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Apple Computing Products:
macOS - Desktop Hardware
Reinstall OSX from external dvdrom
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<blockquote data-quote="kb2ehj" data-source="post: 985676" data-attributes="member: 135895"><p>stuarts,</p><p></p><p>The 'stop' symbol usually indicates a problem with the kernel is having problems loading and is probably something software related.</p><p></p><p>When did the problem start? had you done any software updates (apple or any other company)?</p><p></p><p>Try holding down the shift key while it powers on, this will attempt to start the mini in safe mode. If this works it might be a problem with one of the KEXT files. Let's see what happens here, we will continue with more pd steps after you report back on what happens here.</p><p></p><p>Guess mods didn't like the link since it said something bad even though it didn't have anything to do with the subject.</p><p></p><p>Here is a cut n' paste of what that page contained:</p><p></p><p>Kext file is a kernel extension. They’re generally used for device drivers and other things that need to modify the system at the lowest level. They’re not the same as classic Mac OS extensions, as many of the things that classic Mac OS extensions did are done differently in Mac OS X.Since kernel extensions aren’t protected by Mac OS X’s memory protection, developers are encouraged to stay away from writing them unless they absolutely have to. Even then, Mac OS X can dynamically load them, so chances are you’d rarely have to add anything to Mac OS X’s Extensions folder.</p><p></p><p>What is KEXT?</p><p>KEXT stands for Kernel Extension, this means that whatever needs to run in the kernel (OS core) environment can be written as extension and then loaded, even after the OSX has finished loading, this mostly answer the needs for hardware drivers.</p><p></p><p>Where are kext located?</p><p>kext are not files rather a folder (disguised as a file),</p><p></p><p>Leopard holds kext files/folders in the /System/Library/Extensions folder,</p><p>at boot time the relevant kext are uploaded from Extensions.mkext this is a cachefolder that contains kext related to the installed hardware,</p><p></p><p>you can delete it, if Leopard can’t find it, it will create it again,</p><p> </p><p></p><p>Mark</p><p>ACSP 10.5</p></blockquote><p></p>
[QUOTE="kb2ehj, post: 985676, member: 135895"] stuarts, The 'stop' symbol usually indicates a problem with the kernel is having problems loading and is probably something software related. When did the problem start? had you done any software updates (apple or any other company)? Try holding down the shift key while it powers on, this will attempt to start the mini in safe mode. If this works it might be a problem with one of the KEXT files. Let's see what happens here, we will continue with more pd steps after you report back on what happens here. Guess mods didn't like the link since it said something bad even though it didn't have anything to do with the subject. Here is a cut n' paste of what that page contained: Kext file is a kernel extension. They’re generally used for device drivers and other things that need to modify the system at the lowest level. They’re not the same as classic Mac OS extensions, as many of the things that classic Mac OS extensions did are done differently in Mac OS X.Since kernel extensions aren’t protected by Mac OS X’s memory protection, developers are encouraged to stay away from writing them unless they absolutely have to. Even then, Mac OS X can dynamically load them, so chances are you’d rarely have to add anything to Mac OS X’s Extensions folder. What is KEXT? KEXT stands for Kernel Extension, this means that whatever needs to run in the kernel (OS core) environment can be written as extension and then loaded, even after the OSX has finished loading, this mostly answer the needs for hardware drivers. Where are kext located? kext are not files rather a folder (disguised as a file), Leopard holds kext files/folders in the /System/Library/Extensions folder, at boot time the relevant kext are uploaded from Extensions.mkext this is a cachefolder that contains kext related to the installed hardware, you can delete it, if Leopard can’t find it, it will create it again, Mark ACSP 10.5 [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
Reinstall OSX from external dvdrom
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