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Apple Computing Products:
macOS - Operating System
Best app for speeding up iMac
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<blockquote data-quote="Alwyn" data-source="post: 1937855" data-attributes="member: 153944"><p>I have read your solution web page several times but have so far failed to speed up my iMac. The first question relates to whether the HDD was formatted as HFS+ or APFS. I can't remember what the original OS was. I think it's a 2017 iMac and this is the picture on the outside of then original box. I'm pretty sure it is post High Sierra, so Mojave. Mike Bombich has kindly helped me to set up an external SanDisk Extreme 1TB SSD to use instead of the internal HDD. My attempt with a Legacy Bootable Backup failed but after erasing it several times I did a standard backup then installed macOS Ventura 13.6.1 and it works. It has been suggested to me that erasing an SSD is not as effective as erasing a HDD. Is that true?</p><p></p><p>Since the performance of my iMac conforms with all the indications relating to APFS that you describe I could try erasing the HDD, formatting it to HFS+ then restoring from my external SSD. I don't fancy trying to replace the internal HDD with an SSD myself but could get it done at a reasonable price if I'm prepared to do without my iMac for a week to 10 days.</p><p></p><p></p><p> [ATTACH=full]38851[/ATTACH]</p></blockquote><p></p>
[QUOTE="Alwyn, post: 1937855, member: 153944"] I have read your solution web page several times but have so far failed to speed up my iMac. The first question relates to whether the HDD was formatted as HFS+ or APFS. I can't remember what the original OS was. I think it's a 2017 iMac and this is the picture on the outside of then original box. I'm pretty sure it is post High Sierra, so Mojave. Mike Bombich has kindly helped me to set up an external SanDisk Extreme 1TB SSD to use instead of the internal HDD. My attempt with a Legacy Bootable Backup failed but after erasing it several times I did a standard backup then installed macOS Ventura 13.6.1 and it works. It has been suggested to me that erasing an SSD is not as effective as erasing a HDD. Is that true? Since the performance of my iMac conforms with all the indications relating to APFS that you describe I could try erasing the HDD, formatting it to HFS+ then restoring from my external SSD. I don't fancy trying to replace the internal HDD with an SSD myself but could get it done at a reasonable price if I'm prepared to do without my iMac for a week to 10 days. [ATTACH type="full" alt="tempImage9svjPK.jpg"]38851[/ATTACH] [/QUOTE]
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Apple Computing Products:
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Best app for speeding up iMac
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