problem with uploading code

hello,

i have an arduino uno r3 board clone and i have a problem with uploading code i want a fast answer please

this is the error i got

"Arduino: 1.6.12 (Windows 7), Board: "Arduino/Genuino Uno"

Sketch uses 928 bytes (2%) of program storage space. Maximum is 32,256 bytes.
Global variables use 9 bytes (0%) of dynamic memory, leaving 2,039 bytes for local variables. Maximum is 2,048 bytes.
An error occurred while uploading the sketch"

Try the Loopback test, you may need a driver for your USB/Serial chip.