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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iMac (mid 2010, 27") minimum ram slots required to fill

Can I use only two 8 GB RAM modules with my mid 2010 27" iMac (2.8 GHz Core I5)? In other words, do you have to fill all 4 memory slots or are 2 filled slots sufficient?
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2answers
26 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 ...
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0answers
14 views

How can I confirm that Dual Channel Tech is enabled? [duplicate]

I have updated DRAM to 16GB (8GB * 2). My new memory modules are Silicon Power's DDR3 204 Pin SO-DIMM DDR3 1600 PC3 12800 "SP016GBSTU160N22" modules. According to the specs of this memory, it can ...
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4answers
7k views

My iPad camera roll says it is using 7.5 gb after all pics have been deleted for weeks

Please help me. I have deleted apps and photos to get memory on my iPad, and it still says I have 0gb left. It has been a couple of weeks. All photos have been deleted from the 'recently deleted' ...
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2answers
5k 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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0answers
20 views

How can I back-up my OS X instance and Restore from mounted drive?

Synopsis I have been having trouble With my MacBook Pro (Mid '12, 15") I deployed tonnes of work Sunday evening/early hours Monday morning before I went to bed, leaving my MacBook running but ...
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1answer
193 views

macbook air mid 13 overheating

My set up is macbook air mid 13 with i7 processor and 8GB of ram running OS X Yosemite. Which is plenty for my use, at least it has been. I usually have no more than 3 apps running as notes, reminders ...
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1answer
68 views

memtest86(+) not working on MacBook Pro 8,3 17" 2011?

When i run memtest86 or memtest86+ on my MacBook Pro 8,3 2011 17" 2,5GHz the machine reboots after a few seconds. I tried 3 different pairs of ram modules. problem persists. I never had any issues ...
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0answers
14 views

Shareit improve my memory in 5s [closed]

I have 5s 16GB. And i install shareit the i transferred some file and deleted but memory is full. How to delete the files and improve the memory. And another issues is used Shareit vault and ...
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0answers
20 views

Is it feasible to mix different brands of RAM?

Based on my online research, I believe it is safe to assume that one can use two sticks of RAM that have different RAM sizes (2 gigabytes, 4 gigabytes, etc.). However, my Macbook Pro has been ...
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1answer
4k views

Can I put more than 8GB of Ram in a MacBook Pro 5.1

I have a 5.1 MacBook Pro (5.1 Model Late 2008) with 4GB of Ram. All the apple documentation I can find that the maximum supported for this model is 8GB of RAM (2 x 4GB). Has anyone tried to put bigger ...
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1answer
4k views

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

Can I add 16GB of RAM in my MacBook Pro (5.1 model, late 2008) running at 1333 DIMMs?
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0answers
11 views

Why could MBP be making slow churn after RAM update?

I recently upgraded my MBP Early 2011, 2.7 GHz Intel Core i7, RAM from 4GB to 8GB. I'm running Yosemite, so I figured this was a good decision. I've noticed that my MBP now is louder than it used to ...
2
votes
1answer
24 views

OS X displays weird pattern randomly freezes and shuts off

I recently upgraded an early 2011 MacBook Pro, installed 2 new Kingston SSDs and two new 4 GB RAM sticks (unsure of brand, and I think what may be causing the issues, but wanted to get a second ...
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0answers
41 views

Beachball of death, login screen and kernel_task issues

I have an issue with a 2 week old MBP 13 (early 2015). Here is 3 things I'm worrying about: Beachball of death. It is appeared 2 or 3 times (once when Chrome and Atom were open and once after 10 ...
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0answers
59 views

How to disable Swapfile in OS X El Capitan

I've tried these commands in OS X El Capitan, but it doesn't work: $ sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.dynamic_pager.plist $ sudo rm /private/var/vm/swapfile* $ ...
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3answers
2k views

Macbook pro doesn't want to start, “no RAM installed” beeps (1 every 5 seconds)

hello everyone, i have a problem with my Macbook Pro :( Everything was working fine until yesterday. But i can't start it anymore, a "beep" tone appeared, once every 5 seconds. According to the ...
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7answers
15k views

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

I would like to monitor CPU and memore usage in realtime with charts on a Mac OS X system tray (menu bar). Is there a utility that provides such functionality?
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1answer
19k views

How to investigate high kernel task memory usage?

