OS X 10.8, Mountain Lion

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16
votes
1answer
3k views

Shortcut to revert autocorrect change

I like the autocorrect feature, but sometimes I want to revert to the word I typed. If i backspace to the word, I see an overlay with the word as I typed it, but can't figure how to revert to it ...
16
votes
2answers
8k views

Mountain Lion sleeps too aggressively

For me, Mountain Lion always seems to sleep whenever there is no user action, even when the computer is still doing something. In my case it always sleeps in the middle of running a batch operation in ...
16
votes
5answers
12k views

No email notifications when Mail.app isn't running?

On Mountain Lion, I don't get email notifications in Notification Center when Mail.app isn't running. This is not the expected behaviour (it is inconsistent with the Mail.app behaviour on iOS) and ...
15
votes
6answers
7k views

How can I expand the number of special characters I can type using my keyboard?

I am aware that when I press ⌥ or ⇧⌥ on my Mac, I can type a variety of special characters. I also know that I can insert special characters using the character palette. Is there a way to expand the ...
15
votes
7answers
26k views

How to check if my HD is case sensitive or not?

How can I get information if my HD format is case sensitive or case insensitive? I want to make sure my Mac running Mountain Lion has a case sensitive file system.
15
votes
1answer
13k views

How to view progress when encrypting a disk?

Mountain Lion allows one to encrypt any disk by right-clicking on the disk in the Finder and selecting Encrypt from the contextual menu. Is there anyway to check on the progress of this encryption ...
15
votes
1answer
859 views

How do I remove the iCloud-first behavior in Mountain Lion?

In Mountain Lion, I have iCloud activated for Documents. I'd like document-saved-in-the-cloud to be an option, but not the default, as in "if I choose iCloud from the dropdown, save in iCloud, else ...
15
votes
3answers
21k 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 ...
15
votes
2answers
4k views

What does the secure keyboard entry menu item in Terminal app do?

What does this option in Terminal do? It seems to have no effect on anything.
15
votes
2answers
14k views

what is com.apple.coresymbolicationd in caches?

Doing some cleanup on my Macbook Air with 128 SSD looking for big files to reduce space used. I found something named com.apple.coresymbolicationd that is 1GB in the library/caches folder I don't ...
15
votes
15answers
46k views

Wi-Fi connection randomly disconnects on 2012 MacBook Air

My 2012 MacBook Air has problems with Wi-Fi – random disconnections, every few minutes. The problems occurred with Lion, and persist after an upgrade to Mountain Lion. It seems the Wi-Fi drops ...
15
votes
3answers
13k views

How to hide notification center button in Mountain Lion?

I am using Mountain Lion. The only advantage (for me) over the gesture is that Option + clicking the button enables/disables showing alerts and banners (toggles the switch in the notifications ...
15
votes
2answers
3k views

How do I use AirDrop from the Terminal?

Is there a way to share a file over AirDrop via Terminal on Mountain Lion? How so?
14
votes
5answers
34k views

Damaged and can't be open app error message

I bought the iBoostUp app when I was using Lion, and one day it suddenly stopped working, I uninstalled it, and yesterday I got Mountain Lion hoping that it would get magically fixed, but it didn't. ...
14
votes
2answers
8k views

Why does my Mac's list of “Open with” applications start listing the apps twice and sometimes three times?

When I right-click on a file on my Mac OS desktop and then in the contextual menu, I move to the "Open with...", the list of potential applications to "open with" has applications listed multiple ...
14
votes
3answers
11k views

How do I have Safari 6 ask before quitting (to avoid accidental quits)?

Safari used to have a preference option to confirm before quitting, now that has disappeared. It's so easy to quit accidentally and lose all your tabs. I know you can resume or re-open the previous ...
14
votes
2answers
10k views

Audio balance is being changed randomly in a MBP retina 15'' mid 2012

I'm having some strange issues on my MBP retina , suddenly it changes the audobalance, and the right speaker is being almost muted. Anyone knows what could be wrong here? I have OSX 10.8.2
14
votes
2answers
456 views

Avoid showing hidden applications in the cmd+tab navigation menu

I recently switched to OS X Mountain Lion. I have applications like Skype and Pidgin which start at login and are hidden, but when I have more applications running and I do ⌘ cmd + ⇥ Tab to switch ...
14
votes
2answers
365 views

Time separators blinks inconsistently

If I have OS X display the time in the menu bar with blinking separators, the seem to blink inconsistently. I've taken a 32 second video of the effect. It's happening on two of my MacBook Airs, 13" ...
13
votes
4answers
34k views

How to get back the missing monitor option in Mountain Lion's menubar?

