If your card reader is PNY manufacture, what USB supply are you using. I had similar problem and this was solved via PNY help support, by installing self-powered USB hub.
This thread is now locked and can not be replied to.
Samsung Galaxy Book 2: Release date, price and specs
Adobe's groundbreaking prototypes of new features and apps for Creative Cloud
When is the next Apple event?
Test : le Samsung Galaxy A9
© Copyright 2018 IDG UK. All Rights Reserved.