Do you have a USB device with a loose plug?
Might be an idea to have a look round the back and make sure everything is fully plugged in and pushed home.
Not a good idea to cancel the warning without looking inot what's causing it.
Surface Pro (2017) vs Surface Pro 4
Where HTML5 is headed next
MacBook Pro v Surface Pro 5
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.