Smart card not showing in device manager. I don't know when, but a smart card reader and smart card (CAC) that historically worked fine no longer works. A "Alcor Micro Smart Card Reader Drive" is installed. It’s missing! While you are wondering what’s next and how to connect your printer, there’s not much to worry, because Windows offers a way to get back your missing device easily. Nov 16, 2024 · Select “View” > "Show hidden devices" in Device Manager to see if the card can be displayed. It lists some possible solutions to this issue. Everything works fine on desktop but not on laptop. 9. Jan 30, 2024 · When finding your SD card not showing up in Device Manager, you can focus on this post. Mar 7, 2025 · Click Device Manager, scroll down to Smart card readers, select the little triangle next to it to open it up. Note the YubiKey 4/5 and YubiKey NEO have different hardware IDs. jwnr l4facab dog08 q3fmpzd b7 c6by bymh lb bfm1w tu97gvw25