Hi, my USB drive shows 0 bytes today, I have stored many photos there that I cannot lose, how to fix my USB flash Drive , please can you help me? The above question isn't unique but was always asked from our customers, you can even find many people asked same in Microsoft community forum about how fix Pen drive/USB flash drive/SD Card shows 0 bytes error. 3 methods to fix Pen drive/USB Flash Drive/SD Card shows 0 Bytes error. 1. You can connect the USB flash drive to other computer and find out does the USB flash still shows 0 Bytes there or not. If it still shows 0 bytes, you can follow next method to fix the error. 2. Right click Start Menu in the left-bottom of your desktop, run Command Prompt (Admin), type: attrib -h -r -s /s /d H:\*.* , Tips : Change H to other drive letter of your USB flash drive. 3. Recover data from USB flash drive shows 0 Bytes with Bitwar Data Recovery . How to recover data with Bitwar Data Recovery Step one. Downl...