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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4
votes
1answer
671 views

OS X Lion suppresses user's settings for the keyboard backlight

Recently I've upgraded to Lion and in general I'm not satisfied with its performance, but what's really annoying is that the login screen always sets the keyboard backlight to the max (even when I set ...
4
votes
1answer
1k views

Lion's Preview regularly hangs when unhiding with open documents

In Lion, I've had an incredible amount of difficult with Preview hanging indefinitely when restoring open documents after being hidden for any extended period of time. There is no immediate solution ...
4
votes
2answers
9k views

How can I change the default text color in Mail?

How can I change the default text color (black to dark grey) in Mail on Lion?
4
votes
1answer
5k views

Is there a way to turn off autosave feature in Lion OS X?

How can I turn off the autosave feature on all applications in lion?
3
votes
2answers
688 views

Enable HiDPI on 23" iMac?

I have a 23" iMac running Lion (10.7.3). I've checked that the "Enable HiDPI display modes" checkbox is enabled in "Quartz Debug" (it was checked the first time I opened it), but there are no HiDPI ...
3
votes
2answers
3k views

Can I get system sound along with QuickTime Player screen recording?

In Lion, Quicktime can do screen recordings. Is there a way to capture system audio also and then sync the two tracks into a movie with both system video out (The screen) and system audio out? I own ...
3
votes
3answers
2k views

.tar files on OS X Lion

How am I supposed to deal with .tar files with OS X Lion? I'm trying to install Ruby Version Manager, but Lion is throwing a fit about not being able to expand the tar file. This isn't the first time ...
3
votes
1answer
762 views

Why folders keep shifting their positions?

I bought a new MacBook Pro 15-inch model with highest specifications in this June. I also installed newest version of Mac OS X, Lion (updated). Yesterday, I turned on my computer and noticed that ...
3
votes
2answers
418 views

Why is this bar appearing in Safari?

Sometimes, when I try using a special character (⌥+U for ¨) a strange bar will appear at the bottom of my screen. This doesn't happen every time, just on and off for no apparent reason. I haven't ...
2
votes
0answers
158 views

Sandboxing certain OSX apps

I am running multiple modern internet and cloud related services. Is it possible to limit their access to parts of my filesystem? For example Dropbox only needs access to its Dropbox shared folder.
2
votes
1answer
670 views

What are the home and net folders I see within finder?

While a similar question was raised here, it doesn't seem to be a solid answer but more of a theory. In addition my case is a bit different as you will see below. You will note that I have two home ...
2
votes
4answers
3k views

Limit processor speed like in Windows

In Windows (Linux too), you have the very useful "Power saver" mode that limits the maximum frequency at which your CPU runs. Is there something similar in OS X?
2
votes
1answer
569 views

Character Picker stopped working in OS X Lion

Character picker inexplicably stopped working tonight in OS X Lion. I was trying to type in Spanish but now the keys which used to accept tildes or accents are merely repeating. I tried entering the ...
2
votes
2answers
827 views

OS X Lion: 8GB of RAM, 20MB free

I have a Macbook Pro (early 2011) running OS X Lion and while running a few apps that only take up, say, 200 MBs of space each (Xcode, Spotify, and Photoshop), my wired memory shoots up to 1.4GB, my ...
2
votes
2answers
1k views

Speed up Mission Control Preview Animation

Once in Mission Control, I like to able to preview the contents of each the Desktops in the larger preview section instead of only relying on the thumbnail view. You can accomplish this by entering ...
2
votes
2answers
2k views

Is it possible to maximize a Finder window without third-party software?

How can I maximize a window in Finder without using third-party software? I read this post but none of these tricks seemed to work.
1
vote
2answers
2k views

Emptying the Trash: not working

On Lion 10.7.3, when trying to empty the Trash from the GUI the items to be deleted are counted, and the the dialog doesn't progress anymore: Stopping emptying the Trash doesn't help much either: ...
1
vote
1answer
217 views

Internal keyboard QWERTY; External Keyboard Dvorak

Is there a way to configure a MacBook Air running Lion (10.7.1) to recognize the internal keyboard as QWERTY, but to attach an external keyboard configured to use the Dvorak configuration?
1
vote
1answer
231 views

How can I keep restore for apps in Lion without having session restore when I log in?

