2
votes
1answer
147 views

Safari makes my MacBook incredibly slow - what to do?

System configuration I'm working with a MacBook 2,16 GHz (13" white with the max. 3 GB RAM from about 2007) and "Snowleopard" OS 10.6.8. The problem: performance After a while, the MacBook becomes ...
1
vote
1answer
34 views

2011 27'' iMac kernel panic

My iMac has been giving Kernel Panic recently. its 2011 27in iMAC, and i added 8G RAM about one and half month ago. Around 2 weeks later, the error started and i upgraded the firmware. now im ...
1
vote
1answer
624 views

Purge command - Unable to purge disk buffers, error #-2?

When I attempt to run the purge command, I get the same error every time. [ERROR] <CPDevice.c:3816> Unable to create new counter client. [ERROR] <CPOSX.c:1172> Unable to get user ...
1
vote
2answers
234 views

Performance issues, can I recover memory?

In the past month I am having some serious performance issues with my MacBook Pro (2008 model). From the activity monitor, I get that the CPU usage is low (25%), disk usage is low (256 GB SSD drive, ...
4
votes
3answers
4k views

How to diagnose repeated OS X hang / spinning beach ball of death?

Here are my stats and brief summary of the problem: macbook pro; mid 2009; 13 inch; 2.26 GHz; 4GB RAM (currently, will elaborate); 10.7.5 The issue I'm having is that the computer constantly gets ...
2
votes
1answer
1k views

16GB of RAM makes MacBook Pro's fans go wild before sleep?

I recently: installed 16 GB of RAM (1600 MHz); on my late-2011 15-inch MacBook Pro; running OS X 10.7, aka Lion; with an Apple SSD drive. According to Apple my MacBook Pro only supports a ...
2
votes
1answer
474 views

Reduce memory usage in OS X Lion

I have a summer-2006 iMac with 2Gb memory. I use it mainly for "mainstream usage" : browse the web (including web-based applications such as Gmail) access a remote server (through screen sharing / ...
6
votes
3answers
3k views

Why does Finder use 59GB of swap space?

My new retina MacBook Pro(with 16GB RAM) keeps receiving this "Your Mac OS X startup disk has no more space available for application memory" message. I have 300 GB of free space on my hard drive, and ...
3
votes
1answer
2k views

Why do Mac OS X ramdisks appear to be limited to 550mb and how can I change this?

All I can find on the Internet is a one line bash command to activate a ramdisk. It is only 550mb and I would like to be able to create on with more space? Is there a way to configure how big they can ...
9
votes
1answer
2k views

Why is it that my Mac would rather swap than clear inactive memory?

Why is it that my Mac (running 10.8 Mountain Lion) would rather swap than clear inactive memory? I know people say that the Mac OS manages itself and whatever, but there is a serious performance dip ...
1
vote
1answer
2k views

Can I upgrade my MacBook with more than 4GB of RAM?

I have an Early 2008 13 inch MacBook updated to Lion. According to this Apple KB the max RAM I can add is 4GB. I know the OS that came with the initial computer didn't support 64 bit. So is this 4 ...
4
votes
3answers
2k views

OS X Lion behaving oddly after upgrading to 16GB RAM

Just upgraded Early 2011 Macbook Pro w/ 4GB RAM to 16GB RAM. System now sometimes runs smoothly and other times pauses frequently. Terminal keeps giving me 'System is low on disk space/memory' ...
0
votes
1answer
72 views

Does the Mac Pro 2008 display memory speeds accurately in System Information?

Can anyone confirm that when a Mac Pro 2008 has 800MHz FB-DIMMs installed it displays the Ram speed as 800Mhz in the System Information and not 667MHZ. I am running OS X Lion.
2
votes
2answers
739 views

OS X Lion: 8GB of RAM, 20MB free

I have a Macbook Pro (early 2011) running OS X Lion and while running a few apps that only take up, say, 200 MBs of space each (Xcode, Spotify, and Photoshop), my wired memory shoots up to 1.4GB, my ...
21
votes
6answers
12k views

What is wired memory?

I'm trying to figure out what is using all of the memory in my Macbook Pro running OS X Lion. I have 8 GB of memory total. When I quit all active programs except Finder and Activity Monitor, then run ...
0
votes
2answers
913 views

Finder is using over 100% of CPU and makes entire system slow

Every since upgrading to Lion my system has started to slow down, big time. I realized that the Finder was using over 100% of the CPU, even when I am really not doing anything with it. I restart it, ...
4
votes
2answers
834 views

Lots of inactive memory after watching HD/DVD movies

I'm the owner of mid 2010 iMac (core i7) with 16GB memory installed.Normally, Mac OS X (SL and Lion) never uses swap (that is page ins/outs = 0), there are always 3-8GB of free memory. But after ...
3
votes
2answers
1k views

How to determine how much RAM I can put in my Mac Pro

I have a Mac Pro 4,1 (Dual 2.66Ghz, 6GB Ram). I want to increase the RAM, possibly adding 8GB to my existing 6GB. The RAM slots are used as follows: SLOT1: 1GB SLOT2: 1GB SLOT3: 1GB SLOT4: OPEN ...