I was using my MBP (with 16GB of RAM) as usual and out of blue I've this popup that: Your system has run out of application memory. To avoid problems with your computer, quit any applications ...
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0answers
3k views

iOS 8: Prevent Safari Mobile from reloading tabs by default

When switching between tabs in Safari Mobile -- Even within a few seconds -- Safari will automatically reload the tab. This will happen more frequently between sessions: Switching between Safari ...
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1answer
24 views

How to automat the selection of usb disk based on size

I am trying to automate a process where teachers delete content on memory sticks with different name then put the right content back (same each time) and rename the memory stick to UDISK. I want to ...
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3answers
6k views

Will upgrading to 4GB RAM on a white MacBook work?

I've seen discussions about upgrading memory but it was only for the MacBook Pro. I have a white 13" MacBook with 2GB memory, I'm considering about upgrading the memory to 4GB. Is it possible to ...
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0answers
517 views

How is the Y value for the Memory Pressure graph in Activity Monitor calculated?

How is vm.memory_pressure's value bounded / calculated on OS X 10.10.2 - Yosemite? I've researched several answers to this question and am trying a few things on the command line to get exact values ...
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2answers
1k views

MacBookPro crashed with pixel disturbed screen and 3beeps

I have MacBook Pro 15-inch, Early 2011 Processor 2 GHz Intel Core i7 Memory 8 GB 1333 MHz DDR3 Once a week it crashed with beep sound ( 3 times ) beep - beep - beep Then pixel in the display ...
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0answers
23 views

iTunes audio cuts out at random times when listening to music

This has been an ongoing problem for over a year now. When listening to music in iTunes, something is causing the audio to cut out for a second or two at seemingly random moments. I never stream ...
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1answer
29 views

Upgrading Ram on macbook pro mid 2010

Hello, I would like to upgrade my macbook pro mid 2010's ram so it could run faster. I'm going to be a student next year so i'd like to lower the costs as much as I can. what would be the maximum ...
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0answers
18 views

Which is better: 8GB or 8GB + 2GB RAM (Macbook7.1 mid-2010) Pros and cons?

So I have two sticks of RAM memory, PC3-8500, 1066MHz: 8GB and a 2GB stick. Is it better to have both of them inside or maybe I should put out the 2GB one in case it will slow things down? I ask this ...
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10answers
38k views

Can I use 16GB DDR3-1600MHz RAM in an early Macbook Pro 8.2?

I found Macs which had: 16GB RAM installed 8GB RAM installed, but running on 1600MHz instead of 1333MHz (link in dutch) Question Is it possible to put 16GB running at 1600MHz in my Mac? If ...
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2answers
50 views

Can I upgrade RAM to 16GB on MacBook Pro 17" i7 2.66 GHz?

When I checked it on System, it says 8 GB RAM. But I wonder, if I put 16 GB of RAM in the two slots of my MacBook (2 8GB sticks) will it work?
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2answers
264 views
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2answers
34 views

Why is Finder listed as using more RAM (24 gb) than is on my machine? Bug?

Activity monitor shows finder using ~24 gb of RAM (screenshot below), when my machine only has 16 gb installed. I figure this has to be a bug because "Memory Used" only shows 9.62 gb, and I'm not ...
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9 views

OS X swapping with free memory available?

I've noticed my machine keeps swapping memory even though there is (at this moment) around 7 GB of RAM still free; does anyone have any insights on why this is happening, if I should care, and if so, ...
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1answer
28 views

Where to view app memory usage in iPod Touch?

On my iPod Touch I cannot find where to view app static memory usage (not RAM). Googled articles point to Settings -> General -> Usage. But Usage is not an option within the General section - ...
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2answers
14k views

What are the differences between SDRAM and SO-DIMM RAM, and which should I use for my iMac?

