How to Solve the Problem USB Drive Greyed Out in Windows 10/8/7?

Many users met the problem that their USB drive greyed out in Windows 10/8/7 when they plug it into the computer. Why did it happen? How to solve it?

Fixed: USB Detected But Not Accessible Issue in Windows 11, 10, 8, 7

Extend Volume Greyed Out? Fix Can't Extend Volume in Windows [2021New]

Quick fix - Drive is not accessible access is denied in Windows 10/8/7 - EaseUS

Fixed: External Hard Drive Not Showing Up in Windows 11

PCIe USB 3.2/3.1 Gen 2 Card USB 7-Ports (2X USB C - 5 USB A)

How to Solve New Simple Volume Greyed out?

USB Powered Gadgets and more.. Greyed Out USB Flash Drive (help) - USB Powered Gadgets and more..

External Hard Drive not showing up or detected in Windows 11/10

Solved: System Restore Greyed Out in Windows 10

How to Fix USB Device Not Recognized Windows 10/11?

ORIGBELIE External CD DVD Drive, Ultra Slim CD Burner USB 3.0 with 4 USB Ports and 2 TF/SD Card Slots, Optical Disk Drive for Laptop Mac, PC Windows 11/10/8/7 Linux OS : Electronics