This would ensure that the connections you make to GTMO.NET are sustainable. Obtain the latest firmware for your modem. Firmware is operating system software for your modem. This may help alleviate disconnection at high rates because newer firmware can handle line noise better. Again, these are just a few items that may be causing you some trouble.
Most issues related to the Internet are configuration problems, and are usually fixed easily.
There are circumstances however, that would require you to call the technical support department of your computer manufacturer to handle. Please remember that GTMO.NET is not responsible for hardware related issues although we will help you locate the manufacturer of your malfunctioning component if needed. Thank you for your time.