What are you attempting to create. In Mojave and Catalina, you have to boot from the Recovery HD and use Security utility to make it so you can boot from external drives.
Take Care John D. Panarese Director Mac for the Blind Tel, (631) 724-4479 Email, j...@macfortheblind.com Website, http://www.macfortheblind.com APPLE CERTIFIED SUPPORT PROFESSIONAL and Trainer AUTHORIZED APPLE STORE BUSINESS AFFILIATE MAC and iOS VOICEOVER TRAINING AND SUPPORT > On Dec 20, 2019, at 6:43 AM, Greg Wocher <gwoc...@gwocher.com> wrote: > > Hello, > I did try using the terminal last night and still no go. The process seems to > finish okay but the USB drive still does not show up in the startup disk > section of system preferences. Even when I unlock it so I can make changes > there is only one option and that is the hard disk. I am using the full Mac > OS catalina installer. Its an 8GB file in my applications folder. I did go > into recovery mode but I did not see anything that would enable me to boot > from a USB drive. I think that might be a thing you can do with Macs that > have the T2 chips only. > > Greg Wocher > > >> On Dec 19, 2019, at 7:33 PM, 'E.T.' via MacVisionaries >> <macvisionaries@googlegroups.com> wrote: >> >> Easier? Maybe? I have used the app many times and it has never failed. >> Matter of fact I retrieved the latest package from the app store when >> 10.15.2 was released and I just created a new USB installer with it using >> the app. And it shows up in startup. So I do not think the terminal would >> fare any better. >> >> From E.T.'s Keyboard... >> ancient.ali...@icloud.com >> Many believe that we have been visited >> in the past. What if it were true? >> >> On 12/19/2019 3:32 PM, Simon A Fogarty wrote: >>> Hi greg, >>> If the USb flash drive doesn't have a bootable package on it >>> Then no you wont see it in start up disks as there is nothing on the USB >>> device to start up from. >>> If you have the bootable Catalina installer the full package then it would >>> be easier by far to create the installation media from the terminal command >>> line. >>> -----Original Message----- >>> From: macvisionaries@googlegroups.com <macvisionaries@googlegroups.com> On >>> Behalf Of Greg Wocher >>> Sent: Friday, 20 December 2019 8:01 AM >>> To: macvisionaries@googlegroups.com >>> Subject: Re: Problems trying to create bootable USB Drive >>> Hello, >>> Well I downloaded install disk creator and it does have a much better >>> interface than disk maker X. When I used it, it appeared to have worked. >>> However when I go into system preferences/startup disk the flash drive is >>> not listed. No matter what I do I cannot get this to work. I have a new >>> flash drive on order from amazon that comes tomorrow. Both of the ones I >>> have are older ones. They are USB 2.0 and 16GB. The new one is USB 3.1 and >>> is 32GB. Anything else I can try while waiting on the new flash drive? Also >>> if I do a restart and hold option down is there a way for me to tell if it >>> did use the USB drive to boot? >>> Thanks, >>> Greg Wocher >>>> On Dec 19, 2019, at 11:05 AM, 'E.T.' via MacVisionaries >>>> <macvisionaries@googlegroups.com> wrote: >>>> >>>> I would suggest this app, Install Disk Creator insteaa of DiskMaker X. I >>>> had trouble with that one so threw it out. Also, you need at least a 16gig >>>> stick. >>>> >>>> From E.T.'s Keyboard... >>>> ancient.ali...@icloud.com >>>> Many believe that we have been visited in the past. What if it were >>>> true? >>>> >>>> On 12/19/2019 7:16 AM, Greg Wocher wrote: >>>>> Hello all, >>>>> I have been trying for the last several days to create a bootable USB >>>>> drive so I can do a clean install on my mac. I am using a 2015 MacBook >>>>> air that I bought in 2016. It is running the latest version of Catalina. >>>>> I am using a program called Disk Maker X to create the USB drive. I have >>>>> used two different flash drives I own. After completing the process, >>>>> neither flash drives are recognized as start up disks. I am not sure what >>>>> I am doing wrong. Anyone have any advice on what I can try so I can get a >>>>> bootable USB drive? >>>>> Thanks, >>>>> Greg Wocher >>>> >>>> -- >>>> The following information is important for all members of the Mac >>>> Visionaries list. >>>> >>>> If you have any questions or concerns about the running of this list, or >>>> if you feel that a member's post is inappropriate, please contact the >>>> owners or moderators directly rather than posting on the list itself. >>>> >>>> Your Mac Visionaries list moderator is Mark Taylor. You can reach >>>> mark at: mk...