How to Format an SD Card
An SD (Secure Digital) card is a digital storage device that is often used in portable devices, such as digital cameras and cell phones, because of its small size and light weight. Formatting SD cards is usually required to make them compatible with the device that they will be used with. To format an SD card, you’ll need to decide if you wish to complete the process on Windows, Android, or Mac OS X, then follow the steps specific to the operating system you’re using.
Method One of Three:
Format on Windows Edit
Note: Windows cannot format the entirety of the card if it has been partitioned in some way, can only handle the first partition. Also be aware that the FAT32 file system is not the most optimal. For performance reasons the best way is to use the third method and format it directly in your device.
Connect the SD card to your computer. If your computer has an SD card slot you can insert the SD card directly into the port. If you are using a MicroSD card, you will need an adapter to allow it to fit into standard SD card ports.
- If your computer does not have an SD card port built-in, you can use an external USB card reader that plugs into any USB port on your computer.
- You can link a portable device such as your cell phone or digital camera to your computer (also usually done via USB). You can then insert the SD card into the portable device and it will temporarily act as an SD card reader.
Open the Computer window. Click the Start or Windows menu and select Computer (Windows Vista/7) or My Computer (Windows XP). For Windows 8 users, type “computer” and click the Computer icon in the Apps search results.
Find your SD card. The removable drive that appears last in the “Devices with Removable Storage” list should be the SD card that you just connected to your computer. Open the SD card to verify that it is the correct card that you want to format. Return to the Computer screen.
Open the Format tool. Right-click on the SD card and select “Format” from the menu that pops up. This will take you to the Format window. Keep “Capacity” and “Allocation unit size” set to default.
Select the file system. This is the way files are stored on the card. Different systems use different file structures. In order for the SD card to be read by any device, select FAT32 as the file system. This will enable it to be read by cameras, phones, printers, Windows, Mac, and Linux computers, and more.
- Quick Format: Ticking this box formats your SD card quickly without checking the card for hardware errors. If you are formatting SD cards for the first time or suspect that they are malfunctioning you should leave this option un-ticked.
Click the Start button after you have made your selections. Press the OK button in the window that pops up to give your confirmation. After you confirm, your SD card will be formatted and you will end up with a blank memory card that can be inserted in any device that accepts SD cards. (Please note, this process can take over a day to complete the format.)
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