If you know your hardware brand, these are the most common official sources: Realtek Card Reader Drivers Intel Chipset Software
The simplest fix. Go to Settings > Update & Security > Windows Update and click "Check for updates." Device Manager: Right-click the Start button and select Device Manager . Expand Memory technology devices . draiver dlia sdhc skachat
Instead of searching for "SDHC download," you should update the hardware that reads the card: If you know your hardware brand, these are