This guide assumes "AU87101A" is a USB flash drive or USB controller model experiencing a UFDISK full (drive shows full or cannot be written to). Steps cover diagnosing, recovering data, repairing filesystem or controller issues, and securely reformatting. Follow in order until resolved. Back up data when possible before destructive steps.
. Every bit of data currently on the drive will be permanently erased. Fake Capacity: au87101a ufdisk full
Download: Search for "Alcor Micro MP Tool" or "uFDisk" versions compatible with the AU8710xx series. Configuration: Insert the USB drive. Run the tool as Administrator. AU87101A UFDISK Full — Recovery & Repair Guide
Read-Only Locking: Can set the drive to a permanent "Write Protected" state to prevent accidental data deletion or virus infection. The NAND Flash Memory: Where your data is actually stored
In this state, you cannot simply drag and drop files. Standard formatting tools (like Windows File Explorer) will fail, often returning the message: "Windows was unable to complete the format."
Diskpart Command: Use the attributes disk clear readonly command in the Windows Command Prompt.
logrotate -f /etc/logrotate.conf
df -h /ufdisk
If your drive is failing, follow these steps to use the correct tools. 1. Identify the Controller