All Questions
Tagged with performance high-sierra
33 questions
1
vote
1
answer
294
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Should I install High Sierra in external SSD in iMac 2017 model for good performance or I can install latest version as well?
I have an iMac 2017 version with HDD and no fusion drive. HDD has slowed down so I am planning to use an external SSD. In my earlier question a generous user told me that in my model of iMac High ...
- 123
1
vote
1
answer
91
views
iMac main/admin account won't log in (iMac mid 2011, High Sierra)
So I'm at a loss with my Imac which suddenly wouldn't log in and I really really don't want to lose all the information I have on there. I've tried to be as detailed as possible but might have ...
0
votes
1
answer
483
views
Macbook mid-2010 hangs on boot macOS High Sierra
From time to time, my Macbook hangs on boot. I've put the verbose mode startup enabled on each startup so I could figure out what's wrong there.
Here is the line where it is stopping today. You could ...
- 101
0
votes
0
answers
38
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Network users S-L-O-W on macOS High Sierra
I have an old MacBook Pro (Mid-2010 13″, 2.4GHz Core 2 Duo, 8GB 1067MHz DDR3) that I’m trying to set up for my daughter to use for covid-induced home school. I replaced the old HD with an SSD and gave ...
- 71
0
votes
1
answer
59
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My Macbook Pro often hangs up at shutdown - what should I do? [duplicate]
My system:
System Version: macOS 10.13.6 (17G5019)
Kernel Version: Darwin 17.7.0
Boot Volume: Macintosh HD
Boot Mode: Normal
Model Name: MacBook Pro
Model Identifier: MacBookPro14,3
...
- 408
30
votes
7
answers
27k
views
Screen Saver Stuck On, How To Escape?
Today I encountered a problem with the screen-saver, in which it couldn't be deactivated in order to return to normal work. Normally, hitting escape will deactivate the screen-saver, but this did not ...
3
votes
0
answers
1k
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Speed up FileVault decryption process
There is a reason for me (testing) to turn off FileVault encryption on the boot drive on my Mac running macOS High Sierra (long story, off topic).
So, I turned it off in System Preferences. I also ...
- 754
3
votes
1
answer
3k
views
High Sierra performance problems - efilogin-helper taking a lot of CPU
I have a stock 2015 15" MacBook Pro, i7 / 16GB / 512GB, still runs on High Sierra because I am contemplating to do a full clean install instead of an upgrade. Performance has been deteriorating to a ...
- 193
1
vote
0
answers
338
views
How can I troubleshoot my slow 2015 Early MacBook Air 13" laptop?
I have a 2015 Early MacBook Air 13", 1.6 Ghz, 4GB RAM, 128GB SSD (with 90GB free space) running macOS High Sierra 10.13.6.
When I'm using Safari with only 4-5 windows open, it slows down. I have to ...
- 11
4
votes
2
answers
1k
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macOS Mojave Beach Ball when saving a file
When I'm trying to save or select a file in a web browser, or any other application the beachball appears and the app hangs for ±30 seconds.
I didn't have this problem in High Sierra. Is it a common ...
- 320
2
votes
1
answer
1k
views
High Sierra freezing all the time
I have a Macbook Air 2014 that I updated from Yosemite to High Sierra 10.13.4 just recently, but now the laptop freezes multiple times per day :(
Here are the things that I've tried:
Upgrade ...
2
votes
0
answers
255
views
macOS freezes. keyboard/mouse input is registered. screen freezes
I am on macOS High Sierra 10.13.6.
Macbook Pro 15" w/ Retina display, mid-2015.
The OS seems to freeze sometimes:
the screen freezes
all output sounds freeze (most of the time now, but didn't use ...
user150109
1
vote
2
answers
5k
views
MacBook Pro (Mid 2014) 4k external displays performance
I was using my MacBook pro for years with two external full HD displays without a problem. Recently I switched to two 4K displays and since then fans in my MacBook spin all the time when when hooked ...
- 483
4
votes
1
answer
926
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Which OS should I downgrade to?
I recently bought a 2nd-hand iMac which has the following specifications:
iMac (27-inch, Mid 2011)
Processor: 3.4 GHz Intel Core i7
Memory: 16 GB 1067 MHz DDR3
Graphics: AMD Radeon HD 6970M 2048 MB
...
user296811
1
vote
0
answers
834
views
Macbook Pro: all apps crashing?
I have a 2017 MacBook Pro running macOS High Sierra. Today, System Preferences app suddenly stopped responding, followed by every other app whenever I had them active. Force quitting them was useless, ...
- 11
2
votes
0
answers
1k
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Disable Intel SpeedStep on a mid-2015 MBP w/ High Sierra w/ kernel_task issue
Please note I've read every other thread about this issue, and none of the suggested solutions work, primarily because they either refer to older OS versions or to removing machine profiles in ...
