Ap­ple Di­ag­nos­tics

Mac Format - - FEATURE -

If you sus­pect your Mac has a hard­ware prob­lem, use its built-in di­ag­nos­tics to check. Shut it down and dis­con­nect ev­ery­thing ex­cept power, mouse, key­board, dis­play and net­work. Power on and hold

D till you see a lan­guage se­lec­tion screen. Ap­ple Di­ag­nos­tics takes a few min­utes to test for is­sues. See ‘Learn more’ at bit.ly/ap­pldiag for ex­tra tips.

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