Memory normally refers to RAM. Temporary, high-speed storage used to keep frequently accessed information available for use and helps keep the computer running smoothly

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21 views

How to upgrade RAM of MacBook Pro 15-inch, Mid 2012

I want to upgrade my MacBook Pro 15-inch, Mid 2012. It has now 8 GB of RAM. I want to upgrade it to 16 GB. Any suggestion on how to do this are greatly appreciated.
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1answer
631 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 ...
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1answer
25 views

Hits ram ceiling on boot

I just restarted my Late 2011 Macbook Pro. 3.58Gb-3.71Gb / 4.00GB are being use right out the gate. It takes forever for anything to load. I'm very interested in purchasing new ram, but for the time ...
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0answers
14 views

Advice in buying second hand Mac Book Pro?

i'm windows and linux user. Basically, i'm interested in mac because i'm web developer. Some of the development tools are run well on macs. Requirement (if required) I'm going to buy it in ...
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3answers
435 views

iMac slow and unresponsive after Mavericks

There have been a few questions and answers about memory usage, whether one should pay attention to the Activity Monitor, that Memory Pressure is more indicative of a system being maxed out on RAM, ...
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0answers
23 views

Get RSS Memory usage from entire OS on command line

I need to get the entire count of RAM being used on a command line. I can get individual process RSS usage using ps -o rss= -p #{pid} How do I get all the memory usage for the entire system on the ...
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2answers
303 views

Does use of memory with timing CL=10 instead of Apple used CL=11 slow my Mac down?

After reading Why is 8GB, Ballistix 204-pin SODIMM, DDR3 PC3-12800 memory module showing as not compatible with Macbook Pro mid 2012? on the Crucial forum, and the response from Crucial: use our ...
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2answers
844 views

Is there a firmware upgrade for the Macbook6,1 from MB61.00C8.B00 to B02?

This question is directly relevant to my failing attempts to upgrade the RAM in a Late 2009 White Unibody MacBook (MacBook6,1) to 8GB, and the question may be better asked in that context. It is ...
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1answer
716 views

Mac Mini has slowed to an unbearable crawl!

I've read a lot of other questions about speed, but my question does not seem to be answered anywhere. My Mac Mini is running so slow that I cannot see what I am typing. It takes up to 15 seconds to ...
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1answer
15 views

“disk full” error — quota disagrees with system information

When I try to download anything or create/save new files, it fails saying "Disk full". Entering quota in terminal tells me around 417600 blocks have been used out of 512000. However, going to About ...
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0answers
45 views

What causes playing a video in browser to take up all the RAM?

I've been noticing lately that when I'm playing a video on my Mac from say Hulu, Netflix, Youtube, any video site via a browser, the computer gets extremely laggy for 5 minutes and then acts normal. ...
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2answers
538 views

Does iTunes have a limit on the number of movies it can list?

I have a very annoying problem. Using HandBrake I have been able to rip and hereafter metatag all the family's 1500 movies for our iTunes library. Once, I couldn't find the movie I was looking for, ...
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2answers
110 views

New DDR3 Memory for Mac Mini

I bought a Mini last year and I want to update the RAM. I was shopping around to find some compatible memory and found (this)from a Spanish retailer. They are selling what you see on the picture and ...
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2answers
310 views

Are number of desktops affecting memory?

I use 8 desktops on my MBP for my different apps. Do you know if it can affect memory use?
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1answer
670 views

Mac has become insanely slow : Processes SystemUIServer, UserEventAgent and loginwindow using a lot of memory

I have been using my Mac for for many months without any problem. But recently all of a sudden the Mac became insanely slow. I opened Activity Manager to see what was happening. For three processes ...
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6answers
23k views

Can I upgrade my MacBook mid 2010 to 16GB of RAM? (2x8G)

I bought a MacBook mid 2010 which I have upgraded to 8GB of RAM. But now, 8GB is not enough for me. I need more RAM for my work. Can I upgrade my MacBook's RAM to 16GB? I know the new Macbook Pros ...
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0answers
17 views

800 MHz DDR2 registers as 667 MHz

I upgraded my mid 2009 macbook 5,2 with two fresh DDR2 RAM, one 2 gig 800MHz and one 4 gig 800 MHz. When plugging these in one at a time they register nicely as running at 800, but both at the same ...
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2answers
3k views

Why is my Mac using so much memory?