When plugging in an external monitor on every OS X < 10.8 you could set the monitor options to show up on the menu bar. How do I get this option on Mountain Lion? I connect a DVI monitor via the ...
13
votes
3answers
15k views

How can I add missing avatar/profile pictures in Messages?

In the new Messages application introduced with Mountain Lion, I cannot see my own avatar. This is happening even though my Messages.app email is linked with my contact in Contacts.app. No Avatar ...
13
votes
3answers
11k views

How do I set a custom avatar for my account profile in Mountain Lion?

I just got Mountain Lion. On previous versions of OS X, I could choose a photo from the filesystem as my account avatar. This doesn't seem possible under the Users & Groups section of System ...
13
votes
4answers
46k views

How to write on FAT32 and NTFS from Mountain Lion?

What is the best free software for OS X Mountain Lion for enabling write support for FAT32 and NTFS?
13
votes
3answers
3k views

Remove shift key augmentation for Mission Control animation

I recently upgraded to Mountain Lion and all of a sudden my key bindings for Sublime Text 2 multi-selection editing are no longer working. Specifically, I had key bindings set up for ...
13
votes
6answers
12k views

Can I disable auto-correction of a single word on OS X?

I'm running into an annoying issue with OS X's automatic spelling correction where the word nala gets automatically corrected to napa. I've tried adding nala to my custom dictionary under ...
13
votes
1answer
2k views

Is it possible to always show hidden/dotfiles in Open/Save dialogs?

It is possible to show so-called dotfiles/directories like .git or files/directories that have the Hidden attribute in the Finder by running defaults write com.apple.Finder AppleShowAllFiles 1 ...
13
votes
4answers
87k views

How to fix broken EFI partition?

I have an iMac running OSX Lion. I also installed bootcamp and Windows 7. During the install of Windows 7 I wasn't paying complete attention and deleted and formatted the EFI partition. I didn't ...
13
votes
5answers
8k views

How to revert Safari 6 Web Inspector?

The new Safari 6 Web Inspector UI is a usability nightmare for me due to loads of tabs/panes with small icons and no labels. It also seems to complicate common tasks like showing a list of XHR ...
13
votes
6answers
14k views

How to set screen resolution with a keyboard shortcut on Retina MBP?

I've found myself switching between the 1440x900 and 1920x1200 "effective resolution" setting depending on what I'm doing (need more space on screen, etc). Is there a way to toggle between these two ...
13
votes
7answers
6k views

How do I enable the Debug menu in Calendar?

The following command entered in Terminal will enable the Debug menu in iCal (Lion): defaults write com.apple.iCal IncludeDebugMenu YES I would like to accomplish the same thing in Calendar ...
13
votes
1answer
6k views

Homebrew doctor warning: you have unlinked kegs in your Cellar

How do you fix this? $ brew doctor ... Warning: You have unlinked kegs in your Cellar Leaving kegs unlinked can lead to build-trouble and cause brews that depend on those kegs to fail to run properly ...
13
votes
1answer
13k views

Disappearing Alerts - Notification Center not working as per Preference Settings

I'm trying to understand how to get Notifications working properly in Mountain Lion. I understand all the concepts about how to enable them, and configure them etc, but it doesn't seem to work as ...
13
votes
2answers
762 views

How can i enable Time Machine encryption on the command line?

Is is possible to enable encryption for a Time Machine target disk with a script/using the command line? Is an encrypted Time Machine disk really just the same as a normal disk, full-disk-encrypted ...
13
votes
6answers
32k views

How to refresh Messages on Mac after hibernation?

I've set up iMessage on my iPhone correctly (apple id) with Messages on my Mac (OSX Mountain Lion), and it syncs. But the syncing isn't flawless.. Everytime I wake up my Mac after hibernation, it ...
12
votes
3answers
16k views

Does the Microsoft Intellipoint software work with Mountain Lion?

