Check the tiny "Lock" switch on the side of the SD card. If it's pushed down, the card may not mount properly on some systems.
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
Right-click your card reader (common names: Realtek, Alcor, BayHub, or O2Micro). Select > Search automatically for drivers . Check the tiny "Lock" switch on the side of the SD card
Right-click Start > Disk Management . If you see the card there but no drive letter (like E: or F:), right-click the partition and select "Change Drive Letter and Paths" to assign one. Go to Settings > Update & Security >
If you have a laptop (Dell, HP, Lenovo, etc.), go to their support site, enter your model number, and download the "Card Reader" or "Chipset" driver. 3. Common Troubleshooting Tips If the driver is updated but the card still won't show up:
If you are looking for an SDHC (Secure Digital High Capacity) driver, it is usually because your computer isn't recognizing a card between 4GB and 32GB.
If you are using a very old computer (pre-2008), the internal reader might only support standard SD cards (up to 2GB). In this case, no driver can fix it; you will need a cheap USB SDHC/SDXC Adapter . 4. Direct Download Links (Common Hardware)