

If the name of your Broadcom driver matches k57nd60a.sys or k57nd60x.sys, to resolve your problem: Please post the make and model of your PC, along with the driver file name, and the Driver Date and Driver Version listed in the Driver tab, along with an explanation of the symptom you are experiencing. My guess would be a faulty or damaged lan cable the same thing happened to me but it was connecting at 10 Mbps, I replaced it with another cat5E and the connection went to 1 Gbps.
BROADCOM NETLINK GIGABIT ETHERNET DRIVER TOP SPEED MANUAL
If it does not match these file names, the proposed workaround is not likely to resolve your issue. The huawei HG8245 is capable of 1 Gbps connections the manual states that it is autosense 10/100/1000 Mbps. Under Driver files, if the path listed ends with either k57nd60a.sys or k57nd60x.sys, or a variant of this file name, then please continue with the solution provided below.In the Driver tab, click Driver Details.Open the Advanced tab and in the Property list, look for Speed & Duplex, and when you highlight it, you'll get a drop down on the right where you can set the value to either Auto Negotiate, 100 / 1000 full or half etc. Expand Network adapters, right-click your Broadcom adapter, and select Right click the NIC, select Properties and at the top, click Configure.Expand Network adapters, right-click your Broadcom adapter. To check if you have one of these drivers: Right-click the Start icon and select Device Manager. There is a solution, listed below, but it is specific to two particular Broadcom Netlink drivers.


To check if you have one of these drivers: Some Broadcom Netlink Gigabit Ethernet adapters may lose connectivity in Windows 10.