- 198
2
votes
1
answer
654
views
HDMI freezes on High Sierra
Sometimes when I plug my HDMI cable in, the macbook freezes.
It's 15inch retina, early 2013, recently clean installed macOS High Sierra.
I've resetted the NVRAM and the SMC, many times, problem is ...
- 268
15
votes
12
answers
20k
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 ...
- 253
1
vote
2
answers
598
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MacBook Air (mid 2013, 13", i5) - Geekbench scores on MacOS and Ubuntu
Today I decided to do a clean install on MacBook Air - did an online recovery, erased the disk and installed MacOS High Sierra. Even clean it didn't behave really good so I decided to try Geekbench - ...
- 111
29
votes
1
answer
16k
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How can I switch spaces instantly? [duplicate]
I can't overstate the significance of "instantly"! I'm trialling a working process that makes very heavy use of spaces. Heavy enough that any delay when switching spaces is making it essentially ...
- 1,369
13
votes
2
answers
2k
views
How can I tell if a directory has APFS Fast Directory Sizing enabled?
Apple's technical documentation in the Apple File System Guide describes that some directories like /tmp are not good candidates for the fast directory sizing feature.
Fast directory sizing works ...
- 241k
8
votes
2
answers
7k
views
iMac hangs trying to restart or shutdown 10.13.3
I'm having an issue with my iMac where it hangs during shutdown. It gets to a black screen with just the cursor showing. I am able to login from another computer via SSH and see that it's doing ...
- 433
1
vote
3
answers
2k
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High Sierra: WindowManager and kernel_task - Now you see it, now you don't!
I have long had issues with both Window Manager and kernel_task taking up seemingly inordinate amounts of resources on my systems going back in the OS release cycle for as long as I can remember, but ...
- 621
1
vote
0
answers
87
views
OSX freezes and logs me out when switching workspaces, it doesn't happen everytime and it's not consistant?
I'm running OSX High Sierra 10.13.2.
also,
where can I collect more info about why this is happening?
- 291
4
votes
1
answer
14k
views
High Sierra Disk Utility problems
I am using High Sierra (10.13.2, all updates in, including the one for Meltdown). When I do one of my regular checks for disk health using the first aid in Disk Utility the whole process is (1) ...
- 3,632
1
vote
0
answers
24
views
all process related tools stop working sometimes [duplicate]
So, for the 4th time now, all process tools on my mac stopped working (top, pgrep, kill, Activity Monitor, etc).
I can't find a pattern nor any log on what's causing it.
When it happens, iTerm ...
- 297
2
votes
3
answers
4k
views
Laggy MacBook Pro on High Sierra and 2 external displays
I've got a late 2013, 15-inch retina MacBook Pro.
Since a couple macOS upgrades ago, my system has become randomly slow, borderline unusable. I've come to realize it spikes when using 3 displays (2 ...
- 141
1
vote
1
answer
1k
views
What could cause a cumulative slowness that manifests itself as high WindowServer CPU usage in High Sierra?
My system is a MBPro with the GT750M graphics card, mainly using Chrome/Opera
After a day or two of regular usage, it's clear something is accumulating and eventually causing a slowness that shows ...
- 223
2
votes
2
answers
2k
views
Choppy mouse in High Sierra
Just did a clean install.
Oddly enough, when booting up, mouse responds immediately.
But after a while it becomes choppy. I am still setting up the machine, so I have no heavy applications running.
...
- 41
19
votes
6
answers
74k
views
How to fix mac os high sierra, freeze?
My Mac laptop is freezing like age old windows laptop since I have upgrade my mac os to mac os high sierra.
Mac details : Mac book pro retina mid 2012
It just freezes and i am forced to restart my ...
- 193
3
votes
1
answer
5k
views
Chrome and Safari keeps hanging after upgrading to macOS High Sierra
Since upgrading to High Sierra, both Chrome and Safari have been hanging randomly following startup. The rainbow pinwheel would appear every few seconds and I'd have to force quit/re-open those ...
- 31
1
vote
1
answer
277
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Many audio apps hang in High Sierra after an upgrade from Sierra
I'm seeing several apps hang:
iTunes does not load.
Spotify and other audio apps do not play sound.
Chrome and Safari hang when playing videos.
All the apps worked in other versions of macOS but ...
- 249
10
votes
1
answer
928
views
My MacBook Pro, High Sierra downloaded 13G last night while asleep
The system was presumably closed at my workplace.
How can I find why ? Some light on those 13Gb ? How Activity Monitor finds those numbers ? I will be glad to provide more information while the ...
- 253