No external, although it doesn't seem interested in an external boot. I tried with my DiskTools disk but it didn’t work. And now it wants to keep the disk. Even tried a restart and holding down the left mouse button. It made a couple of 'disk drive' sounds but no ejection. Grrrr.
ryck
"What Were Once Vices Are Now Habits" The Doobie Brothers
iMac (Retina 5K, 27", 2020), 3.8 GHz 8 Core Intel Core i7, 8GB RAM, 2667 MHz DDR4
OS Sonoma 14.4.1
Canon Pixma TR 8520 Printer
Epson Perfection V500 Photo Scanner c/w VueScan software
TM on 1TB LaCie USB-C
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