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Mac 101: Running the Apple Hardware Test software

Is your Mac acting funny? If so, you can use the install disks that came with your machine to test your hardware. To use Apple's Hardware Test (AHT), insert install disk #1 and reboot your Mac while holding down the "d" key on the keyboard (Intel machines only).

The AHT software will load and ask for your language -- choose your correct language and click the arrow. From the main menu you can click the "Hardware-Tests" tab. Two tests are available: standard and extended. The standard hardware test will allow you to do a quick, 1-3 minute test of the memory and logic board, while the extended test will run an hour-long test of your system. You can get to the extended test by clicking either a button or check box (this depends on your AHT software version).

Want to see more tips and tricks like this? Check out TUAW's Mac 101 section.

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Hardware Mac 101

Is your Mac acting funny? If so, you can use the install disks that came with your machine to test your hardware. To use Apple's Hardware...