Questions dealing with performance of Apple hardware or software, especially about troubleshooting or improving poor performance.

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1
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1answer
21k views

What is causing slow Wi-Fi speeds on my Airport Extreme?

I have a recent model (bought 1-2 years ago) Airport Extreme that, until yesterday, has worked flawlessly. Starting yesterday, my wireless speeds have tanked. I first suspected my ISP, but that ...
1
vote
1answer
73 views

cpu is 100% used, yet no application shows significant usage

Since a few days my IMac started showing weird behaviour. In Activity Monitor it shows that my CPU is 100% used. Literally 0% idle, but there are no Applications using anywhere near this much ...
2
votes
2answers
1k views

Would adding RAM to 2009 imac improve performance

Since I upgraded to Mavericks from Snow Leopard, my 24 inch 2009 2.93 Ghz imac has been quite slow. It's slow to open up programs and slow in general. Currently the imac only has the 4Gb of RAM that ...
1
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1answer
78 views

Why does Finder slow down and start beach balling after heavy use?

I am experiencing the following issue in Finder on OS X Yosemite 10.10.5. After working for sometime heavily on it, usually about 10-15 minutes, navigating in directories, moving/copying renaming ...
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2answers
16k views

How to run a performance benchmark on my MacBook Pro?

I need to run some sort of performance benchmark to measure how slow my MacBook Pro is (and why)—a 15" MacBook Pro (late 2008) with a 2.4 GHz Intel Core 2 Duo processor, 4 GB of DDR3 memory, and ...
7
votes
5answers
5k views

Time Machine ridiculously slow after El Capitan upgrade

I recently updated to El Capitan, and told Time Machine to backup. It got stuck on Preparing Backup for hours, so I stopped it, deleted the InProgress file, rebooted and tried again. After ~30 mins, ...
1
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0answers
27 views

Can I find information on whether the iMac with 250GB, 500GB, or 1TB of SSD storage differ in speed?

Apple doesn't say in their order or specs page, but I am wondering if there is any info on the iMac 27 Retina model, if the 250GB, 500GB, or 1TB SSD hard drive differ in speed? Such as the speed of ...
7
votes
2answers
939 views

What is 'symptomsd" and why is it at times using 60% of my iMac's CPU?

There is a system process on my iMac running El Capitan called "symptomsd" that has been consistently bouncing back and forth between about 20% to 60% of the CPU resource on my iMac. It is running ...
1
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1answer
43 views

Macbook pro mid 2012 slow down

I'm actually asking about my wife's macbook pro which I don't use very often. It's slowed down quite a bit recently and apparently before the update to El Capitan. Programs have started to take a long ...
0
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3answers
3k views

Very Slow Download Speeds from Apple Applications (Safari and Mac App Store)

After I restored my computer to a clean reinstall of El Capitan, I have experienced incredibly slow download speeds in Apple applications only (Safari and the App Store). I tested downloading a file ...
1
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2answers
18 views

Fresh install after CPU upgrade

When installing a program on a Mac does the installer consider processor speed and number of cores in order to tailor the programs performance, and if so will upgrading processor architecture from ...
1
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3answers
1k views

Mac Mini (Late 2009) - Recommended OSX Version for it?

I have a Mac mini (Late 2009) (hw.model: Macmini3,1, 2 GB RAM) that I've got hooked on my TV primary as a "media consumption" device... but a while ago I updated it to: Mac-mini:~ javier$ sw_vers ...
12
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5answers
2k views

How to slow down clock speed of processor

I recently bought a new MacBook Pro which sometimes goes too fast. I frequently program for Mathematica, and on my old 2007 MacBook Pro I usually got a feeling for inefficient code when it runs ...
5
votes
1answer
4k views

Are there performance issues with iOS 6 running on iPhone 3GS?

My brother has an iPhone 3GS. The upgrade to iOS 5 has considerably slowed down the device. Will the upgrade to iOS 6 slow down the device even more? Will iOS 6 work well (not any different from iOS ...
1
vote
1answer
87 views

High CPU and energy usage in Safari

Energy impact of Safari is extremely high on my Macbook Air Mid 2013 El Captian 10.11.2. It lead to high usage of CPU (Temperature ~65.0°C) and the CPU fan is running in full speed (6500.0 RPM) ...
3
votes
0answers
70 views

Is it possible to disable CPU throttling on a MacBook Pro with a completely dead (not recognized) battery?