I want to have my apps start with their previous state (windows/tabs/documents), but I do not want to have all the apps I was running before logging out/rebooting/shutting down restart automatically. ...
1
vote
2answers
9k views

Unable to mount an NFS share

I'm trying to access my (Synology) NAS share through NFS and always get the same issue. First, I activated NFS support in my NAS: Then I set the permissions on the NAS: My MBP has the IP ...
0
votes
0answers
48 views

Unable install Lion on macbookpro2,2 with 3GB Ram

My MacBook Pro2,2 having all requirements to run Lion upto 10.7.5 but Installer fails with wrong message "Mac OS X 10.7 Lion requires a Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor." ...
0
votes
2answers
1k views

Time Machine stuck on “Preparing backup” whenever returning from Boot Camp to OS X

I have Windows 7 installed in Boot Camp. Whenever I go into Windows 7 and then go back to OS X Lion, and then run a Time Machine backup, Time Machine is stuck on the "Preparing Backup" stage for a ...
0
votes
3answers
8k views

Kernel SMC::smcReadKeyAction error

I just looked in the OS X Console, and noticed that there's a huge number of errors looking like this: 6/12/12 8:33:16.000 PM kernel: SMC::smcReadKeyAction ERROR F1Mn kSMCBadArgumentError(0x89) ...
0
votes
1answer
437 views

USB Lion Recovery Disk fails to boot

Per What's the best way to create a stand alone recovery disk for Lion?, I'm attempting to create a two-partition thumbdrive such that one of the partitions is the Recovery Disk created by ...
0
votes
1answer
3k views

How long should Lion take to set up Spotlight?

I updated my Mac from Snow Leopard 10.6.8 to Lion. Everything went well. The computer restarted when the OS setup finished. Now, Spotlight setup has been running for more than two hours. Is something ...
-1
votes
1answer
135 views

mac cannot bootup Mac OS X

Installation of Windows 7 on my MacBook Pro prompts me that it requires a CD/DVD device driver. I ejected my DVD and then got a window displaying "No bootable device--inset boot disk and press any ...
65
votes
3answers
8k views

Can I disable the Lion animation when switching to/from fullscreen apps?

In Lion there is an animation when switching to and from full screen applications. Full screen apps are great, especially on a 11" screen, but this animation is getting very annoying. Is there a way ...
23
votes
6answers
10k views

Can Finder delete a file directly and bypass moving it to the Trash?

Is it possible to really delete a file (ie, bypass the Trash) from Finder? Currently, when I want to reclaim space from a USB drive, I rm files/folder from the Terminal, but I'd like to do it from the ...
26
votes
3answers
14k views

Homebrew permissions & multiple users needing to brew update

I'm using Homebrew to manage package installs on Lion (Lion Server actually but this shouldn't matter). Homebrew was installed under one user. Now a different user would like to add a package and ...
18
votes
3answers
2k views

Is there a way to suppress badge counts and the dock icon bounce for Terminal.app in Lion?

With the new state saving features (which I want to keep), the dock notifications are more aggrivating to me in Lion. Can I suppress the bounce and/or the notification badge functions? While I like ...
16
votes
4answers
8k views

Disable a user's ability to unlock a FileVault 2 volume at startup/login time

I recently performed a clean install of Lion on one of my Macs. The installation process created one administrative user account. After installation, I enabled FileVault for the entire disk. Then, I ...
9
votes
4answers
4k views

Creating an automated HFS+ compressed folder

I would like to set up an automated way for archiving files in OS X Lion. By archiving I mean using HFS+ compression feature on a specific folder, and make every file that I move into this folder ...
23
votes
4answers
7k views

Cmd+Tab switches to the correct space, but doesn't bring app up to front

I have a problem (bug?) with application switching on Lion. I use two Spaces. Say one has Postbox open, and another has Firefox and Vim. Vim is in the foreground, and Firefox's window is behind it. ...
14
votes
4answers
7k views

Is it possible to remove the Dock in Lion?

