Usb devices not showing in explorer

Hardware
#1

In the last week or so I’ve been plugging in usb devices and they haven’t been showing up in explorer.

I think its since a major w10 update.

My phone, kindle fire and external usb hard drive now no longer show up and they were fine until recently.

I tried a different socket.
The kindle make a noise as though it knows its been connected (that might just be power though.)
My wireless usb mouse still works ok.
I tried shutting down, removing power and battery, holding down the power switch for 40 secs and then starting everything back up but devices still dont show. I tried this yesterday with my external hard drive and it did work but its gone again today.

After some googling i have unchecked the fast startup option that disables USBs and in device manager I have gone to USB controllers/usb root hub/properties/power management and unchecked the ‘allow computer to turn off device etc’ option and then did a full restart.

Still no joy.

Getting very frustrated. Please help!

#2

Can you provide more detail on the system hardware spec please or if it is one of our systems what the model number is.

#3

Where do I find the model number coops?

#4

This will depend on the age of the system, however it will either be on the Rear of the system on a white sticker or on the side of the system if its a recent PC Tower. If its a laptop it will always be on the bottom of the unit.

#5

Thanks:
model code: NNB-B97
part code: NNB-X07073
S/N: 7428829-01

#6

Hold your horses. The one thing I didn’t try was another cable - and it was the cable.

What it doesn’t explain is the problem I had the other day but lets draw a line under this for now and if I get another problem I’ll post again.
Thanks for your help.

#7

OK - it has happened again. The dodgy cable was a red herring and just affected my kindles. A new cable fixed that.

The original problem has reoccurred with the same usb external hard drive as before. I plug it and nothing happens (as if it hasn’t been plugged in). When I check in device manager under usb attached scsi (uas) mass storage device. I get the comment ‘Windows cannot load the device driver for this hardware because a previous instance of the device driver is still in memory. (Code 38)’

It’s a usb 3 toshiba 2.5" hard drive.

What cured it was a shut down, battery and power pull and holding in the power switch for 40 secs. On power back up it works again.

I can’t do all that every time I plug it in!

Is there a more permanent cure?

#8

update - I just did the reset procedure and it didn’t work. I also tried a usb memory stick - a sandisk cruser and that didn’t appear either.