Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Driver problems with Windows 7

Although another user reported success with Windows 7, I was not so lucky. I had the card working for a bit, but upon restarting the computer, the card was not showing up in my list of ethernet adapters. It still worked but not at gigabit speed. Even when it was showing up in the list, I was not getting gigabit speed. I ended up spending several hours online to find that one must disable IPv6 to get gigabit speed to work. I finally got this changed and thought my problems were solved. Nonetheless, after rebooting my computer a second time, the adapter was again not listed and gigabit speed was lost.