Questions tagged [high-sierra]

macOS 10.13 High Sierra is Apple's operating system for Macintosh hardware. macOS Sierra was announced June 5, 2017 at WWDC, Apple's annual conference for developers where new operating systems have been announced for the last several years.

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Mac boot partition FFFF (High Sierra) [duplicate]

I know many people have had similar kind of issues and I tried to fix this with the answers I found but with no luck. Device: iMac 27" mid 2011 OS: Latest High Sierra (I think the recovery mode is ...
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1answer
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Sound: No output or input devices found

2016 MBP 13-inch 4 Thunderbolt 3 ports running macOS High Sierra version 10.13.6 All of a sudden, my sound isn't working, and using the volume buttons show a mute icon with a stop sign underneath. In ...
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1answer
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Macpro two drives Triple UEFI Boot move from Grub2 to “headless” bootmanager rEFInd issues

Thanks @David Anderson for the huge afford to instruct people like me for make tools more efficient. I have been very happy with my triple boot mac via Grub2 a long period of time since Adobe have ...
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1answer
32 views

How to create a bootable Windows 10 USB with a Mac to boot/install on a PC?

I have no access to a Windows machine at the moment, but need to create a bootable Windows 10 USB stick from a Mac that can be used to boot and install on a PC (not a Mac). Microsoft provides the ISO ...
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How to assign a permanent static route to an interface on macOS High Sierra?

I have found plenty of hints on the web to create permanent static routes to a particular gateway IP address, but I unfortunately I did not find a way to create a permanent static route to an ...
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1answer
45 views

Restart Apache causes applications to react really weird

I have macOS High Sierra running on my Mac, and it has worked fine until now. But today I experienced something very weird. I was trying to restart Apache (a web development server), and then my apps ...
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2answers
38 views

stdlib.h file not found and macOS SDK package installer also not found

I have macOS High Sierra 10.13.6 (For various reason I will not update) and Xcode 10.1 installed alongside command-line-tools. I am trying to compile a certain software that is attempting to open the ...
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1answer
120 views

random “broken” alias from Keynote presentation

So for over a few months now ive been having issue with the Keynote application creating these 'broken alias' files on my MacBook Air randomly from time to time(10.13.5 High Sierra; APFS Volume). Ive ...
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Which exact Windows 7 ISO is required for Boot Camp v6.1.0 on macOS High Sierra? Mid 2010 MBP

Try as I may, I cannot get Boot Camp on macOS High Sierra to accept any Windows 7 installer DVD (or ISO) I have tried yet. Although Boot Camp seems to be able to accept a flash drive, when I try one I ...
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28 views

Stop hiding minimised windows on Mac?

I multitask a lot, have a lot of windows open at the same time, even though I'm mostly peeking at using around 2 of them. I've become a fan of the alt+tab shortcut. I love that the window goes to the ...
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5answers
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Can't remove “Install macOS High Sierra.app”

I had to make a bootable macOS High siera install, everyhing went well and it worked. I'm trying to remove the app that I used to install it and trash won't let me. Everytime I try I get an The ...
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1answer
2k views

Huge system file size CloudDocs

Im on a MacBook Pro (15-inch, 2016) running 10.13.5 (Latest High Sierra ) Here is a screenshot of my storage tab : As you can see the system takes quite a lot of space. After using an app called ...
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4answers
11k views

OSX Prohibited symbol on Boot (High Sierra Update Caused)

ive been researching and fighting this for a couple days now. I tried recovery boot, disk utility, repair etc.. nothing seems to fix this... heres what happened.. this 'puter was just fine, nothing ...
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2answers
61 views

Cannot resize APFS partition - “The new size must be different than the existing size”

I have a 1TB SSD on macOS High Sierra 10.13.6 with the following APFS partitions: $ diskutil list /dev/disk0 (internal): #: TYPE NAME SIZE ...
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How to create a cron log file in macOS High Sierra

I have an issue with cron in macOS High Sierra. I have cron running, and it is running the jobs I want to run. I am unable, however, to figure out how to make it create a cron.log file in /var/log. ...
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1answer
60 views

One inch black bar on lower portion of my screen

I've noticed a black line on my desktop, and I can't seems to figure out how to remove it. I've restarted my computer several times, relaunched my Finder through "Force Quit," and searched through my ...
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2answers
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Is cron command supposed to work like this?

