How to Connect a MicroSD Card to a USB Port

Written by elvis michael
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How to Connect a MicroSD Card to a USB Port
Connecting a MicroSD to a USB port (secure digital card image by leafy from

MicroSD cards are a form of removable storage commonly used in portable devices, such as media players, digital cameras and cell phones. MicroSD cards hold data for immediate or later use in such devices. A popular way to move content to this type of flash memory is by attaching it to a computer USB port. However, a MicroSD card cannot fit into such a port on its own. Thankfully, there are standard methods in which you can get a computer USB port to detect and recognise MicroSD cards.

Skill level:
Moderately Easy

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Things you need

  • SD Reader
  • MicroSD-Compliant device
  • USB cable

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    Standard Method

  1. 1

    Purchase a USB SD Reader. To connect a MicroSD card to a USB port, an SD Reader should act as a "middleman" between the MicroSD card and your USB port. These can be purchased both online or at your local retailer.

  2. 2

    Insert your MicroSD card to the USB SD Reader. These devices have an empty pocket large enough to fit your MicroSD card into. Ensure that it is securely inserted for effective detection.

  3. 3

    Connect your USB SD Reader to an available USB port. For your computer to properly recognise your memory storage unit, make sure you plug it into your SD Reader prior to attaching it into the computer USB port. As a form of memory storage, your operating system will recognise both the SD Reader and the MicroSD card automatically without the need for device drivers to be manually installed.

  4. 4

    Format your MicroSD card. When connecting your MicroSD card to the USB port for the first time, your operating system needs to assign it a File System to read it successfully. That is, even though your computer will detect your card, you are unable to actually move any data into it. Thus, format your card by choosing the appropriate option within your system's main control panel or device manager.

    Alternative Method

  1. 1

    Insert your MicroSD card into an SD-compliant device. If you own a MicroSD-compliant digital camera or portable media player, for example, look for a MicroSD slot where you can plug it into.

  2. 2

    Connect your portable device through a USB cable. Such cables are commonly used to read portable devices that make use of a computer for file transfer purposes.

  3. 3

    Format your MicroSD card. For successful detection, the removable storage needs to be properly formatted for your system to recognise it. Once finished, your system will immediately detect and read your MicroSD card.

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