Questions tagged [el-capitan]

OS X 10.11 El Capitan

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5
votes
3answers
7k views

Can I make my own kernel extensions on El Capitan?

I have recently heard that a feature called rootless that is going to be on El Capitan. This means that folders such as /System cannot be modified by the root user and only signed kext (kernel ...
2
votes
2answers
11k views

Downgrade El Capitan Developer Preview to Yosemite

I've installed El Capitan Developer Preview . Installation crashed at about 75% and then i could only boot in safe mode. I wiped all the hard drive to reinstall Yosemite but it only displays 10.11 ...
8
votes
2answers
25k views

Which graphics cards or integrated GPUs support metal?

Apple announced metal for OS X. Apple's website clearly states some features will not be available on all macs, which seems to refer to metal support. But is there a list of already confirmed GPUs, ...
3
votes
2answers
12k views

Mac OS X is not starting anymore

I tried to install Mac OS X El Capitan and it failed in ~70% progress after reboot and now I even can't start recovery mode (pressing Cmd+R just tries to continue installation process and fails again ...
3
votes
1answer
4k views

OS X El Capitan find mouse dosen't work with external mouse

Yesterday I installed El Capitan 10.11 (15A204h) and liked it a ton and intend to be use it exclusively from now on. I really liked the feature where you can shake the mouse to find the cursor and was ...
13
votes
4answers
26k views

How do I use Split View in OS X 10.11 El Capitan?

I downloaded the Developer Preview of OS X El Capitan and I'm trying to use the new side-by-side split view feature. However, I can't seem to figure out the right incantation to use it. How do I put ...
20
votes
2answers
50k views

Which macs are compatible with OS X 10.11 El Capitan?

Is there a list of officially supported Macs for OS X El Capitan? I ask to get ready if any hardware which is supported on Yosemite is not supported by El Capitan?
4
votes
1answer
6k views

How can I get OS X El Capitan and watchOS and iOS 9 without being a developer?

I'm looking to get a hold of Apple's WWDC announced OSs in 2015 before they are released to everyone in the fall of 2015. Can I get any or all without being a paid developer?
31
votes
5answers
49k views

“iTunes can’t verify the identity of the server …” after a Security Update in Mavericks or upgrade to El Capitan

Prior to the security update released early April my system was working fine. After that, I'm getting invalid certificates everywhere: iTunes says "iTunes can’t verify the identity of the server “...
17
votes
4answers
64k views

Photos (OS X Yosemite / El Capitan) – show original in Finder?

I would have expected to be able to right-click (secondary click) on a thumbnail of a picture and have the contextual menu give me the option to show the original picture document in Finder... but it'...
5
votes
1answer
4k views

Change a printer driver of an already configured printer

Is there a way that you can set the printer driver for a printer that is already installed (other than deleting it an reinstalling). When you install a new printer you get an option to set which print ...
9
votes
1answer
5k views

External monitor goes black for short periods on MBP mid 2010 but not on same machine running Windows

Can anyone advise on how to stop this happening. The external monitor attached to it goes black for a few seconds but then comes back to show the Desktop etc. When I boot into Windows 7 64 bit Pro (...
9
votes
3answers
19k views

Very slow performance under Yosemite on Mac mini caused by systemstatsd

I've got a late-2009 Mac mini that has begun to perform very poorly after some time on Yosemite. Safari takes about a minute to launch occasionally, as an example. Granted, I've got a number of ...
14
votes
1answer
459 views

Dictionary lookup wider and taller (pop-up dictionary lookup styling) in OS X

It's possible to change the font and the font-size for 3-finger lookup popup. You just need to edit css file for dictionaries you use, e.g.: sudo vim /Library/Dictionaries/New\ Oxford\ American\ ...
3
votes
2answers
5k views

Changing Notification Sound in Yosemite/El Capitan

the new "ding!" notification sound in Yosemite really gets on my nerves (and I don't like any of the default ones), I would like to add (or replace one of those with) a custom sound I have. I found ...
2
votes
0answers
204 views

Is it possible to close all notification alerts? [duplicate]

I've come back from vacation, and I have an unknown large number of e-mail alerts piled up. Hitting the x in notification center only cleared some of them - I'm assuming it was the last 5 since that's ...
12
votes
1answer
27k views

How do I re-enable Notification Center in Yosemite or El Capitan post-upgrade?

I believe I followed the advice here: How do I permanently disable Notification Center in Mavericks? Post upgrade to Yosemite, the Notification Center icon shows up in the menu bar, but clicking on ...
24
votes
2answers
10k views

Pinning the Dock to a Corner in Yosemite/El Capitan

In Mavericks and prior, one could use the following commands to pin the dock to either the top or bottom corner of the screen, if the dock was placed left/right, or to the left/right corners if the ...
12
votes
4answers
4k views

Make my password protected SSH key expire or timeout after a while

I have a private SSH key I use for authentication that is stored in ~/.ssh/id_rsa. When I ssh into a server, I am prompted for the password to unlock the key: I like this. I also like that I can ssh ...
4
votes
1answer
792 views

Is there a hidden preference to get Mission Control to show application icons when grouping is turned off?

When I turn on grouping in Mission Control to I get the application icon overlaid on the windows that belong to the application. Is there a hidden option to show icons on ungrouped windows?
69
votes
5answers
33k views

Make the Menu Bar never show while in Full Screen

Pretty much every application I use in full-screen (including Firefox, MacVim and the Terminal) have tabs on the top of the screen. The problem is, when I move my mouse to reach the tabs I'll often ...