There are several possible reasons why wireless Internet connections keep on disconnecting and these include problems with the wireless card on a computer or the wireless access point, improper configurations, or corrupt or outdated drivers. Interference with a 2.4 GHz wireless telephone sets or with other networks can also cause a Wi-Fi Internet connection to drop. Depending on the problem, the issue may be resolved by troubleshooting or it may require a more complex solution.
There are several ways to troubleshoot a wireless connection. that frequently disconnects. One probable solution would be to tweak and change the values in the power management settings. Setting the network connections to connect only to preferred networks may also help solve the problem. Other solutions may include turning off Bluetooth on the wireless card, reinstalling the wireless card drivers and resetting the wireless mode values in the network adapters section.