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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3answers
3k 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 ...
0
votes
0answers
18 views

WiFi slow down drastically when iPhone 6s connected

Good day everyone.. (not good for me obviously) I have questions about my iPhone 6s (iOS 9.3.2) connecting to my TP-Link Router (Model No. TL-WR740N / TL-WR740ND) and its performance. Whenever I ...
0
votes
1answer
15 views

MacBook gets heated up

I am running on macbook pro 2015. Since, few days, I have noticed a significant degradation in it's performance. Here is the screen shot of the activity Monitor. Can someone please help me on, how can ...
0
votes
0answers
35 views

I don't get proper internet speed on mac

I don't get proper internet speed on my macbook pro mid 2015 model. My ISP have one FTP server where I get on average 5 to 6 MB/s speed and internet speed about 300 KB/s in other website on my other ...
3
votes
1answer
26 views

Is there any part of OSX that gets a significant speed boost from Intel AES instructions?

I've been comparing some specs between Mac Pro models, specifically with the jump from Harpertown (a.k.a. Core 2) to Gulftown/Westmere (a.k.a. Core i7). While there were expected incremental ...
99
votes
10answers
75k views

WindowServer high CPU on Yosemite

This is a follow up to So my Yosemite install is slow - what to do? Since installing Yosemite a week or so ago my machine is very sluggish. I am a web developer so I change windows/apps a lot. ...
7
votes
2answers
2k 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
vote
2answers
26k 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 ...
3
votes
2answers
70 views

Macbook Pro Hard drive speed

I have an early 2011 Macbook Pro with a Toshiba MK7559GSXP 750GB 5400rpm hard drive (that has about 48GB free) and running El Capitan. Recently I had the feeling that things were running slowly (and ...
2
votes
4answers
73 views

Does force closing apps have any benefit on iOS devices?

I've gotten mixed answers from various websites and people concerning this question, and I wanted to put it out there for all of you to answer once and for all. The question is, does force closing ...
1
vote
2answers
36 views

iMac (Late 2015) using swap when there's still plenty of RAM left

My wife's new iMac is behaving rather oddly. Despite being a pretty powerful machine, it's rather slow and laggy. I looked into it, and it seems her swap memory is maxing out, even though there's ...
0
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0answers
14 views

Typing and UI lag, yosemite

I have a macbook pro 13" mid 2009 with SSD and 8GB RAM. It runs Yosemite 10.10.5. When I changed the original HD with an SSD and installed Yosemite (a few months ago), the computer started working ...
0
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0answers
21 views

Is there a way to change only the horizontal scrolling speed on an apple corded mouse?

I have the latest macbook pro running the latest osx and i am using the corded mouse. Hope i could use the magic mouse but i am stuck with the crap corded one for now. I can say i am OK with it, apart ...
0
votes
0answers
9 views

What happens when PCIe boost circuits are overloaded?

In my understanding, the 2010 Mac Pro is rated for 75W of power for each PCIe slot, plus 75W for each of the two 6-pin boost (aux) circuits. I know it's possible to exceed these limits, because I do ...
2
votes
0answers
24 views

Why does my Mac slow down when the volume/brightness indicator fades out?

I frequently change the volume and brightness on my computer. Usually I modify them to more or less match my surrounding physical(!) environment. But there's this one annoying quirk with changing my ...
0
votes
3answers
6k 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
vote
1answer
71 views

Do Sophos and Spotlight conflict and if so, how can I run both applications without problems?

I just got a brand new 13" MacBook Pro at work. I have noticed that Spotlight has been running constantly giving me ~4 hours of battery life. The motivation for getting this laptop was to have the ...
1
vote
1answer
23 views

Why is this stock iMac so slow at launching apps?

I bought a refurb iMac from apple.com: 21.5", late 2013 2.9 GHz Core i5 8 GB DDR3 Geforce GT 750M 1024 MB 1 TB SATA Disk No SSD, but this should still be performing well for basic tasks. It's ...
0
votes
0answers
36 views

Java/Scala programs running on my mac are slow

I'm using my Mac machine (Macbook Pro 2015, with SSD) for work, doing mainly Java/Scala development with it. The machine I'm currently using is about half a year old, fresh install, with some ...
1
vote
0answers
409 views

Is there source code or an update for the Mac Pro 3,1 overclock utility that ZDNet produced several years ago?

The Mac Pro from 2008 (MacPro3,1) is still a fairly relevant machine in the modern OS X as not only does it run the latest releases of OSX, but also the 8 CPU cores that it came with provide enough ...
1
vote
0answers
45 views

Why exactly do people consider the Mac Pro 3,1 (Early 2008) PCI bus too slow for fast GPUs?

I've upgraded the GPU on my MacPro3,1 (Early 2008) from the original 8800GT to a 6870 and things were fine. I've been looking recently to take it another notch up the ladder, but I've stumbled across ...
0
votes
0answers
22 views

Is there an alternative to hiding an application that will reduce the performance demand?

I'm just wondering if there is an alternative to hiding an application, that can reduce the performance demand of a program. I'm curious because I use blender from steam, but steam won't close unless ...
0
votes
0answers
15 views

Limit frame rate on specific apps? (speedhack)

I'm working on an application that tests a player's reaction speed level by level, however I'm having difficulties implementing higher levels as my own reaction speed is only average. Is there any way ...
1
vote
1answer
76 views

VLC 2.2.2 and OS X El Capitan Issue

I have been using VLC Player for 7 years and after update to 2.2.2 It is really painful to use it with El Capitan. It is very slow to forward or backward, It constantly freezes and lots of time the ...
0
votes
1answer
42 views

Why Gigabit Ethernet Direct Connect is not default at Macs?

