Apr 10


When your computer is running a bit slowly, how can you tell if getting more memory will help?

If you run out of free memory then your computer will be forced to use some of your hard disk as memory, which is VERY SLOW because hard drives are much slower to access than your computer’s RAM.  Here’s how to check that you have enough RAM to stop this happening on any Macintosh running OS X.  Continue reading ⟩

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Mar 03

seagate 2


Seagate make two external USB drives.  The Seagate Backup Plus and the Seagate Expansion.  They are both USB 3 compatible.  They both come with a three-year warranty in Australia, although in the USA the expansion only has a 1 year warranty.  The Backup Plus model costs $20 more.  A lot of reviewers say that the backup plus is more reliable (e.g. this one). But is there any difference?   I pulled them apart to see!

Continue reading ⟩

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Jan 28


The Apple  24 inch LED Cinema display  and the Apple thunderbolt display have been a  source of frustration for many people.   They flickers, go black, the screens gets garbage on them, the fans turn on and off.   After reading lots of forums and trying various things I have practically completely eliminated all the flickering on my  24 inch LED Cinema display,  here is how. Continue reading ⟩

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Dec 29


One of the features I use regularly in the display settings of OS X is the adjustment of the gamma setting of my monitor.  This is useful because it can lighten up dark movies when you are watching them on your Mac.  The gamma setting is only available in the “expert” mode of display settings which has disappeared in El Capitan.  Thankfully  expert mode is still there, it’s just hidden.  To get into expert mode on El Capitan hold down the option key when you select ‘Calibrate…’  in display settings. Continue reading ⟩

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Dec 23


Last week I had a hard disk crash.  If you’ve had a hard disk crash you may know it can take a day or two to get things up and running again, a day or two that I didn’t have.  I was flat our trying to get away on holidays before Christmas. Thankfully, I have a Promise Pegasus RAID array, and I can’t believe how great it was. I was up and running again in 30 seconds – I kid you not!  This article describes how it works for those who might be interested.

Continue reading ⟩

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Mar 08


You may not know that USB Thumbdrives come in different formats. This article explains why this matters and how to format a USB drive into the format that you want.

Continue reading ⟩

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Oct 27

Celestron Digital Microscope Imager

We recently moved to a small farm and we have been looking at our soil biology under a microscope. It was hard to see clearly so we bought a ‘Celestron’ Microscope camera (model #44421)  from Amazon for about $40. The packet doesn’t specify that it works with Apple computers, but it does and is very simple to use. It plugs into the usb port on your computer, and the camera replaces the eyepiece on the microscope. It doesn’t need any drivers or extra software. Read on to find out how we set it up.

Continue reading ⟩

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Sep 09



After much speculation the Apple Watch was released today and…  it’s a watch! Continue reading ⟩

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