Questions centered on analyzing a technical problem or errant behavior with Apple hardware or software.

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3
votes
2answers
3k views

How can I fix permission issue when I cannot start Mac OS X?

I was creating a guest account and to prevent it from accessing the Macintosh HD as in other applications and stuff I assigned it as in "No Access" When I switched to the guest account everything ...
5
votes
3answers
35k views

Can't boot Mac, only shows a Folder with a Question Mark?

How do I start up a Mac when all it shows is a Folder with a Question Mark, even with a DVD in the drive? Image courtesy of Loïc Wolff
11
votes
8answers
7k views

Mavericks Finder spins when opening folders

Since upgrading to Mavericks, Finder sometimes hangs when I select a folder and am waiting for its contents to populate the window. This happens primarily in Open dialog boxes: It'll spin for about ...
6
votes
2answers
4k views

Why might a Macbook Pro go back into sleep shortly after waking up?

Whenever I wake up my mac by opening the lid, approximately 20 seconds later it will put itself to sleep again, even though I'm actively working on it. I'm guessing it's "deep sleep" (hibernation) ...
5
votes
5answers
3k views

Yellow tooltip stuck on screen

There is a yellow tooltip stuck and it floats above all other windows. I do not know from what program it came. How can I get rid of it without restarting my computer? EDIT:
5
votes
4answers
2k views

Automatically quit Terminal when typing exit

Scenario I use terminal to SSH a lot, however would like the Terminal App to quit when the last Tab closes using exit. I already have the terminal window itself set to close on successful exit, ...
4
votes
2answers
3k views

Airport Express requires frequent rebooting

I use an Airport Express to create a wireless network at home. Frequently (~2 times a week), all the computers using the network (eMac, Intel iMac, MacBook Air) can see the network as an option in the ...
6
votes
2answers
2k views

Glitches in OS X - memory or ssd?

My laptop is Macbook pro 15', Early 2011, with an SSD drive - OCZ Agility 3 240GB. I changed my memory too to 16GB (Corsair from Amazon). I experience glitches: Also Skype refuses to launch. I ...
3
votes
4answers
2k views

So my Yosemite install is slow - what to do?

I installed Yosemite today on a 2010 MBP, 8GB RAM, 2.4Ghz Intel Core 2 Duo. Its awful, its so slow, everything seems to hang, even simple things like Finder. Chrome is going as a snails pace and Mail ...
2
votes
2answers
3k views

How to troubleshoot 802.11ac bandwidth problems

I have a new Macbook Air with 802.11ac, and a new Airport Extreme with 802.11ac. I'm trying to transfer a large file across my LAN (I have a network drive attached to network via wired ethernet). If ...
2
votes
2answers
353 views

Can anyone interpret verbose shutdown messages?

I almost always boot up in Verbose mode so I can see what's happening during boot up/shut down. Usually critical errors make themselves obvious, some lesser errors aren't so obvious but can be cleared ...
6
votes
6answers
44k views

Need to print out iPhone text messages

I have a court case and have text messages on my iPhone I need to transfer to my iPad email for evidence. Every time I try it doesn't work, it will send them to my iMessage but not my email. I need ...
5
votes
3answers
17k views

What can be done to fix a 2011 iMac that will not boot past the white screen?

I have now tried opening the iMac and removing the cables to the SSD, it still gets stuck on the white screen. I tried again, removing the cables to the HDD as well and the same thing occurs. No idea ...
2
votes
1answer
1k views

iPhone 5 slowly fails to connect to wifi

My iPhone 5 running 7.1.1 has stopped connecting to wifi networks. In the beginning, everything was fine. It seemed like maybe the network in my house was stretched a little thin, and I had trouble ...
2
votes
2answers
845 views

How do I triage errors from the AppStore? Where are the log files?

Am getting an error message when trying to reinstall TextWrangler from the App Store. The message given is An unknown error occurred. This is not terribly helpful. Where can I look to get more ...
1
vote
2answers
423 views

How to further determine what rogue Firefox (upload) processes are doing

Config and issue I have a late 2011 MBP, running Mac OS X 10.7.5, 2.3 GHz Intel Core i5, with 16GB 1600 MHz DDR3. I have just updated my firefox 20 to 25, this issue also occurred with v 20. When I ...
1
vote
1answer
4k views

iMac doesn't start, all i see is colored lines and then checkered lines on a white background

I have iMac 2010 which is out of warranty. I recently came up to the computer and it was sleeping and was not waking up. I held the powered button for a while, so it turned off. Then I pressed it ...
-1
votes
2answers
2k views

Reinstall Safari

How can I reinstall Safari if one got corrupted?