1. After confirming that the USB flash drive is not affected by external factors, format the USB flash drive, and then use a professional hard disk partitioning tool (such as Disk Genius partition tool) to partition the USB flash drive. If the USB flash drive is exposed to water or dropped, the situation of "Please insert the disk into drive H:." may appear!
2. After formatting the USB disk, if the USB disk still cannot be opened, then we need to find out the reason step by step. First, insert the USB flash drive into the usb view point of the computer (it is recommended to insert it into the usb socket on the back of the host). If the indicator light of the USB flash drive does not flash, it means it is the cause of the USB flash drive itself; if the indicator light of the USB flash drive flashes, open "My Computer (Computer)" to see if there is a "removable disk", if not, The explanation is caused by the poor connection of the computer's USB socket. Try another usb.