When I got my Mac Mini with 4GB RAM I thought it would be enough, since on my Windows machines I never hit past 3GB – but I was wrong. So I ordered 16GB of RAM, but one of the sticks was bad, so I ...
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3answers
414 views

Increasing available RAM on Bootcamp under Win7

First the good news - I've successfully used WinClone/Sysprep to migrate a Windows 7 x32 bit VM from an old iMac (running 10.6.8) to a new late 2013 iMac w/ 32GB RAM / OSX 10.9.1. Now the bad news - ...
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2answers
1k views

What did I do wrong - Safari 6.0.5 on 10.8.4

... has recently taken a turn for the worse. Constant beach-balls, and after an hour's browsing, that damned Safari Web Content is running between 2 and 3GB, between real and virtual. If I leave tabs ...
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1answer
48 views

Macbook Pro (5.1 Model Late 2008) 16GB RAM upgrade

This question is to unmircea or anyone else who has upgraded ram in a Macbook (5.1 Model Late 2008)... where you able to run 16GB of ram in your 5.1 MacBook Pro (5.1 Model Late 2008) 8GB or regular ...
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1answer
3k views

Mountain Lion is slow in VMware 8

Mountain Lion works very slowly in VMware 8. XCode 4.5 is terribly slow. I tried the following things to speed things up: Installed VMware tools from darwin.iso provided with the vmdk file of ...
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1answer
128 views

Restoring iPhone as a new iPhone but backing up contacts

I have an iCloud account, but I am backing up via iTunes. I want to restore my iPhone because of the "other" files taking up a really huge portion of my phone's memory (2 GB and I have only ...
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1answer
1k views

Why does OS X use virtual memory when I still have free RAM?

I have this awesome MacBook Pro with 8 GB of RAM. When I open up Activity Monitor it would seem that I have plenty of RAM available, but my computer seems to prefer to use virtual memory for many ...
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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 ...
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1answer
69 views

How to find out which Safari tab is using massive memory?

As described in my other question, Safari on OS X 10.6. is causing me massive problems (with my way of working like having many tabs in Safari open for a long time). I just realized that after ...
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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 ...
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0answers
64 views

Reduce Maverick Memory Footprint

I'm using a macbook air 2014 with 8GB, also running Parallels a lot so wanted to reduce memory usage of OSX. Already disabled voice dictation that freed up around 500 mb. Any other tricks/tweaks?
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1answer
109 views

Is the CT3309352 Crucial memory the same as CT2K4G3S1067M?

I am trying to help my brother and sister in-law upgrade their 2.26 GHz Intel Core 2 Duo Mid 2009 MacBook Pro (MacBook Pro5,5) to Mavericks. The Mac is currently running Mac OS X 10.6.8 and has only ...
2
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1answer
209 views

Memory Upgrade: Planning to Use Different RAM Model

I'm considering upgrading to a total of 16GB RAM. Currently, I have 4GB. MacBook Pro: 13-inch, Late 2011 Memory 4 GB 1333 MHz DDR3 The problem: it appears the local resellers no longer have such ...
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1answer
162 views

How to improve old, slow iMac — new SSD? Or more RAM?

I have an old iMac for the kids: iMac 8,1 Core2 Duo with 3GB (2+1) RAM that was recently upgraded it to Mavericks 10.9 It's running quite slow; free RAM is always pretty low. Apps run "OK" once ...
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2answers
17 views

Others in Macintosh HD

How can I reduce the size of my HD folder? I have more than 22 GB in "others". It is actually using more memory than my documents and apps and does not show contents. I have deleted the main info in ...
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1answer
1k views

Can I use DDR3 1600MHz RAM in a Mac instead of 1067MHz?

I'm trying to get a 16 GB (2x of 8 GB) RAM to boost my computer, even though Apple says that it's only 8 GB on macs, but we know Apple is wrong on that. However, when I searched the online shopping ...
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3answers
13k views

What's the difference between Real, Virtual, Shared, and Private Memory?

