Dell Inspiron 15 (3543) Notebook - USB 2.0-CRW (Card Reader) Windows 8.1 driver (Realtek USB RTS5139/RTS5129/RTS5179 Card Reader Driver)

Realtek USB RTS5139/RTS5129/RTS5179 Card Reader Windows 8.1 Driver

After installing Windows 8.1
Device manager
USB2.0-CRW (yellow exclamation mark)
USB 2.0-CRW (Card Reader) 32 / 64 bit Windows 8.1 driver download link