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Apple Computing Products:
macOS - Operating System
Please save my Macbook
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<blockquote data-quote="MacHeadCase" data-source="post: 438588"><p>The question mark at startup means the Mac can't find a valid system from which to start from. In your case,I would guess it means something was corrupted in your system and it is looking for the startup volume elsewhere than on the internal hard drive. A few things to try (re-installing OS X is rarely needed, there are other things to try first).</p><p></p><p>If you have DiskWarrior now would be the time to use it, it does wonders in times of crisis like these.</p><p></p><p>Have you tried starting up holding down the <em>Option</em> key? This will force the Mac to look everywhere for the startup volume.</p><p></p><p>You could also try <a href="http://docs.info.apple.com/article.html?artnum=2238" target="_blank"><strong>Resetting your Mac's PRAM and NVRAM</strong></a>.</p><p></p><p>Starting up in <a href="http://docs.info.apple.com/article.html?artnum=107393" target="_blank"><strong>Safe Mode</strong></a> cleans out some of the doohdooh in the system.</p><p></p><p>Insert the DVD install disk in your optical drive and boot from it, holding down the <em>C</em> key and run Apple's Disk Utility on your hard drive.</p><p></p><p><a href="http://docs.info.apple.com/article.html?artnum=303319" target="_blank"><strong>Resetting MacBook and MacBook Pro System Management Controller (SMC)</strong></a>.</p><p></p><p>To rule out a hardware problem, you could try booting off of your first DVD install disk, holding down the <em>D</em> key and run the Hardware Test in Extended Mode.</p></blockquote><p></p>
[QUOTE="MacHeadCase, post: 438588"] The question mark at startup means the Mac can't find a valid system from which to start from. In your case,I would guess it means something was corrupted in your system and it is looking for the startup volume elsewhere than on the internal hard drive. A few things to try (re-installing OS X is rarely needed, there are other things to try first). If you have DiskWarrior now would be the time to use it, it does wonders in times of crisis like these. Have you tried starting up holding down the [I]Option[/I] key? This will force the Mac to look everywhere for the startup volume. You could also try [URL="http://docs.info.apple.com/article.html?artnum=2238"][B]Resetting your Mac's PRAM and NVRAM[/B][/URL]. Starting up in [URL="http://docs.info.apple.com/article.html?artnum=107393"][B]Safe Mode[/B][/URL] cleans out some of the doohdooh in the system. Insert the DVD install disk in your optical drive and boot from it, holding down the [I]C[/I] key and run Apple's Disk Utility on your hard drive. [URL="http://docs.info.apple.com/article.html?artnum=303319"][B]Resetting MacBook and MacBook Pro System Management Controller (SMC)[/B][/URL]. To rule out a hardware problem, you could try booting off of your first DVD install disk, holding down the [I]D[/I] key and run the Hardware Test in Extended Mode. [/QUOTE]
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Apple Computing Products:
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Please save my Macbook
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