Is there a defaults write command to remove the dock in Lion. I tried the steps mentioned but that does not seem to work on Lion. I can still see the dock. Are there hidden defaults that can make the ...
17
votes
4answers
17k views

Upgraded to Lion: Time Machine spends a LOT of time indexing backup

I upgraded my MacBook Pro to Lion and one of the problems I've had is that Time Machine keeps running and running, and the fans go on. This usually seems to be in the state where it indexes the ...
43
votes
12answers
6k views

How long can I expect my system to be unusable during an upgrade to OS X Lion?

I just downloaded Lion and am pretty eager to install it, but I can use every minute I have, so I'd rather not install it now if it means my system is unusable for 30+ minutes. How long should I ...
11
votes
2answers
5k views

MTMFS consuming an entire CPU core and fans running full bore with Lion

You may be aware that Lion introduced MTMFS, the Mobile Time Machine File System. I've had a couple of instances now where MTMFS has been chewing up an entire core of my dual-core (mid 2009) MacBook ...
14
votes
5answers
11k views

How do I show hidden files in Finder with a keyboard shortcut?

What is Ubuntu's CTRL+H equivalent in OSX Lion Finder to toggle display hidden files? My all searches point me to use: defaults write com.apple.finder AppleShowAllFiles TRUE which is not exactly the ...
14
votes
7answers
17k views

Spotlight reports “Indexing and searching disabled” in Lion

Lion keeps "losing track" of Spotlight information. Directories and Applications disappear, full text searches stop working, etc. I seem to need to re-index it once a week or so. However, now it ...
12
votes
4answers
3k views

Is there a way to make Preview not open all previously opened files?

Usually when I use Preview, it is when I see a .jpg or .png and I double click on the file to take a look at the file, but sometimes Preview will open up all the .pdf and .png I opened previously, ...
10
votes
7answers
3k views

How can I create a Saved Search that excludes a specific folder from the results?

I'm trying to set up a Saved Search of my Mac that will exclude files in a folder called 'XYZ' from the search results. The reason is because I'm getting a ton of false positives from that folder that ...
9
votes
1answer
6k views

How do you customize Lion Finder sidebar icons?

I'm not looking to hack resources or use SIMBL plugins, but I would like to be able to show custom icons in the Lion sidebar. As far as I've understood custom icons on the folder no longer show up in ...
6
votes
3answers
35k views

Managing and removing startup processes on OSX Lion

My Startup Items for my username (i am admin) shows only dropbox - yet a look at my processes (in activity monitor) shows other helper processes from Adobe, Lexmark, etc, etc. Where can I see and ...
5
votes
3answers
3k views

Internet Sharing stuck on after 10.7.3 update

I use Internet Sharing at work to create a local WiFi network (sharing the GigE connection) for my various iOS and tablet devices to connect through. After the 10.7.3 update, I cannot turn sharing off ...
1
vote
0answers
638 views

Control program other than iTunes with bluetooth headphones

I am using bluetooth headphones with OS X Lion. The headphones (like most bluetooth headsets) have built-in play/pause and back/forward controls. Using the play button will always launch iTunes, ...
16
votes
3answers
3k views

How can I change Fn keys usage based on application?

I would like to know if there is any application that can enable you use use Fn keys differently based on the current application. For example in terminal or you favourite IDE you want to use them as ...
15
votes
4answers
5k views

FAT or exFAT or NTFS

I recently brought Western Digital's Passport Essential, and will be using with my MacBook (running Snow Leopard), MacBook Air (running Lion) and Windows 7 Desktop. I should be able to read-write data ...
14
votes
2answers
13k views

Why are some Mail messages shown as empty with “This message has no content”?

Sometimes new messages come in and Mail (on OS X Lion and Mountain Lion) shows them as empty, with "This message has no content" in the preview column. The message is empty in the full message view ...
12
votes
7answers
32k views

Is there a Windows remote desktop client compatible with Lion's virtual display feature?

With Lion, you can use screen sharing to connect to a "virtual display", meaning that you log in to a new session instead of 'hijacking' the currently active one. Is there a Windows program that can ...
9
votes
3answers
5k views

How do I make Terminal.app's scrollbars disappear in Lion?

Once I upgraded to Lion, I found out that the vertical scrollbar is always plastered to the right side of the application window. Because I run GNU Screen within Terminal.app, the right side of the ...