I have a MBP late 2011 running El Capitan, recently my battery died (x over the icon and "no battery available" in the dropdown.) I've noticed since then that CPU intensive tasks are very slow, and I ...
1
vote
2answers
286 views

Is there a task manager for OS X El Capitan?

Something's causing my Mac to bottleneck on startup and on wake. I'm curious if I can isolate this by leaving a monitor program running so I can see what's eating up the CPU. How can I check CPU ...
1
vote
1answer
40 views

Performance problems, possibly malware?

I have concerns about malware or something significantly affecting the performance of my iMac. As you can see from the screen shot below I have updated to OS X Yosemite Version 10.10.5, but I did ...
3
votes
0answers
99 views

iBooks on El Capitan

I have a large number of items in iBooks. some epub, lots of work related PDFs. in total around 20k documents that I want to sync to my iPad to carry around as a convenient source of reference. ...
2
votes
1answer
2k views

Do the three iPad personal hotspot tethering options differ in terms of speed?

I am delighted with LTE tethering on the new iPad with personal hotspot. What are the speed ramifications of selecting Wi-Fi over Bluetooth or connecting via USB and the dock connector?
1
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0answers
34 views

MBA6,2 10.11 faulty temp sensor 230~300% kernel_task problem

Problem started after I sprayed some water during shower. Fan runs on 6500rpm as soon as I log on and kernel task stays on 230~300% even though laptop is not even warm. So I ran HWmonitor and it ...
1
vote
1answer
321 views

troubleshooting Finder (and disk access?) speeds — Dropbox extension problems?

I am on Yosemite 10.10.3, though in the public beta program (which now is in sync with releases). I am also in the Dropbox beta, now on 3.5.58, for what it's worth. File access is curiously slow now. ...
1
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2answers
749 views

How to fix fontd process taking up 100% of the CPU?

I experience reoccurring incidents of fontd eating up all the process power. What could be the cause of this and how do I make it behave again?
0
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0answers
62 views

MacBook Pro 13-Inch Retina Mid-2014 slowing down badly

Recently I started facing issues with the web surfing and some features in the Mac OS X. For the most of the web surfing I use Google Chrome, and a few websites like Facebook lag a bit on my ...
1
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0answers
45 views

diagnose possible issue with MBpro 2012 running very slow

tl;dr Can a MacBook Pro become unbearably slow because of hardware issues, e.g a hard-drive failure? How can I best diagnose this? I own a MacBook Pro from 2012, which recently has become unbearably ...
1
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2answers
244 views

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!
1
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2answers
1k views

iPod Nano 2G audio started skipping during music playback - what causes this?

My 5 year old iPod Nano "2G" 8GB has recently began skipping during song playback. It sounds like when a CD skips, a kind of digital glitching sound. But lately it's gotten really bad, where it will ...
2
votes
2answers
413 views

Macbook Pro 15“ vs 13” - Performance vs portability

Currently I've got a MacBook Pro 15" (mid-2010, model 6,2), with 8 GB RAM, 2,5 GHz i5 Processor and Intel HD Graphics 288 MB video card. Seeing as it's 5+ years old, I really need a new one, ...
0
votes
0answers
112 views

Resolve constant fps drop

approximatly 2 weeks ago I could notice a constant fps drop from 60fps to 30fps in games (League of Legends). I tried to set the graphic settings from medium to low and to pin the fps to 60 with ...
0
votes
0answers
18 views

How to analyze Safari 9 during responsiveness issues?

I am having some odd problems since the 10.11.1 update wherein Safari has been performing rather poorly. It takes some seconds to even start responding when focus is switched over to it and other odd ...
0
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0answers
158 views

How do you remedy iMac (2009) slow start-up, and sluggish performance?

here are my system details: OS X El Capitan - gold iMac (21.5-inch, Late 2009) 3.06 GHz Intel Core 2 Duo 12 GB 1067 MHz DDR3 I have reduced startup to 1 or 2 apps, have at least 75GB avail on 500GB ...
1
vote
1answer
84 views

speed up iOS9 on iPad 4?

