USB devices or USB external hard drives are repeatedly unrecognized, check for and troubleshooting

#USB recognition problem #external hard drive
Poor connection status for various USB devices,
Introducing how to clean the USB connection and how to check the incomplete USB external hard drive recognition and how to solve it.

[@길벗-q2s]

좋은 정보 덕에 해결 했습니다 감사합니다

[@ITguy723]

해결되셨다니,, 다행입니다 ..