Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Not for Mac users

This modem causes nothing but problems with my iBook. I can log on to my ISP, but when I disconnect, the computer continues to show the status as "Disconnecting" forever. The only way to reconnect is to restart the machine. And, on restart, I get a kernel panic every time before the shutdown process properly completes. Bestdata's tech support suggested that I try other modem scripts on the installation CD. I tried all 4 without success.It's possible that the problem was specific to my Mac. If you decide to take a risk and try this product despite my experiences, make sure that you experiment with the product immediately. Amazon won't take it back after 30 days, and although Bestdata offers a warranty, they won't give you a cash refund if you have compatibility problems. I waited too long to try it and got stuck with a lemon.