All Questions
Tagged with performance mac
71 questions
0
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3
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632
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Mac Mini 2018 sudden unexplained performance issues
I have a 2018 Mac Mini i7 with 32gb Ram. I have been having strange performance issues lately. I decided to reinstall the OS but it's still happening. I think I noticed the problems initially when I ...
- 963
0
votes
1
answer
266
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iMac 10.15 Catalina takes 2+ hours to boot
One of the 12 iMacs here has a big problem: it takes two hours or more from pressing the button to turn it on until finally ditching the progress bar and showing up the desktop.
It is a MacOS 10.15 ...
1
vote
0
answers
26
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Can the performance of MacOS Extend Display between Macs be improved by cable connection?
I have a M1 Mac Studio from which I "Extend Display" to a 16" M1 MacBook Pro, via the setting "Use As Separate Display". The connection happens over Wi-Fi, and the wireless ...
- 10.1k
1
vote
0
answers
26
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macBook is running at 1000% CPU [duplicate]
I have a 2019 MacBook that is running kerneld at 1000% CPU (yes 1000%) no matter if I boot the OS or even into Recovery Mode. However, when I boot into Recovery Mode with Command R I can also hear ...
- 121
1
vote
1
answer
161
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IMac slow, before and after clean install, spinning ball?
My 2008 iMac (4Gb ram) was running super slow! Well slower than normal :-)))
Lots of spinning beach ball.
Backed it up with time machine.
Ran Disk first aid and it said drive was OK.
Erase HD and ...
- 11
2
votes
1
answer
1k
views
Throttle CPU to reduce fan usage on MBP
I am using an MBP (late '19, 8-Core i9, macOS 12.5). On medium and heavy usage, the fans kick in, as expected. However, I sometimes want to use the MBP casually and would be willing to throttle down ...
- 23
2
votes
1
answer
207
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How to force quit a frozen system command prompt that asks for permissions?
I want to press "Don't Allow" but it has become a no-op, doesn't act. I don't want to press OK. This does not show up in the Force Quit applications option. I opened VS code in the Desktop ...
2
votes
1
answer
3k
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Safari 15 for Mac hangs / freezes on launch
Within a few seconds to a couple minutes of launching, Safari (version 15.2 on macOS Catalina 10.15.7) freezes with a “wait” cursor (beach ball). Even if I open to an empty start page and just let it ...
- 160
1
vote
1
answer
2k
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High kernel_task CPU usage problem
I have an old MacBook Air 13" from 2013. It has been working flawlessly up to maybe 6 months ago, where it started being insanely slow. I have identified the cause to be the dreaded kernel_task, ...
1
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0
answers
31
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iPhone froze during a software update
I plugged my iphone to my mac to update ios to 14.6. During the update when my mac was "preparing the iphone for the update", the wire came unplugged, after which the mac said there was a ...
- 361
-1
votes
1
answer
102
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Need help configuring specs for new Mac and my software needs [closed]
I have to buy a new Mac and I have two programs I'm hoping to optimize with the new set up. I know I can ask them in the Apple store but I know there's a lot of smart peeps on here so would love any ...
- 59
4
votes
2
answers
3k
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Is it taxing on the mac computers' performance to have multiple user accounts and not log out of them?
I have separated my digital life into 2 user accounts on my macbook into work and personal. In order to switch between these two accounts more easily I usually lock the screen and switch to the other ...
- 167
1
vote
2
answers
680
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Macbook air 2020 overheating
I just got my macbook air and installed some apps on it. But it started to get hot and I don't know why. The ram usage is 5 GBs out of 16 GBs and CPU usage is about 7%. But still the bottom of my ...
- 11
1
vote
0
answers
1k
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What is the best way to show the speed of copying files on a Mac?
I'm using macbookpro 16inch, Catalina 10.15.5 . I connect to my external SSD drive (SAMSUNG T5) from usb-C to usb-C. When using drag and drop in finder , it took 5 sec to copy a 1,47 Gb file. I need ...
- 133
1
vote
0
answers
23
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How best to plug in dual monitors in dual GPUs?
How would you plug in two high-res monitors into a Mac with dual radeon pro 5700X GPUs to maximize system performance, specifically for rendering/programming:
Both monitors into the same GPU, and one ...
- 11
1
vote
0
answers
26
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Every several minutes, all my open windows re-adjust their content and text layout
Every several minutes, my computer nearly halts as it all the windows have their content re-adjusted. It seems as though all the text, at least, is being re-rendered. Perhaps the entire window's ...
- 13.4k
6
votes
0
answers
615
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28-Core Mac Pro build time significantly worse than Macbook Pro [closed]
I'm comparing Xcode build times for my project on two machines:
A 2019 Mac Pro with 28 cores and 192 gb of RAM.
