usb problems

[Android Question]

i have a samsung galaxy s3 and my usb charger cable that i put into my pc to get files is coming up device unknown but my phone is charging - do u know what i can do.

 

[Rukbat]

Use the cable that came with the phone. Not all USB charger cables have data wires.

 

[bkttk2]

i have a samsung galaxy s3 and my usb charger cable that i put into my pc to get files is coming up device unknown but my phone is charging - do u know what i can do.

Ensure you have the latest Samsung drivers installed along with the correct USB cord. This should help.