hello i am hoping someone can help me please my laptop hp elitebook 820 windows 10 is downloading at a very slow speed. I have tried numerous of attempts at fixing from updating drivers to a full windows restore i have had no luck my network adapter is broadcom BCM943228HMB 802.11ABGN 2x2 wireless adapter that supposedly is meant to have 300 mbps however even with ethernet cable connected i reach a speed of 130 kbps i need help so badly please