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Apple Computing Products:
macOS - Operating System
Imac not recognising bootable USB
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<blockquote data-quote="Bagslash" data-source="post: 1338909" data-attributes="member: 227850"><p>Hi, sorry if this question is in the wrong place, I'm having terrific trouble trying to install Snow Leopard. </p><p>I have a blank 16gb USB, I went to Disk Utility, erased, created a GUID partition and then moved onto Restore, I selected the new USB as the Destination and the (mounted) Mac OS X Install.dmg as the Source. I clicked 'restore' and it began 'copying blocks'. This appeared to be successful after about 25 mins.</p><p></p><p>My problem occurs at this point, if I go to Startup Disk the new USB Mac OS X install shows up, if i click it and press restart it simply boots back up in Tiger. If I shut down and restart holding Alt no other option appears than the original Macintosh HD (again booting it up in Tiger). It's as if it cannot see there is a USB there at all, but as I say it does recognise it in Startup Disk. </p><p></p><p>Is there any reason that the iMac wouldn't recognise the USB? The iMac info is:</p><p>Hardware Overview:</p><p></p><p> Model Name: iMac</p><p> Model Identifier: iMac5,1</p><p> Processor Name: Intel Core 2 Duo</p><p> Processor Speed: 2.16 GHz</p><p> Number Of Processors: 1</p><p> Total Number Of Cores: 2</p><p> L2 Cache (per processor): 4 MB</p><p> Memory: 1 GB</p><p> Bus Speed: 667 MHz</p><p> Boot ROM Version: IM51.0090.B09</p><p> SMC Version: 1.9f4</p><p></p><p>(not sure if this helps?). I did speak to an Apple tech support man who said there should be no problems with booting from this method (before I attempted it!).</p><p></p><p>I have been trying now for 3 days and get the same result each time!</p><p></p><p>Can anybody help?</p><p></p><p>Thank you in advance.</p></blockquote><p></p>
[QUOTE="Bagslash, post: 1338909, member: 227850"] Hi, sorry if this question is in the wrong place, I'm having terrific trouble trying to install Snow Leopard. I have a blank 16gb USB, I went to Disk Utility, erased, created a GUID partition and then moved onto Restore, I selected the new USB as the Destination and the (mounted) Mac OS X Install.dmg as the Source. I clicked 'restore' and it began 'copying blocks'. This appeared to be successful after about 25 mins. My problem occurs at this point, if I go to Startup Disk the new USB Mac OS X install shows up, if i click it and press restart it simply boots back up in Tiger. If I shut down and restart holding Alt no other option appears than the original Macintosh HD (again booting it up in Tiger). It's as if it cannot see there is a USB there at all, but as I say it does recognise it in Startup Disk. Is there any reason that the iMac wouldn't recognise the USB? The iMac info is: Hardware Overview: Model Name: iMac Model Identifier: iMac5,1 Processor Name: Intel Core 2 Duo Processor Speed: 2.16 GHz Number Of Processors: 1 Total Number Of Cores: 2 L2 Cache (per processor): 4 MB Memory: 1 GB Bus Speed: 667 MHz Boot ROM Version: IM51.0090.B09 SMC Version: 1.9f4 (not sure if this helps?). I did speak to an Apple tech support man who said there should be no problems with booting from this method (before I attempted it!). I have been trying now for 3 days and get the same result each time! Can anybody help? Thank you in advance. [/QUOTE]
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Apple Computing Products:
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Imac not recognising bootable USB
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