Questions tagged [mac]

Mac is Apple's computer brand. Apple currently produces several lines of Macintosh computers divided into two categories, desktops: Mac mini, iMac, iMac Pro, Mac Pro, and notebooks: MacBook, MacBook Air and MacBook Pro. All current Macs ship with macOS. This tag is for any and all questions that relate to the actual hardware. For operating system-related questions, use the [macos] tag.

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My Mac is getting really slow, what should I do?

I bought a Mac (13", early 2011) almost 5 years ago. When I first got it, it was running under OS X 10.7 and it was pretty fast. I've being upgrading it ever since and it's now running under Mac OS X ...
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  • 425
98 votes
7 answers
53k views

Isn't Inactive memory a waste of resources?

I'm looking for explanation of memory usage on my machine especially in light of the example in this screenshot below: I understand what is Free and Active means But what are the meanings of Wired ...
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  • 2,698
61 votes
5 answers
284k views

MacBook Pro: How to disable discrete GPU permanently from EFI?

I'd like to disable the NVidia GTX 750M GPU on my MacBook Pro 15" (Retina, Mid 2014, Mac OS X 10.10 Yosemite). I know I can use GfxCardStatus but I read I could have a more permanent solution by ...
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  • 811
105 votes
1 answer
219k views

How do I automate a key press in AppleScript?

Is it possible to automate the key press of a key (such as "a" or "<") in Mozilla Firefox, Google Chrome or Safari (in this order)? I'd like to automate the key press of "a" for example in Mozilla ...
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  • 1,696
10 votes
2 answers
31k views

Installing Ubuntu on Mac with macOS and Windows already installed

I have a dual-boot MacBook Pro late 2013 with macOS Sierra and Windows 10 (BOOTCAMP) already installed. I want to install Ubuntu as a third OS. Is there any (easy) way to do it? > Disk Partitions:...
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  • 424
365 votes
1 answer
120k views

How to prevent Mac from changing the order of Desktops/Spaces

You may have encountered a situation in which Mac changes the order of desktops based on some events like alerts on a program or a web page in browser. How could I disable this logical change? Note: I'...
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  • 3,858
154 votes
10 answers
148k views

How to simulate slow internet connections on the mac

What's a good software solution to slow down internet connections on the mac for testing and simulations? My primary need is when testing code in the iPhone / iOS simulator, so slowing down the ...
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  • 5,119
30 votes
4 answers
344k views

How could i use an iMac as secondary monitor for a Windows 7 laptop

Recently (less than one year ago) i bought an iMac 21,5". Now i would like to use it as secondary monitor for my laptop. (My laptop runs Windows 7). Is it possible? (I found conflicting opinions on ...
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  • 495
2 votes
3 answers
6k views

iMac only show flashing folder with question mark after formatting OS X partition drive

Today i format my "OS X El capitan" partition for installing "Yosemite". But due an error in bootable yosemite usb it didn't install on this partition. After some hours when i turned on iMac and hold ...
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  • 123
164 votes
19 answers
360k views

How to arrange two windows easily to left and right side?

In Windows 7, we can easily arrange two windows with these shortcuts: Option (Alt) ⌥ + ← maximizes the window to the left side of the screen, and Option (Alt) ⌥ + → maximizes the window to the right ...
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78 votes
10 answers
106k views

AirPods: Extremely poor mic quality on Mac

Ever since I purchased the AirPods (1st Generation), they demonstrate extremely poor quality while activating the AirPod mic, whilst they are connected to a Mac. When activating the mic to record ...
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  • 8,017
12 votes
4 answers
26k views

Completely synchronise multiple Macs

I actually have a Macbook Pro with Snow Leopard (I plan on upgrading to Lion). I may have to buy an Mac mini in order to have a full dual screen (external identical screens) layout (see my previous ...
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404 votes
133 answers
243k views

Got any tips or tricks for Terminal in Mac OS X?

One tip or trick per answer. My favorite is open . Opens the folder you're currently browsing in Finder. You can also pass URLs, images, documents or else to open. If you specify a program name ...
35 votes
11 answers
174k views

Unable to Resize Partitions

I have recently created a partition on my macbook air running OS X 10.9, and this was to run install another OS instance (Yes, OS X 10.10 Yosemite, but that is an aside to the query I have) on it. I ...
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  • 351
47 votes
4 answers
38k views

Copy and Cut sometimes don't work [closed]

My system is kept fully up to date and I still see this problem intermittently, although not as often as I used to; I would say that this has not been fully fixed. If there are any workarounds other ...
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27 votes
3 answers
32k views

How can I dim the screen from Terminal?

