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1

You should see if Apple Diagnostics finds anything wrong with your RAM. Turn off your computer, disconnect any external peripherals you have, press the power button to turn your computer on, and immediately hold down D until Apple Diagnostics begins.


1

Apple MacBook Pro "Core i7" 2.4 15" Late 2011 Standard RAM: 4 GB Maximum RAM: 16 GB* Details: 4 GB of RAM is installed as two 2 GB modules, no slots free. *Apple officially supports a maximum of 8 GB of RAM, but third-parties have determined that this model actually is capable of using up to 16 GB of RAM with two 8 GB memory modules. Speed: ...


0

Internally there is 64 bit addressing. Externally, this would mean 64 wires on the logic board. But, there is no point in having more wires than needed. So the actual number of wires is equal to the the maximum amount of memory the computer is designed to handle. You can not add memory. There are no additional wires to solder the memory to.


0

Most new memory uses low voltage 1.2v. Mac before 2013 is still using 1.5V. Your mid 2010 macbook will not be able to support the 1.2V. Issue is not with the speed


-1

RAM: Look in OWC to se if replacement memory for your MBA. If so you will find instructions on how to change it. SSD: same as before, for some models they have replacement SSD.


2

Sizing RAM and HD space is always been "get more than you think you need and all that you can afford." but realistically 8GB should work (like FFrewin indicates in excellent detail) but depends on your usage patterns. So it's really hard to answer. "Mr Lincoln, how long should a Man's legs be?" "Long enough to reach from his body to the ground"


6

According to Visual Studio's system requirements, it requires 1.5GB when in VM. Usually you will assign a max of 4GB on the windows VM which should be sufficient for a satisfactory operation of Windows inside the VM with the Visual Studio. In this case there will be 4GB left for the hosting OS. Which usually is again adequate. Also, Yosemite does a ...


0

It runs parallels absolutely fine, I use it to run autodesk design review on external monitor whilst having Mac running excel on macbook screen, no issues and very pleased that it can do it as well as my 16Gb Ram quad core MBPro.


1

From what I found, it was after all the RAM. I took out both chips again and used compressed air to thoroughly clean the areas involved. After that, it seemed to work. Of course, it could be that I hadn't had the chips in properly previously, as opposed to dust.


4

This is not Apple specific at all. First, why is ECC (72-bit) used over parity? The reason is simply that DRAM chips have been made in data widths of 4, 8 or 16 bits for decades. ECC lets you simply add another commodity chip, instead of making a specific low-volume 5 bit chip. Besides, when you have parity, you can't correct any error, so all you can do is ...


1

Every iMac from the mid-2007 release onwards can run Yosemite, and the last model that couldn't could also only address 3GB of RAM. So it's almost certain that your iMac will be able to run Yosemite.


1

Are you running on OSX Yosemite? There were some changes that allow the OS and by extension Safari to make use of your computers whole amount of RAM, the mantra being that unused RAM is being wasted. Not too sure what it means for a low RAM system, I would assume that apps would unload some data from the RAM when it is nearing full. Keep in mind that ...


-1

Apple fixed this problem in the Yosemite 10.10.3 update. Image Capture Extension no longer has the memory leak.


-7

maybe a bit late maybe, but I have developed an app that helps to visualize RAM usage on your mac, as well as other stuff www.nomasoftwares.com


3

This is normal behavior. You are not experiencing any memory issues in your screenshot above. What I suspect is happening is that OS X is creating some placeholder of sorts to enable swap memory, rather than actually using swap memory here. I have never seen a zero in the swap memory section, unless I have just restarted and open the Activity Monitor window ...


2

Your Mac runs on Unix ( certified Single Unix Specification 2003 ), and that OS has been around for 40+ years. Core components (like memory management) are written, updated, debugged and polished by people who are definitive experts in the field. Apple, with more cash on hand than the US Treasury, can afford to hire the absolute best. So, unless you have at ...


0

You would need to be monitoring the memory and swap usage as the swap file was created to have a chance to understand why the swap was created. Based on what you describe in text and in the screen shot, I see nothing that is concerning. As to why swap was created when you assume you had free RAM. The OS can move to swap based on predictive measures. For ...


1

According to what I can understand from your screenshot (I don't know your language), you're only using 256KB of swap space, which is nothing. I wouln't worry unless your memory pressure went up


0

Personally, I wouldn't risk buying anything that is not explicitly supported. You may run into problems in the long term if the memory modules draw too much power or are too fast/slow. You may want to check corsair.com/en-us/…, a 2x8GB memory module pack with 11-11-11-30 CAS timing (that is, CL=11, as Apple recommends). Corsair states that their "memory ...


0

Setting aside any concerns that you won't realize much gain - just buy the RAM from a vendor that will back up the use you intend and/or offer pre-sales assistance to ensure you don't need to return product that works fine but is installed in the wrong Mac. I can't vouch for that particular model, but the Mac logic boards are now easily identified by ...


0

First off, please make sure the podcast is canceled to subscribe. And then you can right click the podcast and delete it. You can't delete them from your iphone straight if you disabled manuall use. Just delete iPhone podcast from the itunes.


1

I believe that when you "optimised" your photos, you have uploaded them to your iCloud account, and what you have now on the device is a low resolution copy and so has saved some storage space on your device. When you click on it, it re-downloads the original from iCloud, and the pacman you see is the indicator that the original is being downloaded.


1

Yes. Some applications won't allow you to install them on drives that don't contain an OS X installation, however there are often ways to do it manually post-installation if that is the configuration you wish. Some applications will indeed do some writing to the internal SSD, since presumably that's where OS X is installed. The Library folders for example ...


0

1) Yes. Some applications may require that there be an operating system present on the the external drive, however. 2/3) Entirely depend upon whether you are booting from the external SSD (in which case an OS must be installed). If so, then all R/W operations will occur on the external drive. No I/O activity will occur on the internal drive unless you ...



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