Trying to connect two Macintoshs with a Ethernet cable (capable of Gigabit speed, of course) will not automatically set a gigabit connection. Instead of this, a 100MB connection is established. Does ...
15
votes
8answers
15k 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, ...
3
votes
1answer
38 views

MacBook Pro mid 2012 13.3 HDD cable performance

I am helping a friend to fix her MacBook Pro 13.3 performance problems. It was barely booting, and terribly slow for disk seeks. Then I replaced the HDD. It was perfect with new SSD and El Capitan ...
0
votes
0answers
5 views

iPad Update from iOS 6 -> iOS 8 and back again, possible? [duplicate]

I have an iPad 3 with iOS 6 which runs buttery smooth. I want to update to iOS 8, since I saw that it ran quite okay on my friend's iPad. My iPad 2 with iOS 9 has become unusable though, too slow, and ...
0
votes
1answer
923 views

Should I upgrade my iPad 2 to iOS 9.3 from iOS 5.1.1? ( Late March 2016)

I recently recovered my lost iPad 2. I cannot afford a new tablet at the moment and I will use my iPad 2 as a daily driver (to browse the web, read books, college lectures, play games and other light ...
1
vote
0answers
53 views

Severe performance issues with my Macbook Pro Retina 13 - mid 2014

A few weeks ago I bought a used Macbook Pro Retina and I've been having severe issues with it since. The first thing I did when I bought it was to upgrade from whatever version of OSX it was using to ...
1
vote
4answers
324 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 ...
0
votes
1answer
124 views

How can I test my LAN speed between Mac and Apple TV?

How can I test my LAN speed when I do not have two computers? I have a Mac, an iPhone, and Apple TV. I want to see the strength of my home network. I don't care about testing my internet connection, ...
3
votes
3answers
4k views

Mac Pro Memory - Should I use 8 RAM slots in dual-channel mode or 6 RAM slots in triple-channel mode?

I have a Mac Pro tower with a 2 x 2.66 GHz 6-Core Intel Xeon chipset, and 8 RAM slots. I have been told because of the processor's triple-channel memory capability that I should be installing RAM ...
0
votes
0answers
65 views

Throttle ONLY Internet upload in El Capitan (not all network activity?)

I've got a mac mini running as a (mostly) headless server. Occasionally in the day it brings my horrendous internet connection down by maxing out the upload with various services it runs. I was ...
0
votes
0answers
18 views

MacBook Pro 17" Late 2011 - Does the Optibay support SATAIII SSD?

I have a Late 2011 MacBook Pro 17" with an SSD in the main drive slot and a HDD in the optibay. Yet I was interested in installing a RAID0. I have checked with system profiler to see that, of course, ...
0
votes
1answer
357 views

Macbook Pro Differences (2015 vs 2016) [closed]

I was looking into getting a Macbook Pro 15 inch with Retina Display. I've never owned a Mac so I did some researching while looking at what to get. I saw a lot of articles saying to wait for the 2016 ...
-3
votes
1answer
309 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
2answers
307 views

Slow mac when Terminal have been open for some time

When I have Terminal.app open for some time (mostly after 2-3 hours), everything starts getting slow. When I type there is a delay for each character, and all applications lag when I scroll. If I ...
1
vote
0answers
57 views

Wi-Fi speeds very slow on iPhone 5

I have a strange problem with my iPhone 5 running iOS 9.2.1. When I first join my home Wi-Fi network, it is running nice and fast. I use the Speed Test app and measure 60 Mbps down, 4 Mbps up, which ...
2
votes
1answer
283 views

Typing into Safari on iPad extremely slow

We have an iPad mini 2 running iOS 9. Ever since upgrading, any text field in Safari is painfully slow, generally taking 2 to 4 seconds before responding, and then doing so in fits and jerks. This ...
2
votes
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 ...
0
votes
0answers
39 views

Can I conclude that I have to upgrade my mac's RAM based on these stats?

My 2012 13 inch MacBook Pro has become real slow, even when just a few programs like Itunes, Safari or Spotify are opened. I've been cleaning up my HDD, but I don't feel like it's speeding up. So I'm ...
1
vote
2answers
39 views

Is it possible to limit resources to a game? Or forcibly limit the FPS

I recently bought and installed a new game through steam 'besiege' if you were wondering, and it ran really hot on my computer. On other games such as CS:GO for example you can cap the FPS in game ...
1
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0answers
35 views

Mid 2012 Mackbook Pro performance problems

I bought an used Macbook Pro Mid 2012 and it has performance issues. Basically it hangs from time to time even when its not under heavy load. I started to inspect the possible causes and I found out ...
-1
votes
3answers
93 views

Is the new 2015 Macbook Pro slower than my mid-2012 MacBook Pro? [closed]

I need to return my computer to the company I worked for (after all, they own it) so I'm looking into buying a new MacBook Pro. To my surprise their Mid 2012 model is: Compared to the slower models ...
1
vote
1answer
250 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
vote
1answer
129 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 ...
1
vote
2answers
17k 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 ...
1
vote
0answers
31 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 ...