I've started virtualizing Windows 7 on my Mac and I've realized 4GB of ram simply isn't enough for listening to music, surfing the web, virtualizing Windows, and running a compiler all at once. The ...
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6answers
46k 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 ...
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0answers
16 views

Prevent iOS from closing background app [duplicate]

I use an app called "GPS Tracks" to track my movements throughout the day with my iPhone 6 on iOS 9.2.1. The app often shuts down while it is actively recording in the background, which the developer ...
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0answers
61 views

CommCenter (from CoreTelephony.framework) is eating 600+ MB of my RAM, why do I even need it?

I'm talking about a MacBook laptop, running OS X 10.11.3. As far as I understand, CoreTelephony.framework is about cellular networks, so it might be useful on phones, for example. But the laptop ...
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0answers
11 views

MacBook Pro Distorted Video, Loud Beeping, Really Hot

This almost always happens within a few minutes of starting the Sims 4, or watching Netflix. The computer gets hot (I guess is normal for an intensive game), and eventually the screen gets distorted ...
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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 ...
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1answer
116 views

Where does iPhone store information about current battery percentage?

I wonder how is it exactly with the calculation of the battery percentage: from 100% down the software calculates which resources were used and for how long and thus it approximates the current ...
14
votes
1answer
8k views

vm_compressor_mode (vm.compressor_mode) values for enabled compressed memory in OS X

Background In Super user, with an accepted answer: Disable compressed memory in Mac OS 10.9 Mavericks? Also in Super User: how to get memory compress back in Mac OS 10.9 Mavericks? – and ...
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4answers
4k views

Troubleshooting a slow Mac - OSX 10.9.5

My 2012 MacBook Pro 15", OS X 10.9.5, 2.6GHz i7, 16gb ram, 750gb hdd, has been acting very slow recently. Starting up takes a long time, not only for the login screen to show (if starting up from ...
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0answers
152 views

OS X restart with a Panic Report

I have worked in an environment inside VirtualBox on latest El Capitan OS X on MacBook Pro (Early 2015 13" 16GB RAM). Working with latest Vagrant (v1.8.1) and latest VirtualBox (v5.0.16) installed on ...
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2answers
189 views

The Storage “Used” does not add up

I have iPhone 6s 64GB. I got 64GB because 16GB just wasn't cutting it. I didn't want to worry about memory being full. However last night out of nowhere, I got the message saying my storage is almost ...
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1answer
76 views

MacBook Pro kernel panic report

My MacBook just restarted automatically. After the restart I got this error report: Anonymous UUID: 19FD699B-743D-2134-13B8-F9C25C3897D7 Sun Mar 6 13:26:32 2016 *** Panic Report *** ...
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1answer
13k views

Why does Apple recommend a 2TB FD over a 1TB Fusion Drive for iMacs with 32GB of memory?

Under the 'Choose Storage' section on Apple's iMac configuration page there is a blue link titled 'How much storage is right for you? (Choose Storage) '. In that dialog it says: For the best ...
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0answers
57 views

Mac Freeze and Screen Goes Weird After RAM Upgrade

I've a MacBook Pro. I upgraded it's RAMs to 16 GB of 1600MHz(two 8 GB modules). Even though Apple suggests a maximum of 8GB, everymac.com's tests yield that it supports 16GB. And it did. After the ...
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1answer
35 views

How to resume OS X apps that have been suspended by the system

I often run into the situation where the OS will suspend some of my apps because of low memory. If I am lucky, a window will appear that allows me to select which apps I want to quit and which apps I ...
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0answers
58 views

Force Google Chrome use single process

Across the internet I found an interesting solution of how to make Chrome consume less memory and this is - forcing the application use single process for all the tabs. Unfortunately the instruction ...
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4answers
7k views

Can a RAM module not be compatible with Macs?

There are DDR3 RAM modules sold on Amazon (branded by KomputerBay) where it is specified that they are "PC only" and not for Mac. They cost around £41.99 ($68). The same company has modules with the ...