I've been using the Microsoft Intellipoint software with Leopard, Snow Leopard, and currently Lion, to provide mouse cursor movement that feels a lot more like Windows. Has anybody tried installing ...
12
votes
8answers
7k views

Does Notification Center have keyboard shortcuts?

Are there any keyboard shortcuts for controlling Notification Center on OS X Mountain Lion? Of particular interest is a shortcut equivalent of the Click to Tweet button that appears at the top of ...
12
votes
3answers
5k views

How safe is it for me to install Java on OS X 10.8

I know very little about how Java works and its interactions with OS X, so I'm partly looking for an expert and simple description on how Java works on the Mac, and why so much press includes "fear, ...
12
votes
4answers
29k views

Multiple Java versions support on OS X and JAVA_HOME location

I know is possible to have multiple versions of Java on OS X but i find it difficult to understand how it works. I upgraded to Mountain Lion and now echo $JAVA_HOME is empty. However in ...
12
votes
3answers
7k views

Can Gatekeeper be disabled via terminal in OS X 10.8 Mountain Lion?

How can you disable Gatekeeper via Terminal Commands in OS X 10.8 Mountain Lion? I am looking to replicate the Security & Privacy preference pane selection to allow applications downloaded from ...
12
votes
6answers
5k views

What hooks exist into Notification Center / twitter so that I can tweet programmatically?

I'm specifically looking to design a custom action for LaunchBar so that I can initiate a tweet from that utility. Since Notification Center has a "Click to tweet" button, I wondered if Notification ...
12
votes
6answers
5k views

10.8 reminders snooze duration

When I get either a Calendar or Reminders notification, I have the option to 'snooze': I would like to be able to say something like 'remind me in 10 minutes' or 'remind me in 2 hours' (much like ...
12
votes
3answers
23k views

Reinstall Mac OS X Mountain Lion before selling a Mac

I want to sell my laptop (Macbook Pro late 2011). I have erased my disk drive but it seems that I cannot reinstall Mac OS without an Apple ID. At the origin my mac was shipped with Lion, I have ...
12
votes
4answers
20k views

How to switch language of OS X dictionary?

In Mountain Lion the OS X internal dictionary that you can fire up by right clicking a word, or by using the dashboard widget, seems to have gained at least one new language: German. Since German is ...
12
votes
1answer
10k views

Do /etc/resolver/ files work in Mountain Lion for DNS resolution?

Can anyone tell me if adding a file under /etc/resolver will work for DNS resolution using a DNS server other than what is handed out via DHCP ? My issue is that I want to use OpenDNS for a clients ...
12
votes
8answers
5k views

getting “out of memory” error when trying to load specific websites (am not out of RAM)

UPDATE: Rich's solution (with the checkmark) solved my problem! I also posted an answer with a workaround that may help if Rich's solution doesn't work for you. The answer that received the bounty was ...
12
votes
5answers
6k views

How can I dismiss the App Store banner in Notification Center without taking an action?

This is the notification that pops up from the App Store on Mountain Lion: As you can see, the only options are Details and Update. Most of these banners have a 'close' button, to dismiss the ...
12
votes
1answer
4k views

How can I prevent my Mac from periodically whooshing at me?

Seemingly randomly throughout the day, my mac will "whoosh" at me. I set up Messages, but whenever I switch to Messages after the whoosh, I don't have any new messages and usually my buddies are set ...
12
votes
2answers
2k views

How to make a .dmg file?

I know how to make a .dmg file but I do not know how developers (Mostly games) create a window where there is the software file and sometimes theres a readme file. When I create, It shows just a ...
12
votes
6answers
35k views

Move iPhone notes to iCloud

So, today 10.8 released, and I have empty list of notes on my mac. But I have some notes on iPhone, which are not in iCloud. How to move them into iCloud?
11
votes
4answers
14k views

Eclipse 4.2 on Mountain Lion: gatekeeper rejects as unidentified developer?

Just updated the mountain lion, and download the latest Eclipse 4.2 to upgrade the old one. However when opening the application, it shows that it is from an unidentified developer and the gatekeeper ...