$1.$ find out whether a new version of the kernel is avilable. if so$,$ install it and reboot your computer so that it is used.

$2.$ use appropraite command to show recent events that have been logged by the kernel

$3.$ locate the kernel model that is used by your network card. find out whether it has options. try loading one of these kernel module options; if that succeeds, take the required measures to load this option persistently