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Apple Computing Products:
macOS - Desktop Hardware
iMac: Won't get passed white screen
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<blockquote data-quote="fletch33" data-source="post: 791684" data-attributes="member: 32473"><p>1. hold the power down for 10 seconds</p><p>2. power back on while holding down P, R, CMD, and ALT until you hear the second apple chime sound</p><p></p><p>if that doesn't work then</p><p></p><p></p><p>From the Apple menu, choose Shut Down (or if the computer is not responding, hold the power button until it turns off).</p><p>Unplug all cables from the computer, including the power cord and any display cables.</p><p>Wait at least 15 seconds.</p><p>Plug the power cord back in, making sure the power button is not being pressed at the time. Then reconnect your keyboard and mouse to the computer.</p><p>Press the power button on the back to start up your computer.</p></blockquote><p></p>
[QUOTE="fletch33, post: 791684, member: 32473"] 1. hold the power down for 10 seconds 2. power back on while holding down P, R, CMD, and ALT until you hear the second apple chime sound if that doesn't work then From the Apple menu, choose Shut Down (or if the computer is not responding, hold the power button until it turns off). Unplug all cables from the computer, including the power cord and any display cables. Wait at least 15 seconds. Plug the power cord back in, making sure the power button is not being pressed at the time. Then reconnect your keyboard and mouse to the computer. Press the power button on the back to start up your computer. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
iMac: Won't get passed white screen
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