broadband problem

[etones]

ok ive got 1meg broadband but when i connected today it says connected at 512kbps, i phoned my isp and they said that it should be running at 1meg and they did tests to check if the line was working and it shouldnt be at 512kbps, what could be wrong with it.

 

[IronDuke]

Have a look here and see if that is of any help.