>> Even if you have just one powered or unpowered drive attached via USB the system
>> will not boot?
Correct, Kevin. Something Is Adrift, clearly. The boot disc is an internal SSD, and C: is the only one with a boot partition. The others have no boot partitions that I have set up, nor does Disk Management show any other than the data partitions on them. The bios is set to boot from the correct drive (with the CD/DVD drive as first choice).
Device manager doesn't show anything wrong with the USB bits (as far as Windows is concerned anyway), with or without drives attached.
Thanks for the idea about a BIOS update, Zero - it's an ancient Shuttle PC, and there is no BIOS update later than I have.
I'll work through Smokie's suggestions where I haven't already done so next time I need to reboot, try to whittle it down a bit. Thanks for those.
Well, as nobody has said to my original idea, yes, buy a LingLong Special USB Hub for £95.50, I've saved £95.50, so thanks for that at least.
Last edited by: Crankcase on Tue 18 Jan 22 at 09:00
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