Ever since I've installed iOS 9 on my iPad it has been quite slow. The network seems slower, for example Netflix often times out. Chrome often shuts down, presumably because it is using too much ...
1
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2answers
42 views

Identifying bottlenecks

In any computer, there is a bottleneck. The processor, the amount of memory, the bus to the hard drive, etc. I just ordered a 2010 MacPro, 12 core, and although the 12*3.33 GHz cores should give me ...
2
votes
5answers
227 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' ...
1
vote
1answer
186 views

Mac book Pro is very slow on wifi connection

I have three computers in my home. My old computer is a lenovo w530 running windows 10 and my new computers are a 13'' and 15'' inch macbook pro 2015. All computers are connected to the same wifi ...
0
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0answers
25 views

Speed MacBook mid 2010 to run faster?

My MacBook has been slow for several OS updates; I've removed all documents and unused applications. Is there anything I can do to upgrade my mid 2010 MacBook to run faster?
0
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0answers
17 views

Why was there such a speed increase on cksfv on El Capitan?

I use cksfv regularly to check large files after I ftp them to my machine. Following an upgrade to OSX El Capitan yesterday I saw a dramatic increase in speed for cksfv. I'd say more than 2x speed ...
-2
votes
1answer
243 views

My MacBook slowed down after installing El Capitan

After I installed El Capitan on my MacBook, it has slowed down considerably. It is not lagging. It simply takes longer to respond as a little red colored wheel is turning where the cursor should be ...
0
votes
1answer
18 views

Equivalent of disabling services in Windows to lessen CPU/RAM usage for OS X?

When it comes to the underside of things I know a lot more about Windows than Mac/OS X, so I'm not sure if OS X is even like this in this aspect but what I'm wanting to know is I used to very ...
31
votes
3answers
19k views

What are the differences between journaling HFS+ and non-journaling HFS+?

I'm about to format an external hard disk drive (HDD). What are the key differences between journaling HFS+ and non-journaling HFS+? Apart from the fact that one has journaling and the other does ...
1
vote
1answer
2k views

What are the consequences of running the 13" retina MPB in higher native resolutions

This question is basically about how do different resolution settings affect the performance of your macbook. By default retinas are set at the "retina" display mode. You can also set them to the ...
1
vote
1answer
3k views

High memory usage on MacBook PRO retina 16Gb i7 2,5ghz

I'm using a MacBook Pro Retina 15-inch 16Gb Processor 2,5 Ghz Intel Core i7 Graphics Intel Iris Pro 1536 Mb OS: OS X Yoseminte v10.10.2 I'm having a problem with my ram. I think its eating too much ...
0
votes
0answers
98 views

Connect with Windows 10 to Mac Mini with Remote Desktop

I want to connect to my Mac Mini over Remote Desktop. So, I enabled Remote Management in Apple Preferences and connect using VNCViewer on my PC. Unfortunately, quality connection is very poor. For ...
1
vote
0answers
41 views

Slow Mac Mini Performance [closed]

Mac Mini suddenly becomes slow and takes a long time to boot. But it runs fine if I clear the PRAM (by pressing Command+Option+P+R) at the system startup. But it becomes slow if i put my Mac on sleep ...
2
votes
3answers
167 views

Performance of MacBook Air SSD Targeted from iMac

I use a MacBook Air, but would like to put an iMac at my office for a performance boost. I don't want to switch between operating systems, so I'd like to target the Air's SSD (via Thunderbolt 2) when ...
8
votes
1answer
173 views

Why does Dashlane use so many ports?

I use Dashlane to store passwords, and I like it, but there's one problem I've had with it. I use Activity Monitor to see what's going on, and something strange has been happening with Dashlane ...
2
votes
3answers
716 views

Bootcamp + Windows 8.1 + Apple Macbook 2011

Recently I installed Windows 8.1 64bit on my Macbook Pro (2011). Everything went fine and I am able to duel boot using Bootcamp. Only issue I am facing is poor performance in Windows. Its taking ...
-2
votes
1answer
40 views

What Is The Fastest Fromatting Cluster Size? [closed]

I've bought a new USB 3.0 stick and I would like to optimize it for speed. Currently, I'm struggling with the cluster size or block size. I've read a lot about it but I could not find a clear answer ...
1
vote
3answers
6k views

Mac book pro is very slow

I have a mac book pro late 2011. It has a very powerful hardware. But it is very slow. For example when I'm making expose geisture, there appears 'loading circle' and mac lags for 4~5 seconds. Same ...
3
votes
1answer
5k views

Ridiculously slow MacBook Pro

I have a MacBook Pro (I think mid 2012). About three months ago it started running really slow, so I renstalled the OS with a recovery partition. For a few weeks it ran very well with an overall very ...