OS X 10.8 "Mountain Lion"

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20
votes
8answers
56k views

Why does a .DS_Store file keep appearing on the desktop?

Every time I delete it from the desktop, I get the same file ".DS_store" created after some time. Is there a reason why this happens ? And can I permanently stop it from being created ?
20
votes
5answers
14k 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 ...
20
votes
2answers
7k views

Why ever does Parallels 8 recommend max 4 GB RAM for a VM?

I'm a VMware Fusion user and am trying out Parallels since VMware has some quirks that are annoying on Mountain Lion on a retina MacBook Pro (16 GB RAM). I'm wondering about the baffling Parallels ...
19
votes
1answer
4k views

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

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 ...
19
votes
2answers
6k 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.
19
votes
7answers
13k views

How can I enable Trackpad tap-to-click for the login window in OS X 10.8?

In older OS X versions, this used to work just fine: defaults write /Library/Preferences/.GlobalPreferences com.apple.mouse.tapBehavior -int 1 It would enable tap to click for built-in MacBook ...
19
votes
4answers
23k views

How can I force Mountain Lion's Messages app to refresh a conversation?

Sometimes when an iMessage comes in and I switch to the Messages app, the conversation doesn't contain the new message. I know the message was received because an alert banner popped up with the ...
18
votes
4answers
116k 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 ...
18
votes
3answers
32k 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 ...
18
votes
2answers
9k 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 ...
18
votes
4answers
13k views

Delay in keyboard responsiveness after wake with Mountain Lion?

After upgrading to Mountain Lion, now when I open the lid to my 2010 13" MacBook Air, there is a 3-5 second delay between when the screen powers on and when the keyboard will respond to key presses in ...
17
votes
3answers
16k 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 ...
17
votes
6answers
99k views

How to mimic Safari 5 Activity window with Mountain Lion, to save FLV video files?

With Safari 5 in Lion, I used the Activity window to save video files. Safari 6 has no Activity window. With Mountain Lion, what is the best way to replicate what I could do before?
17
votes
2answers
14k 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
17
votes
4answers
11k views

Why does Apple not support Power Nap on some of the Macs that have Power Nap capability?

Apple has already released the OS X Mountain Lion Technical Specifications which lists some Macs as excluded from certain features of Mountain Lion including: Power Nap When is a Mac excluded from ...
16
votes
3answers
15k 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 ...
16
votes
4answers
144k views

How do I make the hard drive visible in the Finder?

On OS X Lion I don't see the hard drive in the Finder and I seem to have no permission to create a folder under / from terminal. I know I can do this if I activate the root user, but I need to be ...
16
votes
8answers
2k views

What features from Lion will be lost when upgrading to Mountain Lion?

I know Mountain Lion has some cool new features that Lion did not have, but will it overwrite any of Lion's functionality?
16
votes
4answers
20k views

How to re-download Lion from Mountain Lion

I'm currently running Mountain Lion, but I'd like to redownload Lion (to create a bootable install drive). However, when I click the download button in the App Store, I receive a message telling me my ...
16
votes
1answer
15k 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 ...
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
2answers
5k views

OS X: disable CMD-H or “Hide App” command?

I never (intentionally) hide an app with ⌘H, which could be rebound for each app (e.g. Finder), but this is obviously the wrong approach. So, (how) can you disable ⌘H for application-hiding in one ...
16
votes
2answers
4k 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?
15
votes
3answers
10k views

Remove notifications for one specific email account on Mountian Lion's Mac Mail

Is it possible to set or disabled Mail notifications on a per-account basis on mountain lion's notification center? I have shared email that gets a lot of email that I only neet to check once in a ...
15
votes
1answer
928 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
15answers
51k 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
14k 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 center)...
14
votes
4answers
38k 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 ...
14
votes
3answers
17k 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 ...
14
votes
3answers
13k views

How to disable three-finger tap word lookup?

Just upgraded to Mac OS X Mountain Lion, and I'm loving it so far. One thing I don't care for though is that now, three-finger tapping links—or anything, for that matter—brings up popups with the ...
14
votes
6answers
57k views

How to save chat logs in Messages for Mountain Lion?

I always used to save my Chat logs because I use IM in the professional environment. Now I find that I can’t save chat logs anymore. That option is gone. Is there any workaround or hidden preference ...
14
votes
2answers
9k 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
2k views

copy last command in terminal

I can see last command in terminal by pressing up arrow as in following example: I typed cd /: Makss-Mac:~ maks$ cd / ... pressed enter, command cd / executed and now I can press up arrow and see ...
14
votes
2answers
51k views

What is the “wake for wifi network access” setting in energy preferences?

Can anyone explain the "wake for wifi network access" setting in energy preferences for me? I do not understand it.
14
votes
2answers
11k views

Computer slows when battery is low

My Macbook Pro running Mountain Lion slows down dramatically when the battery is below 4-5%. All the applications running are very slow to respond, and several have the "Application not responding" ...
14
votes
2answers
512 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
409 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" ...
14
votes
6answers
80k 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 won'...
13
votes
3answers
18k 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 ...
13
votes
4answers
53k 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
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 ...
13
votes
3answers
28k views

How to tell Google Chrome to use my Keychain

Background: Story: A colleague of mine told me about 1Password and it seems good to me. I am always trying to use tools which Mac OS X itself gives me, so I've given the Keychain a try. It seems ...
13
votes
4answers
28k 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 ...
13
votes
1answer
5k views

Updating everything installed through Homebrew on Mountain Lion [closed]

After updating to 10.8 ‘Mountain Lion’ I’m wondering whether it would be vise to rebuild everything I have installed through the packaging system Homebrew (similar to MacPorts) to ensure all ...
13
votes
8answers
6k 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 ...
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
16k 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
7k 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
7answers
41k views

Move iPhone notes to iCloud

I have OS X 10.8, and there is an empty list of notes on my Mac. But I have some notes on my iPhone, which are not in iCloud. Instead, they are local notes in the "On My iPhone" folder. How to move ...
13
votes
1answer
14k 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 ...