The different columns in Activity Monitor are a little confusing
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6answers
28k views

Mavericks unusually high RAM usage

I thought Mavericks was suppose to utilize RAM memory better, thus run smoother. Running ML on Mac mini 2012, with 16GB RAM...always running smoothly even with over a dozen apps running. Now, after ...
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1answer
57 views

Can Apple Diagnostics be wrong about memory issue?

I am looking for a second opinion on an issue with my brand new iMac. I purchased a new iMac direct from Apple about 3-4 weeks ago, and initially everything was fine. However, in the last few weeks ...
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4answers
409 views

Installing two DDR3 SO-DIMMs as non-matched pairs in a MacBook

I've just upgraded my girlfriend's MacBook (I think it is a 2011 Model, one of the last white plastic ones) to Mavericks, and it has slowed down significantly. I'd like to upgrade the RAM on the ...
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2answers
107 views

OSX Mavericks using up RAM

I've had Mavericks installed for over a few months now, and the computer has slowly been degrading since then. Before I installed Mavericks, my computer ran fine; now it is always using up all 4 GB of ...
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3answers
4k views

MacBook freezes with three beeps

My Feb-2011 MacBook Pro hangs with three beeps. I noted the first strange thing a few days ago. The MacBook was in standby (as always) but very hot (not usual). I thought some process must have ...
2
votes
1answer
14 views

Does my 21.5 inch Late 209 iMac support mixing and matching memory modules?

I have looked at this question, and apparently my iMac does support mixing memory sizes. However, when I installed 2 4GB memory modules and 2 2GB memory modules, when I clicked  → About This Mac → ...
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2answers
57 views

Memory tester for Snow Leopard

Can somebody suggest a memory tester for Snow Leopard (10.8)? Command line or other doesn't matter, ideally something that doesn't have to be installed though (doesn't change the machine) and just ...
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1answer
41 views

MacBookPro Ram Frequency

i have a MacBookPro 5,5 (Intel Core 2 Duo 2,26GHz) with Snow Leopard. Actualy i've 2 ram block of 2GB (total 4GB) of DDR3 at 1067MHz. Now i'm buying 2 ram bloc of 8GB of DDR3 but at 1600MHz, could ...
2
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1answer
66 views

Installing and Upgrading Ram on a mid 2011 iMac (different size RAM)

Apologies for my ignorance here, as the title suggests I am looking for advice on upgrading the Ram on my mid 2011 iMac. I have bought 2x4GB and the iMac already has 2x2GB. I found the question was ...
2
votes
3answers
678 views

Would Upgrading to 16GB RAM be Beneficial?

I'm running on an i3 processor, 2010 model, 3.06 GHz. I'm currently have 4GB of RAM, but if I were to upgrade to 16GB, would: Applications open quicker? FPS increase in game? Overall performance ...
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1answer
81 views

How do I stop my external hard drive from using all my RAM?

I'm running OSX Mavericks, and have an external 500Gb HD connected via firewire. I have 24GB's of RAM, and fairly often my RAM usage will spike to 23.95 GBs in use and literally leave me with only 50 ...
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3answers
4k views

MacOSX cpu/mem monitor in system tray (menu bar)

I would like to monitor cpu/mem usage realtime with charts in MacOSX system tray (menu bar). Is there any utility that provide such functionality?
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4answers
4k views

How do I check my Mac's RAM?

I know there is MemTest86+ for PCs, but what can I use to see if my RAM is actually good in an Apple product? Whether it's a MacBook, MacBook Pro, iMac or Mac Pro? What symptoms would show that RAM is ...
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1answer
71 views

Memory test that fails with a different address each time

I had problems (strange patterns on the display and reboots) with my Late 2011 Macbook Pro, so I ran Apple Hardware Test on my computer, and it found memory errors. The thing is that every time I run ...
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2answers
88 views

How to test memory after memory upgrade?

I recently upgraded my macbook from 4G to 8G and wonder if there's a tool to test the quality of new memory. I found memtest 4.22 seems only test about 1G: $ memtest all 2 Memtest version 4.22 ...
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1answer
22 views

iMac mid 2011 RAM upgrade compatability

Is this RAM going to be compatible with a mid 2011 iMac 21.5"?