not matching what shows on terminal

My computer name in System Preferences > sharing is set to "archos" but is showing as "iphone" on the terminal. It just started doing this after I loaded Xcode for doing iPhone development. Last ...
3
votes
3answers
5k views

Built-In Trackpad and Keyboard Unresponsive after Sleep or Restart

I have a MacBook Pro (15-inch, Early 2008) that's currently running 10.7.3. I've been finding that it will intermittently freeze and then I have to shut down and restart the computer, but sometimes ...
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2answers
63 views

Where did this file come from

I started up Disk Utility to mount an external HD and noticed an image file decryptedFile.dmg Any idea where this file could have come from ls -l@ shows:- -rw-r--r--@ 1 root wheel 15643651 17 Feb ...
2
votes
2answers
598 views

Allow the Terminal.app to pass command key based keystrokes to terminal programs

I want to allow programs running in the terminal the ability to interpret the keyboard short cut Cmd + S I have already Remapped the Terminals' default binding of Cmd + S to Ctrl + S via the ...
4
votes
4answers
2k views

OS X Mountain Lion/Lion Deep Sleep on low battery

I'm having an issue on my Mac since I installed Lion and now Mountain Lion (I thought that the Lion problem could be because I've put an SSD in my Mac and did not make a fresh install but a carbon ...
4
votes
2answers
2k views

Why can't my MacBook Air run Software Update?

One of the first things that I tried to do when I got my new MacBook Air out of the box was upgrade iTunes to 10.5 (through Software Update). It downloaded the files (four different updates in total), ...
0
votes
1answer
2k views

OS X Lion SMB shared folder lost execute permission

After updating from 10.6.8 to Lion 10.7.0, my shared folder (shared over SMB) begin having strange problem with my Windows VM. When I create a .exe file from my Delphi compiler or create simple test ...