Mac OS X system requirements

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(This page last updated 24 May 2016.)

OS X El Capitan 10.11 / OS X Yosemite 10.10 / OS X Mavericks 10.9 / OS X Mountain Lion 10.8

  • One of the following Mac computers:

–iMac (Mid 2007 or newer)
–MacBook (Late 2008 Aluminium, or Early 2009 or newer)
–MacBook Pro (Mid/Late 2007 or newer)
–MacBook Air (Late 2008 or newer)
–Mac mini (Early 2009 or newer)
–Mac Pro (Early 2008 or newer)
–Xserve (Early 2009)

  • Mac OS X 10.6.8 or later with the Mac App Store
  • 2 GB of memory
  • 8 GB of hard drive space

Note that some features require newer Macs than those listed.

Mac OS X Lion 10.7

 

OS X El Capitan

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The latest version of OS X, El Capitan 10.11, will be available for free download in the Mac App Store from 30 September 2015. System requirements are identical to those for OS X Mountain Lion 10.8, Mavericks 10.9 and Yosemite 10.10, so if your Mac is running one of these, it will also run El Capitan.

System requirements

  • One of the following Mac computers:

–iMac (Mid 2007 or newer)
–MacBook (Late 2008 Aluminium, or Early 2009 or newer)
–MacBook Pro (Mid/Late 2007 or newer)
–MacBook Air (Late 2008 or newer)
–Mac mini (Early 2009 or newer)
–Mac Pro (Early 2008 or newer)
–Xserve (Early 2009)

  • Mac OS X 10.6.8 or later with the Mac App Store
  • 2 GB of memory
  • 8 GB of hard drive space
 

Quick security tips

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A quick reminder of the minimum things that you should consider in order to protect your e-data.

Tip 1: Never leave home with an iOS device unpasscoded.

Tip 2: On your iOS device, in iCloud mail, make sure ‘Find My iPhone’ is enabled. At iCloud.com you can discover the location of your device and lock or erase it remotely (so long as it’s online).

Tip 3: Use a password manager such as 1Password so you only have to remember one ‘super’ password to access all your others. Works on iPhones, iPads and Macs, and allows you to use a different, long and complex password for each site.

Tip 4: Lock down your social media accounts so only your friends can see what you share.

Tip 5: Never post personal information on public sites such as Twitter.

Tip 6: Sooner or later, the data in your online accounts is going to be compromised because, as we have seen many times in recent years, most companies are either complacent or incompetent when it comes to security. Therefore, try to keep the personal information in these accounts to the bare minimum.

That a start, anyway.

 

Calendar: events unexpectedly revert to ‘New Event’

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New Event Reverted Title

Due to a bug in Calendar, when a newly added event is titled and then switched to another calendar, within a few moments, the event unexpectedly reverts back to the default title of ‘New Event.’ And, if the event is spread across multiple days, it will revert back to being a one-day event. If you don’t spot this and correct it, you end up with a bunch of events called ‘New Event’ and find yourself wondering what on earth it is that you’re supposed to be doing at, say, 2pm this afternoon!

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Normally, when viewing Google search results with Safari, links to sites not yet visited are blue, while links to sites already visited are purple. Sometimes, however, links to  visited sites remain blue even after they’ve been clicked, making it impossible to tell which sites you’ve visited and which you haven’t.

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Search your Day One journal with Spotlight

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Day One by Bloom Built, Inc. is a cool journal/diary app for Mac, iPad and iPhone with lots of uses. It automatically syncs entries across your devices, so add some notes, a few photos while out and about with your iPhone, and they’ll be there on your Mac when you get back home.

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Repairing Razer Kraken USB headset

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Headset

This post looks at some common issues with the Razer Kraken USB Surround Sound Gaming Headset and how to repair them.

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Time Machine verification of network backup failed

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Time Machine Verification Failed

‘Time Machine completed a verification of your backups on “xxxx”. To improve reliability, Time Machine must create a new backup for you.’

If you use an network-connected Time Machine-compatible hard drive for backing up, at some point the above message may appear. The long and short of it is that Time Machine has discovered an error with your backup and your only option is to replace it with a new one, something that may, depending on the size of your backup, take many hours to do.

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OS X Yosemite

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The latest version of OS X, Yosemite 10.10, is now available for free download from the Mac App Store. System requirements are identical to those for OS X Mountain Lion 10.8 and Mavericks 10.9.

System requirements

  • One of the following Mac computers:

–iMac (Mid 2007 or newer)
–MacBook (Late 2008 Aluminium, or Early 2009 or newer)
–MacBook Pro (Mid/Late 2007 or newer)
–MacBook Air (Late 2008 or newer)
–Mac mini (Early 2009 or newer)
–Mac Pro (Early 2008 or newer)
–Xserve (Early 2009)

  • Mac OS X 10.6.8 or later with the Mac App Store
  • 2 GB of memory
  • 8 GB of hard drive space
 

Windows XP End of Support

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Windows XP End of Support Message

If you use Windows XP, you may have seen this message recently. This is a genuine message from Microsoft, not, as some users have feared, a malware popup!

Microsoft ended support for Windows XP (Service Pack 3) on 8 April, so for millions of users around the world there will be no more security updates, fixes for yet to be discovered security vulnerabilities.

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New Sky+HD EPG Backup button operation

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Sky+HD New EPG - Home

Sky recently updated its Sky+HD EPG (electronic program guide) to provide greater exposure to its Catch Up TV, TV Box Sets, New Series and Sky Store features.

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