Solve Problems
Mac Tip #212/14-September-2005
Whether you’re running Mac OS X or OS 9 your Mac may sometimes exhibit strange behaviour. To get up and running again without tearing your hair out here are some ways you can approach the problem before calling in costly help.
Loose cables
Some problems are caused by loose cables. First look at all cables plugged into whatever equipment you’re using (eg computer, monitor, printer) and check they are firmly plugged in. Follow each cable to its other end and check that end is firm too. Make sure that cables aren’t stretched — move items of equipment closer together if the cable only just reaches, or buy a cable extender. Stretched cables can easily work loose.
Also make sure cables are plugged into the correct port.
While you’re delving round behind the computer make sure that all relevant power switches are actually turned on. Sometimes the actual power point is not working correctly. You may find it useful to plug your equipment into a different outlet.
Example: I recently gave a presentation involving a projector. The projector went off after being moved across the table. We eventually found the power strip we were using had one or more loose outlets and the projector worked fine when we plugged it in to a different power point.
Low batteries
Some equipment these days is battery powered, such as Bluetooth keyboards and mice. Check the batteries are correctly inserted and also try using fresh batteries.
Physical obstructions
Items on or around the computer can cause erratic behaviour. My cats often lie on my lap in front of my Powerbook’s keyboard and ‘mouse’ button. They sometimes click the button or move the cursor when I’m not looking. Similarly a book may be touching the keyboard or pulling a cable loose.
Clear away anything that might be touching or blocking your equipment.
A starting point
While there are plenty of problems that are caused by software glitches or actual hardware malfunctions it’s surprising how often loose cables, incorrectly plugged in cables and faulty power points are to blame. It’s free to try the above procedures and they just might solve a problem you’re having.
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