Is it possible to dim the screen from Terminal, in a Mac with OS X Lion? Is there any command to do control brightness and volume?
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  • 983
30 votes
10 answers
46k views

Keyboard shortcut to sleep a Mac

I am looking for a quick way to sleep without closing the lid, or using the mouse. If it matters, I have Lion version OS and a MacBook Air.
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  • 571
13 votes
6 answers
20k views

Can I downgrade to macOS Mojave if I buy the new 2019 MacBook Pro?

I plan to buy a MacBook Pro. But my work relies heavily on 32 bit apps for music production, which are not supported in Catalina. Can I downgrade to macOS Mojave if I buy the new MacBook Pro?
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  • 263
70 votes
9 answers
255k views

How can I open a .pkg file manually?

Some applications come in .pkg files, and ask for you administrator password, even if all they do is copy the binary to /Applications. I like to have my applications in ~/Applications, and I do not ...
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  • 4,988
47 votes
12 answers
154k views

Do you know a simple sound booster app for Mac?

Some videos on websites have the sound volume so low that even with all sound settings at maximum levels it's hard to listen. I'm looking for an app that would allow me to boost the Mac's volume. ...
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42 votes
8 answers
57k views

How to know which program has just played sound?

At times, my computer suddenly played some annoying short sound (sounds like darrrt, seems not from the system), and it's so short that I have no idea where it comes from (and cannot capture it). Is ...
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  • 551
13 votes
5 answers
44k views

What is causing this sound on my Mac?

For several weeks now, my friend’s MacBook has been plagued by this sound, randomly occurring while running: http://c.abr.vg/321r2Q3Y2W0J We’ve never been able to reproduce it, and it has persisted ...
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51 votes
5 answers
174k views

How can I convert JPG into PDF easily?

Is there any way to batch convert .jpg files into single .pdf files?
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76 votes
4 answers
204k views

Where can I find my crash logs?

Console prints: default 17:16:18.554342 -0700 ReportCrash Saved crash report for APP_NAME[50432] version 1.2.3 (4) to APP_NAME_2020-03-17-171618_MacBook-Pro.crash I would like to ask you, where ...
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  • 1,478
56 votes
7 answers
11k views

Do Macs need to be defragmented?

I don't see any application to defragment my Mac (running OS X). Is defragmenting not necessary for Mac OS X? If so, why not?
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  • 2,005
6 votes
4 answers
12k views

What free or open source software can I use with Mac hardware to verify integrity of every block of a disk where Core Storage is used?

Verification should be nondestructive. For Mac hardware There's a possible answer in Super User, but it predates Lion so: I don't know whether badblocks run from a live CD is applicable where ...
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14 votes
2 answers
1k views

Show/Hide hidden files without restarting finder?

I came to understand that the following is the way to toggle the visibility of hidden files: defaults write com.apple.finder AppleShowAllFiles YES # replace YES with NO to hide hidden files killall -...
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9 votes
4 answers
7k views

Partitioning Software

Is there an equivalent on the Mac platform to Partition Magic or GParted that will allow me to resize, move, and/or change partitions on the fly without formatting, or disturbing the data that is ...
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  • 197
12 votes
2 answers
1k views

Battery warning ''Service battery"

Battery warning "Service battery". This warning have appeared in my MacBook Pro (2008) with Snow Leopard. Is there a way to find out what a reason of this warning, without apply to service centre?
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3 votes
2 answers
1k views

Lost my APFS partition after using EaseUS partition manager on Bootcamp

I used macOS mojave(APFS partition) and Windows10(Bootcamp). And I tried to expand Bootcamp partition with moving Windows OEM partition by EaseUS partition master in windows. After this, I can’t find ...
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57 votes
6 answers
11k views

How do I disable or get rid of the startup sound my Mac makes?

Everytime I turn on my Macbook Pro it makes a start up noise. This is annoying since there is no volume or ability to turn it off. I just don't want the sound to play at all. How do I disable this ...
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17 votes
11 answers
106k views

Can I trust Apple Store's employees with my laptop?

This might be a bizarre but crucial question, can I fully trust leaving my laptop in repairs (Genius Bar) while they have full access to it ? I recently went to the genius bar to get my display fixed,...
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18 votes
7 answers
72k views

Mavericks unusually high RAM usage

I thought Mavericks was suppose to utilize RAM memory better, thus run smoother. Running ML on Mac mini 2012, with 16GB RAM...always running smoothly even with over a dozen apps running. Now, after ...
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  • 609
15 votes
12 answers
42k views

Change background colour for PDF when Viewing

When a PDF is opened, its actual background color is often white. On Windows, several PDF viewers have the ability to set the background color to another one, which doesn't modify the PDF file itself. ...
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9 votes
9 answers
19k views

Is it possible to change display resolution with a keyboard shortcut?

