Hi,Ronni, Thank you very much for the information. Unfortunately, it didn’t work. The same black screen with just a white Apple is all that is visible.
I read all the rest of the support information, and I think the only option is to take it in to a repair shop and hope for the best. Again, many thanks, Pat > On 15 Aug 2019, at 6:37 am, Ronni Brown <ro...@mac.com> wrote: > > Hello Pat, > > You could try: > Shut down your Mac, then turn it on and immediately press and hold these four > keys together: Option, Command, P, and R. > You can release the keys after about 20 seconds, during which your Mac might > appear to restart. > > https://support.apple.com/en-us/HT204063 > > Kind Regards, > Ronni > > Ronni Brown’s iPad Pro 12.9-inch 256GB > > >> On 14 Aug 2019, at 3:56 pm, Patricia Scott <clamsh...@iinet.net.au> wrote: >> >> I have a Wacom pen tablet. Yesterday a message came up on the computer that >> the firmware for the tablet needed to be updated because in the new Mojave >> update >> Apple neglected to classify Wacom as safe software, and it was necessary for >> users to modify items in the Security Preferences panel. >> >> So I read the instructions and followed them (I thought). >> Unfortunately, I think I omitted a step and then tried boot the computer. >> The result was that the monitor now shows only the white Apple and the >> stalled progress bar. >> >> I did a Safe boot, but it didn’t work. >> >> I hope the really savvy members might know how this can be remedied. >> >> Pat >> -- The WA Macintosh User Group Mailing List -- >> Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> >> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> >> Settings & Unsubscribe - >> <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug> > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> > Settings & Unsubscribe - > <http://lists.wamug.org.au/listinfo/wamug.org.au-wamug>
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