I just followed a neat youtube video detailing this, and was able to connect my laptop to the internet while I sorted out the rest of my problem. USB Cable not working Install or update required device drivers Through Troubleshooter (Windows) Enabling File Transfers on an android smartphone Install.
ANDROID FILE TRANSFER NO ANDROID DEVICE FOUND MAC HOW TO
What I also discovered during this process was how to set the phone up as a wi-fi hotspot. I was also able to select USB tethering from phone settings to allow connection to the internet, which is what kicked this all off in the first place.
I double clicked My Computer, and opened Phone to display media. Then, I was able to select Use as Media Device from the phone notificaton menu. After trying all the phone and device manager settings from debugging to reinstalling and updating drivers, this is what worked: trying a new USB cable. I had read some posts that had suggested this. Despite being able to charge the phone, it was not being recognised as a mass storage device nor offering me an option on the phone as to what I would like it to connect to the PC as, until I changed my USB cable. That was with main before updating to new android. Mac computer (10.7 and higher) Download and install Android File Transfer on your computer. Finder > Applications > Android File Transfer > double-click it > Get started and hit Allow on your samsung device. It's obvious that W7 should have recognized it even if Kies software were not installed. There were messages saying the USB device as malfunctioning. Before updating my Galaxy S III to Android 4.3, didn't have any problem with Windows 7.
The drivers were not installing properly.
I had a similar problem connecting my Galaxy S3.