Type chkdsk n: /f in the command prompt.“n” refers the drive letter of your SD card. If you still failed, you can try CHKDSDK.exe to check whether there are errors on the SD card. It is easy to use, if you can’t do it successfully, try to run command prompt as administrator. When completed, type new label and press Enter. In the command prompt, type format f:, here“f” is the drive letter which you want to format. To format unformattable SD card, memory card or pen drive using CMD, here you can follw the steps below:Ģ. Method 1: Format unformattable SD card using CMD You can choose to use CMD, or use the third party software AOMEI Partition Assistant to do it easier. Here we provides you two methods to format unformattable SD card in Windows 10/8/7. How to format unformattable SD card in Windows? There are some errors caused it unreadable, corrupted, damaged, etc.įortunately, you can learn how to format an unformattable SD card, pen drive, memory card, USB drive, etc. When you use it at the first time, it will be asked to format it before using. It is a brand new SD card and it is unformatted.

When you plug in the SD card to your computer, you may be reminded that“the SD card needs to be formatted”. You may meet a lot of problems when you use an SD card.

“My SD card says it needs to be formatted”

Unformat sd card