3
votes
1answer
102 views

OS X 10.9.4 shows wrong used disk space

The used disk space reported in About My Mac is inconsistent (MacBook Air, mid 2012). Notice that the used space for Apps is greater than my disk size. I tried different ways to fix it (Disk ...
0
votes
0answers
30 views

Warning “disk full” while more than 100 GB space free in disk utility

Why does the system warn me for "startup disk full" while "disk utility" shows there are still more than 100 GB space free? The warning is in the form of a pop-up dialog. Not sure how many ...
0
votes
0answers
11 views

How does having a full hard drive affect performance? [duplicate]

My OSX-using friends insist that having a hard drive that is nearly full (e.g. 90% full on a 250GB disk) causes performance problems. It seems to be a pretty common opinion amongst my (mostly ...
1
vote
4answers
143 views

User folder on mac OS is empty, but still uses 60GB of hard drive space

I have deleted all the files under User folder, but it still says that it uses ~60GB of space. Real usage is ~2MB. There are no more files to delete. Is there any hidden files i am not aware of. If ...
0
votes
4answers
72 views

Why do I get different Available/Used spaces with Disk Info and df?

I have an early '13 MBP running Mavericks. Today, I got a SSD external drive today, and moved my virtual machines and Lightroom catalog files over to it to free up disk space, since 256GB goes fast. ...
1
vote
1answer
3k views

How do I quickly find large files and folders on my mac?

I need to free up space on my Mac and know there are a ton of hidden files that are eating up space (Logic for example downloads a lot of instruments... somewhere). Is there any way I can create an ...
1
vote
3answers
2k views

Disk space disappearing

The kernel_task process is at 567MB of RAM, and my hard disk space keeps disappearing. I just synced an iPhone 4S with iTunes like ~2 days ago, and now every couple hours I get the message that the ...
0
votes
2answers
134 views

Mac HDD still losing space after deleting files

I'm working on videos. I'm capturing them with a software and I save them as MP4. Then I compress them as MOV. After that I upload them to YouTube. However I lose about 1.5 GB from my hard disk while ...
1
vote
2answers
216 views

MacBook Air phantom files

I deleted all of my files and even did command/power-command and reinstalled OS X Lion. But I still don't have all of my hard drive space available. When looking in About this Mac it shows 12GB of ...
1
vote
1answer
860 views

Can't resize (FileVault) partition after Bootcamp removal

I have a recent Mac with two partitions. The first one contains MacOS, and is encrypted with FileVault. The second one contained a Bootcamp Windows installation. Here is a screen shot: I deleted ...
3
votes
2answers
3k views

Deleting files doesn't free up space [duplicate]

I moved away (to an external drive) about 30 GB of files from a drive (startup disk) that had 60 GB of free space. After the move it still shows only 60 GB of free space, not 90, as I would expect. ...
0
votes
2answers
173 views

Over 25 gb of Space Disappeared

Here's my problem: over the past couple days I did a really good clean out of my computer and managed to free up several gigabytes of data and was hovering around 233+ gb of free space. Then in the ...
2
votes
1answer
307 views

Does mounting a large disk image require a certain amount of free space on the internal drive?

I've got a bunch of Mac disk images (.dmg files) that are 100 GB or larger. I'm currently on an iMac with a few hundred gigabytes of free space, but I'm going to be moving to a Mac laptop with 128 GB ...
0
votes
1answer
605 views

5Gb of RAM being used with NO software running?

My computer (brand new) was using 12 Gb of RAM so after I was done exporting my video I force-quit everything and 8 minutes later it's still using 5Gb or RAM, is this normal?! It seems like so much! ...
1
vote
1answer
226 views

Inconsistent disk capacity reports in OS X - I'm missing 365GB of my 2 TB… :(

Coincidentally I have noticed that the disk capacity reports in "About this Mac" and the Terminal when running diskutil list both report inconsitent capacities for an external hard disk drive. This ...
1
vote
2answers
316 views

Why Mac OS X requires any amount of free disk space?

I understand the OS needs some free disk space for running. So does windows or any *nix. But OS X is regarded as a very polished system and my question here is more like, shouldn't it already reserve ...
2
votes
2answers
1k views

What is safe to delete in order for system to work properly?

I'm looking for anything that can be deleted and that don't required by system to work properly. So far I'm delete DVD Player.app, Chess.app, Photo Booth.app, Stickies.app, Dashboard, Launchpad.app ...
9
votes
4answers
7k views

Gigabytes of disk space shown as hidden space in DaisyDisk

My disk space usage doesn't add up. I should have used only about 80 gigabytes, but according to DaisyDisk about 25 gigabytes is taken up by hidden space. The mystery disk space seems to be classified ...
7
votes
3answers
7k views

Disk space not freed up after delete

I had approx 50Gb of Windows VMs on my MacBook Pro internal SSD (128Gb) (OS X 10.7.3). I copied them to an external drive, then deleted them from the internal drive, then emptied the trash. When I ...
0
votes
0answers
128 views

How can I tell what is using disk space by category and monitor changes?

Is there a simple way to determine what is using disk space on a Mac OS X installation? Obviously single files and directories is straightforward, but how about at a slightly higher level ...
3
votes
1answer
3k views

Can I move Applications to another partition?

My Startup disk partition is just 20 GB and I'm running out of space. What's the safe way to transfer Applications folder to the other partition? Can I just move all apps into a folder on the other ...
3
votes
1answer
438 views

Prevent automatic removal of the Spotlight index due to low disk space

I am guessing that when disk space runs low, it automatically deletes the Spotlight index to make room for virtual memory. Then when space becomes available it reindexes. But I'm not sure about that. ...
7
votes
5answers
4k views

Is it possible to reduce the disk space required to install Mac OS X 10.6?

I was hoping to install Mac OS X on a flash-based drive I have, but it's only 4GB. The installer tells me there's not enough free space, but it doesn't specify how much I need free. Does anyone know ...
32
votes
11answers
19k views

How can I figure out what's slowly eating my HD space?

Every few days I get notices on my MacBook that it's running or run out of hard drive space. Curiously, restarting the computer will enable me to recover gigabytes of space (this past time, it was ...