Thanks, I hadn't actually tried to use the boot drive to reinstall, just booted the drive up as test when I discovered the bluetooth keyboard/mouse issue. Or less if I can find a decent photo workflow in Linux. UPDATE: it looks like I will be running El Capitan for another year. *Max CPU they had at the time (first i7 they put in an imac), max RAM, SSD, and a GPU from the next years version *sigh* I am now making another flash drive installer from my old 12" Macbook Air to see if that works. i wiped the drive (again), told it to install to it (again), and let it go (again). After fighting with it a while, I plugged in a cheap mouse I had lying around and it moved on. After a while, it rebooted, took a while, and eventually gave me the 'trying to find bluetooth mouse' screen. I booted into it, reformatted my SSD (APFS, case sensitive) and let the installer go. Today I backed up all my data and attempted installing High Sierra from a flash drive I made (I've done this many times before) to my main system (late 09 iMac with beyond maxed out hardware*). I was wondering if anyone else had tried to create an install USB, and if they had the same issues with bluetooth keyboard/trackpad as me? I wonder if it is because I am using bluetooth 2.1 rather than the bluetooth 4.0 that is in new iMacs? It looks like the only time the computer forgot it's keyboard/trackpad (and would not find them) is if I use the USB install drive I created. When I rebooted into my external SSD thunderbolt drive with High Sierra, there was no issues recognizing the keyboard or trackpad.Īs an additional test, I then booted into recovery software (Command R upon powering up) and the keyboard/trackpad worked normally there. I didn't actually start the install process as this was just a test to see if I had correctly made the boot USB installer. The only way I was able to proceed with the install process was to hook up a generic USB wired keyboard and mouse.Īnyway, I thought it was odd, and have never had an installer forget my keyboard and trackpad before. The 2011 iMac was not able to find my Apple Wireless Keyboard (2AA version A1314) or my Magic Trackpad 1 (A1339.) Even trying to put the devices into pair mode (holding the power button until the green light flashed) didn't work. The USB booted, and then I ran into a problem. I then booted to the USB drive to check and make sure everything worked. This time I used the app Install Disk Creator: After installing High Sierra today, I made a Flash Drive USB install disk, like I normally have with all the previous macOS releases on my 2011 21.5" iMac.
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