I use different screen resolutions based on the activity I'm doing during the day. For example when I'm coding I prefer to have more space available. Is it possible to associate a keyboard shortcut to ...
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  • 93
7 votes
2 answers
21k views

How to switch between two Macs and one Thunderbolt Display?

I have 2 MacBook Pros and one Thunderbolt Display (27 inch). Both MBPs support Thunderbolt connectivity and work fine with external display. I need a way to switch between 2 MBP, without changing the ...
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3 votes
3 answers
993 views

Battery - Shut down or sleep an MBP

For the lifetime of a battery, is it better to shut down or sleep an Mac book Pro? Could anyone be able to explicit a full answer to this question?
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38 votes
5 answers
60k views

Mac Finder: Getting the path of a directory or file as as string

In Windows it is possible to right-click on a file. Then select "properties". In "properties" the file-system path is shown. Can then be copied by marking and storing (into the clipboard). I couldn't ...
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  • 959
30 votes
6 answers
8k views

How to permanently put TextEdit in the Open with... menu list?

I'm a developer and often dealing with unusual file types. If I want to open one of these files in TextEdit, I have to start it first and then open the file with it, or drag the file to the TextEdit ...
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  • 753
44 votes
7 answers
15k views

Is fine volume adjustment possible in macOS?

Question broadened, as this still works in 2021 On previous versions of Mac OS X pressing ⌥+⇧+volume+ would adjust the volume by quarter increments. This seems to have been removed in Lion. Is there ...
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  • 543
36 votes
10 answers
24k views

Is there any Mac software to handle archives (zip, rar, 7z, tar, etc.) that allows browsing?

I am looking for a software to handle archives on OS X. I know there are many of them quite easy to find, but none seems to have the most basic feature that most Windows archive applications have: ...
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  • 883
36 votes
3 answers
85k views

What is the Mac keyboard key with a symbol ⌅ of an up arrow pointing into a horizontal line?

On a Mac, symbols are often used for keys rather than names. In Adobe Indesign for Mac, the keyboard shortcuts for inserting various break characters are described using what looks like an up arrow / ...
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12 votes
5 answers
37k views

Are auto-downloaded malicious .dmg app files a security risk if they are never opened?

I visited a page to stream a TV show, and upon clicking the search result link got the following pop-up: I clicked OK, as nothing on Chrome was available, and when I did that, Chrome auto-downloaded ...
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8 votes
1 answer
5k views

Why is it that my Mac would rather swap than clear inactive memory?

Why is it that my Mac (running 10.8 Mountain Lion) would rather swap than clear inactive memory? I know people say that the Mac OS manages itself and whatever, but there is a serious performance dip ...
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  • 7,892
17 votes
2 answers
12k views

How to check the battery level of devices connected via Bluetooth in OS X

I have a set of Bluetooth headphones that I use with my iPhone and Macbook (OS X Yosemite). On my iPhone, a little battery meter pops up next to the Bluetooth logo each time I'm connect the ...
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  • 633
25 votes
6 answers
37k views

How can I pause the download on Mac App Store and then resume it later?

I am downloading macOS Sierra from Mac App Store. But I have electricity problem here. Due to which my iMac will lose power after 2 hours. Now I want to pause the downloading so that I can resume the ...
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10 votes
5 answers
30k views

Install macOS High Sierra.app does not appear to be a valid OS installer application

I downloaded High Sierra from the App Store, then tried creating a USB installer using Terminal but I get the following error: # sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/...
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  • 711
22 votes
6 answers
115k views

How to control your iPad with your Mac remotely?

I would like to know, is there a way to control your iPad with your Mac remotely (be able to see and manipulate iPad's desktop on your Mac)? I know that with the TeamViewer or other programs you can ...
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  • 1,478
12 votes
3 answers
3k views

How can I use a command to delete all files in Downloads whose dates added are greater than 1 year?

I am using a Mac. How can I use a command to delete all files in ~/Downloads whose dates added are greater than 1 year?
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  • 121
17 votes
4 answers
46k views

How do I stop my Mac from ringing when I get a phone call on my iPhone?

Yosemite has a new feature where my Mac rings when I get a phone call. Annoyingly, it continues to ring for 30 seconds or so, even after I've answered the iPhone. How can I turn this sound off? I'd ...
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