The OS cuts power to the USB port.

SanDisk does not provide unique driver files for standard USB 2.0, 3.0, or 3.1 flash drives.

"Do not download drivers from third-party websites, as they may contain malware. The official source for SanDisk software, drivers, and firmware updates is the Western Digital Support Site (Western Digital acquired SanDisk). Navigate to the 'Support' section, select 'Downloads,' and filter by your specific product model (e.g., SanDisk Extreme PRO)."

Outdated motherboard controllers cause communication failures with fast USB 3.0 SanDisk drives. Open . Expand Universal Serial Bus controllers . Right-click USB Root Hub (or Extensible Host Controller ). Click Update driver . Choose Search automatically for drivers . Repeat for all listed hubs. Fixing SanDisk Driver Conflicts via Disk Management Sometimes the driver loads, but the storage system fails. Change the SanDisk Drive Letter A hidden drive often lacks a unique letter. Right-click the Start button. Select Disk Management . Locate your SanDisk drive in the bottom list. Right-click the drive partition. Choose Change Drive Letter and Paths . Click Change . Assign a new letter (e.g., M: or X: ). Click OK . Clear Corrupted Registry Keys (Advanced)

Windows stores bad data about the device.