USB Smart Card (CCID) Driver updated to version 6.1.7600.42 USB card reader driver for Win98/2K updated to version V100617 ...

Steam Deck is a PC, and other applications and OSes can be installed. If you're installing Windows, you will need a few additional drivers to have the best experience. Links to these, along with notes ...

If your SD Card is not detected in the Device Manager, then this post will help you. This issue can occur due to hardware issues, outdated or corrupted drivers, faulty SD Card, faulty SD Card reader, ...