I've set up cron to run a script hourly but when I reboot cron does not work. Does this mean that I should run cron whenever I boot into my Mac? The cron command which I use cron 5 * * * * path/to/...
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1answer
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stat command not respecting time format options (High Sierra 10.13.6)

My goal is to retrieve the birth time of a file formatted to "2019-07-03" so I'm using the following which yields the following epoch time instead of the specific date format I requested: $ stat -f "%...
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3answers
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Unable to run xcode-select --install

I am on a MacBook Air running macOS High Sierra 10.13.2 When I run xcode-select --install to re-install Xcode developer tools, I am prompted to this I choose install option which opens the agree ...
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1answer
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Macbook Pro w/ USB-C and multiple monitors occasionally swap non-main screens

My Macbook Pro (15", 2017 model) running High Sierra has a multi monitor setup involving my laptop on the left, an external monitor to its right (and configured to be the main screen with the menu bar ...
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1answer
45 views

macOS could not be installed on your computer

I have a Late 2011 Mac mini late 2011. It had macOS High Sierra installed, but due to some problems with language, I decided to delete everything and re-install it. But Now, I have this message when ...
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1answer
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System Preferences locked After Username Change

i have a problem with my MacBook Air. I recently changed the username and now if I want to unlock 'users and groups' or If I want to make changes that require the administrator information (username ...
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2answers
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Globally Disable Notifications on Lock Screen

I'm using macOS High Sierra (version 10.13.3) on a 27"-iMac and on a MacBook Pro. Almost every time when I'm going to log in, I see various notification on the lock screen, even before I've entered ...
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2answers
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How to properly use scaling on an external display (from MacBook Pro 2016)?

I have a MacBook Pro 2016 (with Thunderbolt 3 ports on macOS 10.13.6) and I need an external display. I bought an ASUS VP28U (4K), connected it with an HDMI to USB-C adapter and, generally, it works. ...
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Macbook Pro 2017 Heating Issue while running Windows 10 on Bootcamp

Im new to the Mac Environment.I have got the Macbook for some development purpose.I have completed my work on Xcode and moving on to windows.The main Platform for which i work is Windows,so i have ...
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macOS: Disable popup showing accented characters when holding down a key

How do I disable the display of popup which appears when holding down a key? It slows my typing speed and makes me do so many mistakes in my writing and programming. I need it at time when I wish to ...
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1answer
86 views

macOS_SDK_headers_for_macOS_10.14.pkg doesn't exist on my system

I am trying to install gem packages. I am missing the macOS_SDK_headers_for_macOS_10.14.pkg file from /Library/Developer/CommandLineTools/Packages/. I found the link to download the .pkg, but I need ...
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2answers
356 views

WDF VIOLATION Blue Screen after Upgrading Mac to Windows 10 May 2019 Update (1903) Edition

I did an upgrade on my iMac (21.5-inch, Mid 2011) from a previous version of Windows 10 to the current version. The Windows 10 ISO file was downloaded from the official Microsoft website. Afterwards, ...
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1answer
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MacBook pro mid 2014 with High Sierra and APFS - Overallocation Detected on main device

Can somebody explain what 'Overallocation' means in context of file system? I constantly see this message when trying to resize APFS partition, disk checks don't find any problems.
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4answers
12k views

Unable to install macOS 10.13.6 on mid 2012 macBookPro. Error: Disk does not meet requirements

I am trying to install macOS High Sierra 10.13.6 on macBookPro mid-2012 , macOS version 10.13. I downloaded "macOSUpd10.13.6.dmg" for THIS site. Now, when I am trying to install it on my mac, it ...
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Update fstab / mount information in High Sierra

There are some Q&A about updating /etc/fstab but they are all for much older versions of MacOs. Is /etc/fstab in fact still supported? A pointer to what options are supported in High Sierra and ...
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Stop AD account Accessing Server shares

I have an Mac server running 10.13.6 on the latest build: 17G7024 I have been trying to sort out a few of its problems. But I have come across this this weird bug that I can't seem to fix. If I ...
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3answers
109 views

Is using the Magic Mouse 2 & original Magic Mouse on the same Mac unsupported in High Sierra?

