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Apple Computing Products:
macOS - Notebook Hardware
"Cleaning" a MBP
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<blockquote data-quote="IWT" data-source="post: 1723599" data-attributes="member: 83420"><p>Hi again, Uwe,</p><p></p><p>It all depends on what you want to do.</p><p></p><p>Open Disk Utility (DU).</p><p></p><p>As you've seen, it lists all Mounted Drives on the left side. This will include your Hard Disk Drive (HDD), shown as Macintosh HD. Your screenshot demonstrates the space taken up by Apps, Photos and so on. It tells us that you have 132GB free (unused) on your HDD out of a capacity of 250GB.</p><p></p><p>Now, if you mounted another Drive, say an External HD. And say it's brand new and to be used for backup (BU) - a very essential requirement for all Mac users.</p><p></p><p>If you click on the EHD to highlight it, you can then click on "Erase" (2 along from First Aid). When you do that, you can format the EHD (you should choose OS X Extended (Journaled) from the options. You can partition the EHD if you so desire. You can unmount it from here. Run First Aid on the EHD.</p><p></p><p>You could use DU to create a disk image (dmg). There is more.</p><p></p><p>To give you a real flavour of what DU can do, in much more detail, and with pictures to help, have a read at these:</p><p></p><p><a href="http://www.macworld.co.uk/feature/mac-software/el-capitan-disk-utility-3634604/" target="_blank">http://www.macworld.co.uk/feature/mac-software/el-capitan-disk-utility-3634604/</a></p><p><a href="http://computers.tutsplus.com/tutorials/what-is-disk-utility-the-complete-beginners-guide--mac-27965" target="_blank">http://computers.tutsplus.com/tutorials/what-is-disk-utility-the-complete-beginners-guide--mac-27965</a></p><p><a href="http://www.howtogeek.com/212836/how-to-use-your-macs-disk-utility-to-partition-wipe-repair-restore-and-copy-drives/" target="_blank">http://www.howtogeek.com/212836/how-to-use-your-macs-disk-utility-to-partition-wipe-repair-restore-and-copy-drives/</a></p><p></p><p>Ian</p><p></p><p>PS Some functions of DU have changed over time. That's why I've given you references that span the years up to and including El Capitan.</p></blockquote><p></p>
[QUOTE="IWT, post: 1723599, member: 83420"] Hi again, Uwe, It all depends on what you want to do. Open Disk Utility (DU). As you've seen, it lists all Mounted Drives on the left side. This will include your Hard Disk Drive (HDD), shown as Macintosh HD. Your screenshot demonstrates the space taken up by Apps, Photos and so on. It tells us that you have 132GB free (unused) on your HDD out of a capacity of 250GB. Now, if you mounted another Drive, say an External HD. And say it's brand new and to be used for backup (BU) - a very essential requirement for all Mac users. If you click on the EHD to highlight it, you can then click on "Erase" (2 along from First Aid). When you do that, you can format the EHD (you should choose OS X Extended (Journaled) from the options. You can partition the EHD if you so desire. You can unmount it from here. Run First Aid on the EHD. You could use DU to create a disk image (dmg). There is more. To give you a real flavour of what DU can do, in much more detail, and with pictures to help, have a read at these: [url]http://www.macworld.co.uk/feature/mac-software/el-capitan-disk-utility-3634604/[/url] [url]http://computers.tutsplus.com/tutorials/what-is-disk-utility-the-complete-beginners-guide--mac-27965[/url] [url]http://www.howtogeek.com/212836/how-to-use-your-macs-disk-utility-to-partition-wipe-repair-restore-and-copy-drives/[/url] Ian PS Some functions of DU have changed over time. That's why I've given you references that span the years up to and including El Capitan. [/QUOTE]
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Apple Computing Products:
macOS - Notebook Hardware
"Cleaning" a MBP
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