The device is a Realtek USB 2.0 Card Reader. It allows your computer to read SD, microSD, and MMC cards. Upgrading to Windows 11 can sometimes cause this hardware to stop working due to outdated or missing drivers.
The appearance of a device with a yellow exclamation mark in your Windows 11 Device Manager typically indicates a missing or corrupt driver for your computer's built-in Realtek Card Reader . While Windows 11 often installs these drivers automatically, certain hardware configurations require manual intervention to restore functionality to your SD or microSD card slots. What is the USB2.0-CRW Driver? usb20crw+driver+windows+11+top
: Windows 11 may fail to assign a generic driver during setup. The device is a Realtek USB 2
For most modern laptops, this component is part of the or USB 2.0 Card Reader chipset. Downloading the latest version directly from your PC manufacturer's site is the most reliable way to ensure stability on Windows 11. The appearance of a device with a yellow
If the driver is corrupted, letting Windows reinstall it upon reboot often works: In Device Manager, right-click the device. Select Uninstall device .
Microsoft packages many legacy hardware fixes inside its optional driver repository. You can trigger this targeted search through standard configuration panels: Press Windows Key + I to launch the menu. Select Windows Update from the left-hand sidebar.
Windows 11 often has the required Realtek drivers listed under "Optional Updates." Open > Windows Update . Click Check for updates . Select Advanced options > Optional updates .