A 2019 Macbook Pro with 8 cores and 64 gb of RAM.
The Macbook Pro can build it in 27.6 ...
- 629
1
vote
1
answer
443
views
Macbook often goes to max CPU and then hangs there
My MBP 2015 15" often hangs with the same sequence of events. First the fan starts rushing up to top speed, then the screen gets some lag, then becomes unresponsive, and then the whole thing hangs in ...
- 131
1
vote
1
answer
95
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What could be the cause? I/O completely died. Constant spinning, even logging in takes forever
iMac 5K, late 2014 model. The weirdest thing happened yesterday. This machine is usually very performant — 8GB ram, 3TB Fusion drive. I dual-boot Windows on it using Boot Camp.
As of now, I still have ...
- 31
0
votes
0
answers
670
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My Passport Ultra transfer speed
I bought this device to replace an older HP external drive. This WD drive comes with a USB 3C cable and a USB 3 adapter. Im using it on a MPB - USB3 port. WD will only give me "theoretical" speed ...
- 777
2
votes
0
answers
76
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Is having too much stuff on the Desktop still a performance killer? [closed]
See for example
This article
Or this one
Or this one
Now, the answer to this question seems to suggest that the problem is icons on the desktop needing to be repeatedly redrawn, but the articles ...
- 435
5
votes
1
answer
431
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Mac refusing to shut down because of finder?
When I shut down, restart, or update and restart my mac goes about shutting applications down to get ready to turn the computer off as it normally does but after my top bar and desktop icons have gone ...
- 51
1
vote
2
answers
6k
views
Mac OS X 10.6.7 freezes on restart
I recently got a Mac running Mac OS X 10.6.7. I installed the software update that was available, and when I tried to restart it, it seemed to be going well until it froze on the original space ...
- 33
3
votes
2
answers
162
views
My MacBook is slow recently. How do I fix this?
My MacBook has become very slow recently and not because of any software update. But it just became suddenly slow. Logging in to my account takes 2 minutes and even opening a terminal window takes a ...
- 763
4
votes
2
answers
10k
views
Mac freezes after entering login password
My Mac starts up normally, but when I enter my password on the login screen, it freezes with a spinning beachball.
I am unable to access it due to this problem. How do I resolve this issue?
- 41
9
votes
1
answer
8k
views
TouchBar keeps freezing
The TouchBar in my new MacBookPro 2017 keeps freezing every time I use it to adjust the brightness of the screen. In order to circumvent this, I need to use the "Force Quit" command, but is becoming ...
- 2,832
6
votes
3
answers
6k
views
macOS temporarily freezes
After working fine for days, my Mac has started freezing temporarily. This is triggered by switching between applications. This freeze may last a couple of seconds to a minute or even more. After that,...
- 201
1
vote
1
answer
3k
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Can Turbo Booster (3rd Party Application) damage your CPU?
I have turbo booster installed on my old macbook pro which I currently use to handle files between my iMac Pro and the macbook. The macbook has a base clock of 1.4 Ghz turbo boost upto 2.3 Ghz. On ...
- 2,289
1
vote
1
answer
816
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MacOS dock freezes when I launch Java application
I have a late-2016 MacBook Pro (without Touchbar) - MacOS High Sierra 10.13.2 - Java 9
Since one or two weeks, when I launch a Java application (NetBeans, a JavaFX app, Eclipse... etc) my MacOS docks ...
- 71
3
votes
1
answer
2k
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MacBook Pro 2017 Geekbench Before and After Spectre and Meltdown Patch
I was just wanting to see the impact on speed due to the patches for the recent Intel CPU Bugs.
I have run the update already, but was wondering if someone could run a Geekbench test on macOS 10.13.1 ...
- 2,364
3
votes
1
answer
273
views
Meltdown & Spectre bug & new CPU's
I am thinking to buy a new MB Pro in March. However, the bugs discovered has made me a little bit concerned.
I am a software engineer and I am most definitely a "Power User". Apparently, some users, ...
- 387
3
votes
2
answers
111
views
Storage, what percentage to leave free?
Flash memory and SSD controllers are reported to spend more time running wear-leveling and/or anti-fragmentation garbage collection algorithms when their storage is near full.
People have reported ...
- 5,483
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
2
answers
4k
views
How to stop throttling
How could I improve the performance of my MacBook and stop throttling?
Although the CPU load is not by 100%, the CPU cores heat up to 100 degrees.
- 125
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votes
1
answer
1k
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MacOS Sierra how to reduce priority of iCloud drive sync?