I recently upgraded my mid 2011 Mac mini to macOS High Sierra. I purchased the Magic Mouse 2 about a year ago, but really loathe the charging port on the bottom (unbelievably stupid design, but I ...
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High Sierra Installation com.apple.osinstall error -3

My mac book pro 2010 started acting up last night. Wifi was slow and certain letters were not displayed properly. I restarted the computer and it failed to boot up again. I took the drive from the ...
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How to delete 802.1x profile in OS 10.13 when Profiles does not display in System Preferences?

I am trying to delete an 802.1X eduroam profile that appears in my Network preferences in OS 10.13. The solutions I've found online say that this can be done in Profiles, in System Preferences. ...
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3answers
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Windows 10 EFI on MacPro 4,1 -> 5,1

I'm attempting an EFI install of Windows 10 on a 2009 (4,1) Mac Pro firmware upgraded to 5,1. I'm running High Sierra, and installing Windows 10 on a second partition on the same disk. I have no ...
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1answer
26 views

RAM Upgrade for Mid-2010 MacBook

So I have a Mid-2010 MacBook and I tried to upgrade the RAM. I put in 2 4GB sticks and it started to beep. I took out one, and it still beeped. When I put in one of the original 1GB sticks and a 4GB ...
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External Disk, extended journaled with password, suddenly starts without password query

my External DiskLaCie hard drive D2 Quadra USB3, extended journaled with password, appears on the screen the next morning without a password query. On my MacBook Pro and on the hard drive no updates ...
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How can I install java openjdk 8 on High Sierra

How do I install OpenJDK 8 on High Sierra? It looks like support for the Java Oracle JDK version 8 will be deprecated after January 2019 Java SE Overview Additionally, it looks like publishing and ...
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4answers
279 views

macOS closes all my applications when I lock my screen

When I lock my screen with ControlCommandQ and return after more than 10 minutes, macOS has closed all my open apps and tries to restore them, which often leaves my applications in half restored ...
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4answers
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Apache2 (Httpd) not working after update to High Sierra

I have an issue where Apache will not start after updating to High Sierra 10.13.1. There isn't anything showing in the error logs, but when I try to apachectl start nothing happens. If I run ...
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0answers
23 views

Seagate Backup Plus 5 TB became unresponsive after long period of use

I recently purchased a new Seagate Backup Plus 5TB for data use, because none of my drives are functioning properly. My old Seagate Expansion 2TB hard drive failed ("Unable to repair"); the Seagate ...
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8answers
6k views

Mac OS X is not creating a swap file

I recently started running into a lot of memory issues on my mac running High Sierra. Rather than the force quit window coming up, my system would freeze completely and the only way to recover is to ...
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Internal Touchpad and Keyboard stop working after login

I am using MacOS High Sierra 10.13.3 Macbook Air. The problem I am facing is that the internal touchpad and keyboard stop working as soon as I login. They also do not work in Safe mode. I have also ...
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1answer
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Office for macOS: Word document opens in a tiny window

I'm using Office for Mac version 16.25 (2019) on a Mac macOS High Sierra. Whenever I open a Word document or create a new file, it opens in a tiny window, which occupies less than 25% of the screen ...
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How does file system mounting in macOS work

I unmounted /dev using the following command: umount -f /dev. I can still access mounted file systems. When I restarted my changes are still there. Question: How does the mounting application know ...
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6answers
15k views

Touch bar volume controls don't work

I have the MBP 15" model 2017 (macOS High Sierra 10.13.3) with touch bar. What I realized is that the touch bar volume element (mute / unmute / volume up / down) does not work. I press them but ...
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2answers
46 views

How Do I Permanently Disable Hot Corners on Mac?

I have a work computer, and every time I turn it on and log in, hot corners are enabled where when I move my mouse to a corner inadvertently, it locks my screen. This happens all the time in the ...
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3answers
5k views

MacOS 10.13.4 Cannot turn off lock screen in system preferences

I guess since up 'upgraded' to 10.13.4 I get a login screen if I leave my MacBook air alone for the briefest time. This is a real pain in the neck. In system preferences the this statement is checked:...
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1answer
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mac won't start after “sudo chown -R $(whoami) $(brew --prefix)/*” command

I tried to install a program and it alwaysed lacked permission on /usr/local. I tried sudo chown -R $USER /usr/local but then found out that doesn't work anymore with High Sierra. So I tried sudo ...