@ucla.edu and your owner is Cara Quinn - you can reach >>>> Cara at caraqu...@caraquinn.com >>>> >>>> The archives for this list can be searched at: >>>> http://www.mail-archive.com/macvisionaries@googlegroups.com/ >>>> --- You received this message because you are subscribed to the Google >>>> Groups "MacVisionaries" group. >>>> To unsubscribe from this group and stop receiving emails from it, send an >>>> email to macvisionaries+unsubscr...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/macvisionaries/b951278a-6294-4e2b-0908-6ae85e47eb4f%40icloud.com. >>> -- >>> The following information is important for all members of the Mac >>> Visionaries list. >>> If you have any questions or concerns about the running of this list, or if >>> you feel that a member's post is inappropriate, please contact the owners >>> or moderators directly rather than posting on the list itself. >>> Your Mac Visionaries list moderator is Mark Taylor. You can reach mark at: >>> mk...@ucla.edu and your owner is Cara Quinn - you can reach Cara at >>> caraqu...@caraquinn.com >>> The archives for this list can be searched at: >>> http://www.mail-archive.com/macvisionaries@googlegroups.com/ >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "MacVisionaries" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to macvisionaries+unsubscr...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/macvisionaries/75A7A22C-97E9-4521-BD33-F78A857CB94C%40gwocher.com. >> >> -- >> The following information is important for all members of the Mac >> Visionaries list. >> >> If you have any questions or concerns about the running of this list, or if >> you feel that a member's post is inappropriate, please contact the owners or >> moderators directly rather than posting on the list itself. >> >> Your Mac Visionaries list moderator is Mark Taylor. You can reach mark at: >> mk...@ucla.edu and your owner is Cara Quinn - you can reach Cara at >> caraqu...@caraquinn.com >> >> The archives for this list can be searched at: >> http://www.mail-archive.com/macvisionaries@googlegroups.com/ >> --- You received this message because you are subscribed to the Google >> Groups "MacVisionaries" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to macvisionaries+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/macvisionaries/34c681f2-fcaa-142e-0a59-d2e4616bf5e8%40icloud.com. > > -- > The following information is important for all members of the Mac Visionaries > list. > > If you have any questions or concerns about the running of this list, or if > you feel that a member's post is inappropriate, please contact the owners or > moderators directly rather than posting on the list itself. > > Your Mac Visionaries list moderator is Mark Taylor. You can reach mark at: > mk...@ucla.edu and your owner is Cara Quinn - you can reach Cara at > caraqu...@caraquinn.com > > The archives for this list can be searched at: > http://www.mail-archive.com/macvisionaries@googlegroups.com/ > --- > You received this message because you are subscribed to the Google Groups > "MacVisionaries" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to macvisionaries+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/macvisionaries/588D2754-2166-4107-873A-445712ED0575%40gwocher.com. -- The following information is important for all members of the Mac Visionaries list. If you have any questions or concerns about the running of this list, or if you feel that a member's post is inappropriate, please contact the owners or moderators directly rather than posting on the list itself. Your Mac Visionaries list moderator is Mark Taylor. You can reach mark at: mk...@ucla.edu and your owner is Cara Quinn - you can reach Cara at caraqu...@caraquinn.com The archives for this list can be searched at: http://www.mail-archive.com/macvisionaries@googlegroups.com/ --- You received this message because you are subscribed to the Google Groups "MacVisionaries" group. To unsubscribe from this group and stop receiving emails from it, send an email to macvisionaries+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/macvisionaries/BEE5E139-3F67-4C81-8869-4CC1762A90DB%40gmail.com.
