SD cards are flash memory storage devices commonly used in digital cameras, digital recorders, gaming devices and cell phones.
A card reader is the easiest way to interface with your SD cards. Card readers are inexpensive and come in two varieties: internal and external. Internal card readers are designed for desktop computers; external card readers can be used for laptop or desktop computers.
Card readers are advertised as "52-in-1" or "20-in-1," references to the number of card formats the reader supports. The number isn't important as long as your card type is supported. Common card types include SD, mini-SD, MMC, Sony's Memory Stick and Compact Flash (CF).
Digital cameras often come with a USB or similar cable. Some devices will allow you to read the card as a drive simply by connecting your device. If your computer has a card reader or can read the card as a drive by connecting your device, you don't need a card reader.
Instructions
1. Create a folder on your desktop called 'card' or something similar. This temporary folder will hold everything you want to copy from your computer onto your card. It's easiest to transfer files from one folder than to pick up photos from your across computer.
2. Locate the files you want to transfer to your SD card and copy them to the temporary folder you placed on your desktop.
3. Plug in your card reader, if it's external, and insert your card into the correct slot.
4. Your card will mount as a drive on your computer. On a Mac, the drive will appear mounted in your Finder window (see Resources). On a PC, go to My Computer and locate the new drive. Your card could be named "Untitled" or a series of numbers or letters or the manufacturer's name.
5. Open the drive and browse its contents to make sure your files copied successfully.
6. Drag the photo folder from your desktop onto the drive. A dialog box will open showing the transfer status. When the transfer is complete, eject the drive by clicking the logo next to it (Mac), or right clicking and selecting "Eject DRIVENAME." You can also drag the disk to the trash to eject.
7. Delete the temporary folder from your desktop.
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