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Apple Computing Products:
macOS - Notebook Hardware
Macbook Pro strating problem
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<blockquote data-quote="JUKE179r" data-source="post: 1036977" data-attributes="member: 129964"><p>Try and boot it in "Safe Mode".</p><p>On restart, hold the Shift key as your Mac starts up and troubleshoot from there.</p><p><a href="http://support.apple.com/kb/ht1564" target="_blank">http://support.apple.com/kb/ht1564</a></p><p></p><p>Or try these that I found on Google...</p><p>- Insert the the Mac OS X CD and hold the "C" key while powering on your computer to boot from the disc and not the computer's internal drive. Run Disc Utility from the CD to diagnose and attempt to repair some hardware problems. You can also erase the hard disc and reinstall OS X with this method, although you won't have a chance to back up your data.</p><p></p><p>- Reset the power management unit by disconnecting the power cord from the back of your computer. Wait 2 minutes before reconnecting the cord and turning on your computer. Laptops and older computers have different procedures for resetting the PMU, which you can get from Apple's website.</p><p></p><p>- Drain the logic board's battery on your Mac. Disconnect the battery (for a laptop) and the power adapter, then press the power switch and let the computer sit for about 25 minutes before reconnecting and booting it. This step forces the computer to reset its logic board and all other components that use the backup electrical charge.</p><p></p><p>- Open your computer and remove any RAM upgrades that you've installed. See whether the computer starts up without the extra memory. Incompatible or incorrectly installed memory can make your computer unresponsive.</p></blockquote><p></p>
[QUOTE="JUKE179r, post: 1036977, member: 129964"] Try and boot it in "Safe Mode". On restart, hold the Shift key as your Mac starts up and troubleshoot from there. [URL="http://support.apple.com/kb/ht1564"]http://support.apple.com/kb/ht1564[/URL] Or try these that I found on Google... - Insert the the Mac OS X CD and hold the "C" key while powering on your computer to boot from the disc and not the computer's internal drive. Run Disc Utility from the CD to diagnose and attempt to repair some hardware problems. You can also erase the hard disc and reinstall OS X with this method, although you won't have a chance to back up your data. - Reset the power management unit by disconnecting the power cord from the back of your computer. Wait 2 minutes before reconnecting the cord and turning on your computer. Laptops and older computers have different procedures for resetting the PMU, which you can get from Apple's website. - Drain the logic board's battery on your Mac. Disconnect the battery (for a laptop) and the power adapter, then press the power switch and let the computer sit for about 25 minutes before reconnecting and booting it. This step forces the computer to reset its logic board and all other components that use the backup electrical charge. - Open your computer and remove any RAM upgrades that you've installed. See whether the computer starts up without the extra memory. Incompatible or incorrectly installed memory can make your computer unresponsive. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
Macbook Pro strating problem
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