You can simply change a current drive letter or assign a new one with reliable partition manager software - EaseUS Partition Master, which you'll find in the fourth solution.įollow to see to change drive letter with EaseUS Partition Master: To resolve this issue, you can manually assign a drive letter to your device. As a result, you may mix it with device corruption. When there is a confliction, your computer will find it difficult to assign an appropriate drive letter to your storage media, without which your SD card will be totally invisible. When there is a driver letter conflict between a local drive and a removable hard drive such as your SD card, USB flash drive, pen drive or external HDD, your removable storage device may become unreadable. As long as the SD card can be normally read and accessed on the other computer, you should turn back to your own PC and check what happened. Try connecting your SD card or other generic removable drives to another computer. Maybe the issue is specifically on your PC. When your SD card starts malfunctioning, it's not 100% likely that it's corrupted.

Step 1: Insert your SD card to your computer with a card reader Step 2: Go to the start menu, type cmd in a search bar. Step 1: Press Win + X keys and click Device Manager Step 2: Expand Disk Drives, right-click on the name. Step 1: Type cmd in the start search box then right-click on cmd and click on 'run as administrator'. Step 1: Find your SD card and right-click the partition you want to format and choose 'Format'. Format Corrupted SD Card with Third-party Formatter Step 1: Press Windows + E to open File Explorer Step 2:Right-click on the corrupted SD card and choose Format. Format Corrupted SD Card in Windows Explorer Step 1: Navigate to Computer/This PC > Manage> Disk Management.

How to format sd card on windows 7