Sandisk Usb Driver !!better!!
If it works there, your PC's USB stack is the problem. If it doesn't, the drive is likely faulty (or needs a simple format).
Old driver files can block new connections. Use the free tool by NirSoft to clear them safely. Download and run USBDeview as Administrator. sandisk usb driver
Android devices use the USB On-The-Go (OTG) protocol. If it works there, your PC's USB stack is the problem
The motherboard USB ports lack software updates. If it works there
Unplug and replug the drive to trigger a clean driver installation. Optimizing SanDisk USB Performance