VirtualBox Vista(Guest) network driver sorunu

cd ~/install_files
wget http://www.amd.com/us-en/assets/content_type/utilities/V4.51.zip
unzip V4.51.zip -d driver
mkisofs -o driver.iso -R -J driver

iso dosyasını  VirtualBox a mount ettikten sonra

Control Panel > Hardware and Sound > Device Manager. Sağ klik
Ethernet Controller > Update Driver Software

diyerek yükleyebilirsiniz...