I have an older Macbook air and since upgrading to Mac OS Sierra get major performance issues. I see over 1000 threads in activity monitor and am trying to understand if it is due to iCloud drive sync ...
- 1,698
1
vote
2
answers
4k
views
Speed of Card Readers Speeds of Macs
Is there a way to find the read/write speed of the SDXC card readers on Macs?
I've been looking for it in System Information, or some chart on the web, to no avail.
(I'm specifically looking for ...
user93177
1
vote
2
answers
1k
views
Macbook Pro is Excruciatingly Slow [duplicate]
I have a Mid 2012 Model Macbook Pro, nearly 3 years old, and my computer has recently become extremely, stupidly slow. It's becoming hard to perform simple tasks on the computer, like opening a Google ...
- 11
8
votes
4
answers
2k
views
Why is a 2.7 GHz iMac slower than a 1.8 GHz MacBook Air?
I have a Late 2015 iMac which has a 2.7 GHz Intel Core i5 processor and 8 GB of memory.
I also have a Mid 2012 MacBook Air which has a 1.8 GHz Intel Core i5 processor and 4 GB of memory.
The iMac ...
- 1,332
1
vote
0
answers
564
views
OSX El Capitan freezes after connecting to SMB share
Why does OS X El Capitan freeze after it connects to an SMB share? The OS will successfully connect to the remote SMB share and mount it. After a short time passes, the Finder freezes and the entire ...
- 111
3
votes
4
answers
3k
views
What's slowing down my Mac?
I have the following mac:
iMac (27-inch, Late 2013)
3.4 GHz Intel Core i5
8 GB 1600 MHz DDR3
NVIDIA GeForce GTX 775M 2048 MB
It has a HDD, and I have 240GB out of 1TB free space.
I'm on OS X El ...
- 373
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3
answers
2k
views
Is the new 2015 Macbook Pro slower than my mid-2012 MacBook Pro? [closed]
I'm looking into buying a new MacBook Pro. The Mid 2012 model I have from work has a CPU with a clock speed of 2.9GHz:
Compared to the models available in Apple's site, which have slower or equal ...
- 101
0
votes
1
answer
8k
views
Mac freezes after login
My mac laptop freezes after I login with correct password. All I see is my wallpaper. after that the rainbow thing starts spinning.
I tried to start in safe mode but that didn't help either. I also ...
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1
vote
2
answers
3k
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Suggestions to make a old Macbook Pro faster?
I got a Macbook Pro I think the year 2010. How can I make it faster because,it starting to get slow. Are there Free or Inexpensive Apps or tricks to make it fast?
Thanks!
- 113
0
votes
2
answers
125
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New top-of-the-line MacBook Pro suddenly starts acting old
About a week ago, I got a new MacBook Pro. I work a decent bit in video editing, among other things, so I had the processor upgraded to the highest available model. The box arrives, I open it, and my ...
1
vote
1
answer
503
views
Computer is generally slow, Applications take 10 seconds - 3 minutes to launch, websites take 5-15 seconds to load, etc
I don't know why but my computer is generally slow. Some examples are:
Applications take 10 seconds - 3 minutes to launch, depending on which application.
Websites on the internet (all browsers) take ...
- 1,923
0
votes
2
answers
359
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Mavericks 10.9.5 RAM problem and performance problems
Macbook Pro Late 2011, Mavericks 10.9.5 had my RAM consumed up to 2.75 GB (out of 4.00 GB) with no apps running except Finder.
Hard Disk Storage: ~300 GB free out of 500 GB
Creating new, renaming, ...
- 1
4
votes
5
answers
2k
views
What are the Best Ways to Speed Up a Mac?
I have a 2012 Macbook Pro and although it seems to be working fine, over time it has seemed to become more sluggish and less snappy / responsive. So is there any good ways ways that I can 'speed up' ...
- 285
1
vote
1
answer
1k
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Is it possible to upgrade 2.26 GHz processor to 2.4 GHz?
I recently bought a 2009 macbook that I thought would have a 2.4GHz processor (along with 4GB of RAM) but instead has a 2.26GHz processor with 2GB of RAM. (I expected it to be 2011.) I got it fairly ...
- 11
0
votes
1
answer
545
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How to diagnose repeated OS X hang / spinning ball of death?
I got this error with everyday tasks. I tried verifying disk, permission. fsck -fy - files has been modified, then disk is ok. I repaired keychain.
Do you have any idea what causes this problems? ...
- 1
0
votes
1
answer
270
views
Is it possible to reserve exact amount of space for the indexing and virtual memory?
Is it possible to reserve exact amount of space for the indexing and virtual memory?
I have Macbook Air with 128 GB SDD (with OS X Yosemite). When I run out of memory (free space less than 1 GB) the ...
