Desktop->My computer-(right click on)->properties->then go HARDWARE tab->Device manager-> now u see a window of Device manager then go to Ports->Communication Port(double click on it and Open). after open u can see a Communication Port properties. go the Port Setting:---- and now increase ur "Bits per second" to 128000. and "Flow control" change 2 Hardware. Apply and ok INCREASE YOUR BANDWITH 20 % Go to RUN. type gpedit.msc go to computer configuration >administrative templetes > network > QoS packet scheduler > Limit reservable Bandwidth enable it. set it to 0 percentage. This settings Determines the percentage of connection bandwidth that the system can reserve. This value limits the combined bandwidth reservations of all programs running on the system. By default, the Packet Scheduler limits the system to 20 percent of the bandwidth of a connection, but you can use this setting to override the default. If you enable this setting, you can use the "Bandwidth limit" box to adjust the amount of bandwidth the system can reserve. If you disable this setting or do not configure it, the system uses the default value of 20 percent of the connection. change it to get speed in your surfing speed .