Hi DeltaMac that did it thank you! My wireless keyboard is a Mac one but I used a USB pc keyboard and now all the boot commands work. The wireless keyboard has worked fine in the past...how annoying. I can now access the startup menu and recovery HD etc. However when I go to System...
Thanks Cheryl but nope doesn't work either! The USB (which I created using the installer from the App Store and createinstallmedia) is in the USB at the back of the mac yet is not showing as a startup disk in system preferences, same as the Recovery HD. Yet the USB is mounted on the desktop and...
Hi Cheryl thanks for the reply. It is a wireless keyboard but they are new batteries...this has me totally stumped. I've rinsed the internet for information on this but to no avail. I'll happily reinstall OSX but I need to be able to boot from the El Cap install USB but can't find a way to make...
My iMac (21.5-inch, Late 2009) running OS X 10.11.5 will not start up in Recovery Mode, Safe Mode or any other mode using keyboard commands on restart. Nor can I reset the PRAM etc. The Recovery HD is there (disk0s3 650mb) but it does not show in System Preference>StartUp Disk. I figured I'd...